Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    NCP1450A Search Results

    SF Impression Pixel

    NCP1450A Price and Stock

    Rochester Electronics LLC NCP1450ASN27T1

    SWITCHING CONTROLLER
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey NCP1450ASN27T1 Bulk 27,000 1,268
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.24
    Buy Now

    onsemi NCP1450ASN27T1

    IC REG CTRLR BOOST 5TSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey NCP1450ASN27T1 Reel 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.4137
    Buy Now
    Avnet Americas NCP1450ASN27T1 Reel 4 Weeks 1,527
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.22277
    Buy Now
    Newark NCP1450ASN27T1 Bulk 1,530
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.392
    • 10000 $0.355
    Buy Now
    Rochester Electronics NCP1450ASN27T1 10,768 1
    • 1 $0.2389
    • 10 $0.2389
    • 100 $0.2246
    • 1000 $0.2031
    • 10000 $0.2031
    Buy Now
    ComSIT USA NCP1450ASN27T1 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    onsemi NCP1450ASN30T1

    IC REG CTRLR BOOST 5TSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey NCP1450ASN30T1 Reel 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.4137
    Buy Now

    onsemi NCP1450ASN19T1

    IC REG CTRLR BOOST 5TSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey NCP1450ASN19T1 Reel 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.4137
    Buy Now
    Avnet Americas NCP1450ASN19T1 Reel 4 Weeks 782
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.46051
    • 10000 $0.42214
    Buy Now
    Newark NCP1450ASN19T1 Bulk 790
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.534
    • 10000 $0.419
    Buy Now
    Rochester Electronics NCP1450ASN19T1 2,788 1
    • 1 $0.4664
    • 10 $0.4664
    • 100 $0.4384
    • 1000 $0.3964
    • 10000 $0.3964
    Buy Now

    onsemi NCP1450ASN33T1

    IC REG CTRLR BOOST 5TSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey NCP1450ASN33T1 Reel 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.4137
    Buy Now

    NCP1450A Datasheets (26)

    Part ECAD Model Manufacturer Description Curated Type PDF
    NCP1450A On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450A On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450A-D On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450ASN19T1 On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450ASN19T1 On Semiconductor 1.0 A, 1.9V, 180kHz Boost PWM Switching Controller with Enable; Package: TSOP-5 / SOT23-5; No of Pins: 5; Container: Tape and Reel; Qty per Container: 3000 Original PDF
    NCP1450ASN19T1 On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450ASN19T1G On Semiconductor 1.0 A, 1.9V, 180kHz Boost PWM Switching Controller with Enable Original PDF
    NCP1450ASN27T1 On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450ASN27T1 On Semiconductor 1.0 A, 2.7V, 180kHz Boost PWM Switching Controller with Enable; Package: TSOP-5 / SOT23-5; No of Pins: 5; Container: Tape and Reel; Qty per Container: 3000 Original PDF
    NCP1450ASN27T1 On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450ASN27T1G On Semiconductor 1.0 A, 2.7V, 180kHz Boost PWM Switching Controller with Enable Original PDF
    NCP1450ASN30T1 On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450ASN30T1 On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450ASN30T1 On Semiconductor 1.0 A, 3.0V, 180kHz Boost PWM Switching Controller with Enable; Package: TSOP-5 / SOT23-5; No of Pins: 5; Container: Tape and Reel; Qty per Container: 3000 Original PDF
    NCP1450ASN30T1G On Semiconductor 1.0 A, 3.0V, 180kHz Boost PWM Switching Controller with Enable; Package: TSOP-5 / SOT23-5; No of Pins: 5; Container: Tape and Reel; Qty per Container: 3000 Original PDF
    NCP1450ASN30T1G On Semiconductor 1.0 A, 3.0V, 180kHz Boost PWM Switching Controller with Enable Original PDF
    NCP1450ASN33T1 On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450ASN33T1 On Semiconductor 1.0 A, 3.3V, 180kHz Boost PWM Switching Controller with Enable; Package: TSOP-5 / SOT23-5; No of Pins: 5; Container: Tape and Reel; Qty per Container: 3000 Original PDF
    NCP1450ASN33T1 On Semiconductor PWM Step-up DC-DC Controller Original PDF
    NCP1450ASN33T1G On Semiconductor 1.0 A, 3.3V, 180kHz Boost PWM Switching Controller with Enable; Package: TSOP-5 / SOT23-5; No of Pins: 5; Container: Tape and Reel; Qty per Container: 3000 Original PDF

