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NCP3020B

ON Semiconductor
Part Number NCP3020B
Manufacturer ON Semiconductor
Description Synchronous PWM Controller
Published Jul 1, 2010
Detailed Description NCP3020A, NCP3020B, NCV3020A, NCV3020B Synchronous PWM Controller The NCP3020 is a PWM device designed to operate from ...
Datasheet PDF File NCP3020B PDF File

NCP3020B
NCP3020B

Overview
NCP3020A, NCP3020B, NCV3020A, NCV3020B Synchronous PWM Controller The NCP3020 is a PWM device designed to operate from a wide input range and is capable of producing an output voltage as low as 0.
6 V.
The NCP3020 provides integrated gate drivers and an internally set 300 kHz (NCP3020A) or 600 kHz (NCP3020B) oscillator.
The NCP3020 also has an externally compensated transconductance error amplifier with an internally fixed soft−start.
Protection features include lossless current limit and short circuit protection, output overvoltage protection, output undervoltage protection, and input undervoltage lockout.
The NCP3020 is currently available in a SOIC−8 package.
Features • Input Voltage Range from 4.
7 V to 28 V • 300 kHz Operation (NCP3020B – 600 kHz) • 0.
6 V Internal Reference Voltage • Internally Programmed 6.
8 ms Soft−Start (NCP3020B – 4.
4 ms) • Current Limit and Short Circuit Protection • Transconductance Amplifier with External Compensation • Input Undervoltage Lockout • Output Overvoltage and Undervoltage Detection • NCV Prefix for Automotive and Other Applications Requiring Site and Change Controls • This is a Pb−Free Device VIN CIN CBST VCC BST HSDR Q1 COMP VSW L0 Vout RC CC2 CC1 FB LSDR GND Q2 RISET RFB1 RFB2 C0 Figure 1.
Typical Application Circuit www.
onsemi.
com 8 1 SOIC−8 NB CASE 751 MARKING DIAGRAM 8 3020x ALYW G 1 3020x A L Y W G = Specific Device Code x = A or B = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package PIN CONNECTIONS VCC COMP FB GND BST HSDR VSW LSDR ORDERING INFORMATION Device Package Shipping† NCP3020ADR2G SOIC−8 2500 / Tape & Reel (Pb−Free) NCP3020BDR2G SOIC−8 2500 / Tape & Reel (Pb−Free) NCV3020ADR2G SOIC−8 2500 / Tape & Reel (Pb−Free) NCV3020BDR2G SOIC−8 2500 / Tape & Reel (Pb−Free) †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D.
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