onsemi NCP1587
The NCP1587 and NCP1587A are low cost PWM controllers designed to operate from a 5 V or 12 V supply. These devices are capable of producing an output voltage as low as 0.8 V. These 8−pin devices provide an optimal level of integration to reduce size and cost of the power supply.FEATURES
● Input Voltage Range from 4.5 to 13.2 V● 275 kHz (NCP1587) and 200 kHz (NCP1587A) Internal Oscillator
● Boost Pin Operates to 30 V
● Voltage Mode PWM Control
● 0.8 V ±1.0 % Internal Reference Voltage
● Adjustable Output Voltage
● Capacitor Programmable Soft−Start
● Internal 1 A Gate Drivers
● 80% Max Duty Cycle
● Input Under Voltage Lockout
● Programmable Current Limit
● These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant
APPLICATIONS
● Graphics Cards● Desktop Computers
● Servers / Networking
● DSP & FPGA Power Supply
● DC−DC Regulator Modules MARKING DIAGRAM 8 1 8 SOIC−8 1587x D SUFFIX CASE 751 ALYW G 1 1587x = Specific Device Code (x = A for NCP1587A, blank for NCP1587) A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb−Free Device PIN CONNECTIONS BST 1 TG 2 GND 3 BG 4 8 PHASE 7 COMP/DIS 6 FB 5 VCC (Top View) ORDERING INFORMATION Device Package Shipping† NCP1587DR2G SOIC−8 2500/Tape & Reel (Pb−Free) NCP1587ADR2G SOIC−8 2500/Tape & Reel (...