    NCP1450A Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    5 pin IC marking DAZ

    Abstract: NCP1450ASN50T1 bjt 100 A114 A115 JESD22 NCP1450A NCP1450ASN19T1 NCP1450ASN27T1 NCP1450ASN30T1
    Text: NCP1450A PWM Step-up DC-DC Controller The NCP1450A series are PWM step–up DC–DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A NCP1450A r14525 NCP1450A/D 5 pin IC marking DAZ NCP1450ASN50T1 bjt 100 A114 A115 JESD22 NCP1450ASN19T1 NCP1450ASN27T1 NCP1450ASN30T1

    NCP1450

    Abstract: NCP1450ASN50T1G NCP1450ASN50T1 NCP1450A NCP1450ASN19T1 NCP1450ASN19T1G NCP1450ASN27T1 NCP1450ASN27T1G NCP1450ASN30T1 NCP1450ASN30T1G
    Text: NCP1450A PWM Step−up DC−DC Controller The NCP1450A series are PWM step−up DC−DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A NCP1450A NCP1450A/D NCP1450 NCP1450ASN50T1G NCP1450ASN50T1 NCP1450ASN19T1 NCP1450ASN19T1G NCP1450ASN27T1 NCP1450ASN27T1G NCP1450ASN30T1 NCP1450ASN30T1G

    NCP1450ASN50T1

    Abstract: bjt audio amplifier pcb layout BJT Transistors TSOP300
    Text: NCP1450A Advance Information PWM Step-up DC-DC Controller The NCP1450A series are PWM step–up DC–DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A r14525 NCP1450A/D NCP1450ASN50T1 bjt audio amplifier pcb layout BJT Transistors TSOP300

    2N3904

    Abstract: Q1 2N3904 NCP1450 NCP1450ASN50T1 2n3904 transistor 2n3904 datasheet MBRM110LT1 Luxeon MTMS4N01 2N3904 Equivalent
    Text: NCP1450 for Boost Control To drive ultra-bright LEDs, a current of several hundred mA is required, thus a high output current DC-DC converter is required. NCP1450 – 2-3 Luxeon LEDs > 1000mA Boost 2-3 cell NCP1450ASN50T1 350ma Current Source D1 L1 V1 3V


    Original
    PDF NCP1450 NCP1450 1000mA) NCP1450ASN50T1 350ma MTMS4N01 MBRM110LT1 2N3904 2N3904 Q1 2N3904 2n3904 transistor 2n3904 datasheet MBRM110LT1 Luxeon MTMS4N01 2N3904 Equivalent

    NCP1450

    Abstract: NCP1450A schematic
    Text: Schematic for the NCP1450 Demonstration Board 9/9/2003 NCP1450A Evaluation Board Schematic Step-up DC-DC Converter Using External MOSFET NCP1450A Evaluation Board Schematic (Step-up DC-DC Converter – External Bipolar Transistor)


    Original
    PDF NCP1450 NCP1450A schematic

    NCP1450ASN50T1

    Abstract: 27T1 bjt ce amplifier JESD22-A114 JESD22-A115 JESD78 NCP1450A NCP1450ASN19T1 NCP1450ASN27T1 NCP1450ASN30T1
    Text: NCP1450A PWM Step−up DC−DC Controller The NCP1450A series are PWM step-up DC-DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A NCP1450A NCP1450A/D NCP1450ASN50T1 27T1 bjt ce amplifier JESD22-A114 JESD22-A115 JESD78 NCP1450ASN19T1 NCP1450ASN27T1 NCP1450ASN30T1

    NCP1450ASN50T1

    Abstract: No abstract text available
    Text: NCP1450A PWM Step-up DC-DC Controller The NCP1450A series are PWM step–up DC–DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A r14525 NCP1450A/D NCP1450ASN50T1

    NCP1450ASN50T1

    Abstract: 5 pin IC marking DAZ TSOP30
    Text: Back NCP1450A PWM Step-up DC-DC Controller The NCP1450A series are PWM step–up DC–DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A r14525 NCP1450A/D NCP1450ASN50T1 5 pin IC marking DAZ TSOP30

    NCP1450ASN50T1G

    Abstract: NCP1450ASN50T1 5 pin IC marking DAZ tsop 173a
    Text: NCP1450A PWM Step-up DC-DC Controller The NCP1450A series are PWM step-up DC-DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A NCP1450ASN50T1G NCP1450ASN50T1 5 pin IC marking DAZ tsop 173a

    design bjt oscillator

    Abstract: NCP1450ASN50T1 DAZ sot23-5 "BJT Transistors" power transistor bjt 1000 a sot23-5 dbd A114 A115 JESD22 NCP1450ASN19T1
    Text: NCP1450A PWM Step-up DC-DC Controller The NCP1450A series are PWM step–up DC–DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A NCP1450A r14525 NCP1450A/D design bjt oscillator NCP1450ASN50T1 DAZ sot23-5 "BJT Transistors" power transistor bjt 1000 a sot23-5 dbd A114 A115 JESD22 NCP1450ASN19T1

    Untitled

    Abstract: No abstract text available
    Text: NCP1450A PWM Step−up DC−DC Controller The NCP1450A series are PWM step−up DC−DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A NCP1450A NCP1450A/D

    5 pin IC marking DAZ

    Abstract: power BJT BJT IC Vce C5 MARKING TRANSISTOR D 2689 NCP1450ASN50T1G bjt ce amplifier application MOSFET CURRENT output impedance Inductor 10 H delta rectifier all model
    Text: NCP1450A PWM Step−up DC−DC Controller The NCP1450A series are PWM step−up DC−DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A NCP1450A NCP1450A/D 5 pin IC marking DAZ power BJT BJT IC Vce C5 MARKING TRANSISTOR D 2689 NCP1450ASN50T1G bjt ce amplifier application MOSFET CURRENT output impedance Inductor 10 H delta rectifier all model

    NCP1450ASN50T1

    Abstract: DAZ sot23-5 design bjt oscillator
    Text: NCP1450A PWM Step−up DC−DC Controller The NCP1450A series are PWM step-up DC-DC switching controller that are specially designed for powering portable equipment from one or two cells battery packs. The NCP1450A series have a driver pin, EXT pin, for connecting to an external transistor. Large


    Original
    PDF NCP1450A NCP1450A/D NCP1450ASN50T1 DAZ sot23-5 design bjt oscillator

    LM2575

    Abstract: NCP1423 NCP1400ASN50T1G MC33166 NCV33063A NCP1442
    Text: CHAPTER 4 Index http://onsemi.com 704 http://onsemi.com 705 Device Index Device Number Page Device Number Page Device Number Page CS51031 19, 24 MC33167 18, 233 NCP1500 15, 387 CS51033 19, 34 MC34060A 21, 177 NCP1501 15, 397 659 MC34063A 21, 191 NCP1508 15, 410


    Original
    PDF CS51031 CS51033 CS5112 CS51411 CS51412 CS51413 CS51414 CS5171 CS5172 CS5173 LM2575 NCP1423 NCP1400ASN50T1G MC33166 NCV33063A NCP1442

    mps2112

    Abstract: UC3842 smps design with TL431 MPS2111 dc motor speed control tl494 TRANSISTOR MPS2112 ic equivalent book ncp1203 mosfet triggering circuit USING TL494 smps with uc3842 and tl431 SG3526 tip122 tip127 mosfet audio amp
    Text: SG388/D Rev. 4, May-2002 Master Components Selector Guide Master Components Selector Guide ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC SCILLC . SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular


    Original
    PDF SG388/D May-2002 r14525 SG388 mps2112 UC3842 smps design with TL431 MPS2111 dc motor speed control tl494 TRANSISTOR MPS2112 ic equivalent book ncp1203 mosfet triggering circuit USING TL494 smps with uc3842 and tl431 SG3526 tip122 tip127 mosfet audio amp

    ne555 national semiconductor

    Abstract: NE555 PIN OUT 3CT12A The device is a drop-in replacement for the NCP2820EVB DIRECT Replacement with ON SEMICONDUCTOR NCP1450AV19EVB ne555 national Jilin Sino-Microelectronics
    Text: Uploaded MPN Uploaded Supplier Crossed Part Number Crossed Manufacturer MCR12LMG ON Semiconductor 3CT12A Jilin Sino-Microelectronics NCV8502DADJG ON Semiconductor NCV8502D50G ON Semiconductor NCV8501DADJG ON Semiconductor LP2953IM LP2953IMX LP2953IM/NOPB LP2953IMX/NOPB


    Original
    PDF MCR12LMG NCV8502DADJG 3CT12A LP2953IM LP2953IMX LP2953IM/NOPB LP2953IMX/NOPB LP2953IMHALF LP2953IMXHALF LP2953IM/HAPB ne555 national semiconductor NE555 PIN OUT The device is a drop-in replacement for the NCP2820EVB DIRECT Replacement with ON SEMICONDUCTOR NCP1450AV19EVB ne555 national Jilin Sino-Microelectronics

    CS5170

    Abstract: mps2112 MPS2112ZL1 100A 300V IGBT MC3346P CS4124YDW16 ON Semiconductor PRICE BOOK 12V to 220V smps inverter bd234 igbt ac motor speed control
    Text: SGD501/D REV 8, January 5, 2002 NORTH AMERICA SALES AND DISTRIBUTION ON Semiconductor PRICE BOOK THIS BOOK IS IN COMPUTER SORT PRODUCT CLASSIFICATION – Please see General Information Section EFFECTIVE DATE: JANUARY 5, 2002 General Information Elimination Of Ozone Depleting Chemicals . . . .


    Original
    PDF SGD501/D Janua667 CS5170 mps2112 MPS2112ZL1 100A 300V IGBT MC3346P CS4124YDW16 ON Semiconductor PRICE BOOK 12V to 220V smps inverter bd234 igbt ac motor speed control

    LM2391

    Abstract: NCP1521 LM2576 lm2576 application data Buck Controller NCP3063 NCP630 NCP1529 NCP1595 NCP3102
    Text: Stratix III Core Voltage: 0.9 or 1.1 V Input Supply ≤200 mA ≤500 mA ≤1 to 1.5 A ≤2 to 2.5 A ≤3 to 5 A ≤25 A 2.5 to 5.5 V NCP584 Linear NCP590 Linear NCP1521/2/3 Buck Controller NCP1529 Buck Controller NCP1521/2/3 Buck Controller NCP1529 Buck Controller


    Original
    PDF NCP584 NCP590 NCP1521/2/3 NCP1529 NCP565 NCP5661 NCP1595 NCP5662 LM2391 NCP1521 LM2576 lm2576 application data Buck Controller NCP3063 NCP630 NCP3102

    capacitor 10mf 16v

    Abstract: mosfet 50V capacitor 10MF capacitor 10mf 6v capacitor low ESR NCP1450ASN50T1 capacitor 6032 kemet footprint 6032-28 kemet ceramic footprint equivalent smd mosfet
    Text: Bill of Materials for the NCP 1450 MOSFET 5.0V Demonstration Board h 8/28/2003 Designator Quantity IC1 D1 Q1 C2 C1 C3 1 1 1 1 1 1 Description PWM Step-up DC-DC controller Schottky Power Rectifier Power MOSFET N-channel Low Profile Tantalum Capacitor Low ESR Tantalum Capacitor


    Original
    PDF 220mF NCP1450ASN50T1 MBRM110L NTGS3446T1 T491C106K016AS T494D220K006AS ECJ1VBIC104M capacitor 10mf 16v mosfet 50V capacitor 10MF capacitor 10mf 6v capacitor low ESR NCP1450ASN50T1 capacitor 6032 kemet footprint 6032-28 kemet ceramic footprint equivalent smd mosfet

    10mf 16v 0603

    Abstract: H8 SOT-23 npn smd 3a 0603 smd CAPACITOR 0603 10UH NCP1450 capacitor 10MF smd cdrh6d28-100nc 10uH inductor 1mF CAPACITOR
    Text: Bill of Materials for the NCP 1450 Bipolar Transitor 2.7V Demonstration Board h 8/28/2003 Designator Quantity IC2 D2 Q2 C5 C4 C6 Cb Rb L2 1 1 1 1 1 1 1 1 1 Description Value PWM Step-up DC-DC controller Schottky Power Rectifier Bipolar Power NPN Low Profile Tantalum Capacitor


    Original
    PDF 220mF 3000pF 10uH/1 OT-23 NCP1450ASN27T1 MBRM110L 10mf 16v 0603 H8 SOT-23 npn smd 3a 0603 smd CAPACITOR 0603 10UH NCP1450 capacitor 10MF smd cdrh6d28-100nc 10uH inductor 1mF CAPACITOR

    zener 5v6 0,5W

    Abstract: low voltage wireless mic ic PWM IC 8 PIN DIP 3842 varistor sck 037 I2S/PCM circuit diagram electronic choke for tube light SOD-923 zener NST3904F3T5G v sot-563 MOSFET 723 ic internal diagram
    Text: Low Profile, Small Footprint Packaging ON Semiconductor offers the latest in low-profile, small-outline packaging. We enable the design and production of ultra-thin end-user products for the consumer market, by manufacturing some of the lowest profile packaging


    Original
    PDF OT-953 BRD8026-4 BRD8026/D zener 5v6 0,5W low voltage wireless mic ic PWM IC 8 PIN DIP 3842 varistor sck 037 I2S/PCM circuit diagram electronic choke for tube light SOD-923 zener NST3904F3T5G v sot-563 MOSFET 723 ic internal diagram

    capacitor 10MF smd

    Abstract: 10mf 16v 0603 capacitor 10mf 6v capacitor SMD footprint 10uH inductor 1mF CAPACITOR capacitor 10mf 16v CAPACITOR SMD sot-23 C6 CDRH6D28-100NC
    Text: Bill of Materials for the NCP 1450 Bipolar Transitor 3.3V Demonstration Board h 8/28/2003 Designator Quantity IC2 D2 Q2 C5 C4 C6 Cb Rb L2 1 1 1 1 1 1 1 1 1 Description Value PWM Step-up DC-DC controller Schottky Power Rectifier Bipolar Power NPN Low Profile Tantalum Capacitor


    Original
    PDF 220mF 3000pF 10uH/1 OT-23 OT223 capacitor 10MF smd 10mf 16v 0603 capacitor 10mf 6v capacitor SMD footprint 10uH inductor 1mF CAPACITOR capacitor 10mf 16v CAPACITOR SMD sot-23 C6 CDRH6D28-100NC

    10mf 16v 0603

    Abstract: npn smd 3a capacitor 10MF smd capacitor SMD footprint NCP1450 CAPACITOR TANTALUM panasonic H8 SOT-23 CDRH6D28-100NC 10uH inductor capacitor 10mf 16v
    Text: Bill of Materials for the NCP 1450 Bipolar Transitor 5.0V Demonstration Board h 8/28/2003 Designator Quantity IC2 D2 Q2 C5 C4 C6 Cb Rb L2 1 1 1 1 1 1 1 1 1 Description Value PWM Step-up DC-DC controller Schottky Power Rectifier Bipolar Power NPN Low Profile Tantalum Capacitor


    Original
    PDF 220mF 3000pF 10uH/1 OT-23 NCP1450ASN50T1 MBRM110L OT22Capacitor 10mf 16v 0603 npn smd 3a capacitor 10MF smd capacitor SMD footprint NCP1450 CAPACITOR TANTALUM panasonic H8 SOT-23 CDRH6D28-100NC 10uH inductor capacitor 10mf 16v

    1500w audio amplifier circuit

    Abstract: Schottky Diode 80V 6A 1500w PWM 220v C106MG marking code SS SOT23 tl494cn inverter datasheet smps 1500W MMSZ5231BT1G dc 220v motor speed control circuit with scr NCP1200P60G
    Text: SGD501/D REV 19, October 9, 2004 NORTH AMERICA SALES AND DISTRIBUTION ON Semiconductor PRICE BOOK THIS BOOK IS IN COMPUTER SORT PRODUCT CLASSIFICATION − Please see General Information Section EFFECTIVE DATE: OCTOBER 9, 2004  General Information ON Semiconductor Standard Policies


    Original
    PDF SGD501/D 74VCX16373DT 74VCX16373DTR 74VCX16374DT 16BIT 74VCX16374DTR 80SQ045N 80SQ045NRL 1500w audio amplifier circuit Schottky Diode 80V 6A 1500w PWM 220v C106MG marking code SS SOT23 tl494cn inverter datasheet smps 1500W MMSZ5231BT1G dc 220v motor speed control circuit with scr NCP1200P60G