NCP1582
NCP1582 is Low Voltage Synchronous Buck Controller manufactured by onsemi.
Features include a 0.7 A gate driver and an internally set 350 k Hz (NCP1582, NCP1582A) and a 300 k Hz (NCP1583) oscillator. The NCP158x also incorporates an externally pensated transconductance error amplifier and a programmable soft- start function. Protection features include short circuit protection (SCP) and under voltage lockout (UVLO). The NCP158x es in an 8- pin SOIC package.
Features
- Input Voltage Range from 4.5 V to 13.2 V
- 350 k Hz (NCP1582, NCP1582A), 300 k Hz (NCP1583) Internal
Oscillator
- Boost Pin Operates to 30 V
- Voltage Mode PWM Control
- 0.8 V $1.5% Internal Reference Voltage
- Adjustable Output Voltage
- Programmable Soft- Start
- Internal 0.7 A Gate Drivers
- 80% Max Duty Cycle
- Input UVLO
- RDS(on) Current Sensing for Short Circuit Protection
- These are Pb- Free Devices
Applications
- Graphics Cards
- Desktop puters
- Servers/Networking
- DSP and FPGA Power Supply
- DC- DC Regulator Modules
FB VCC BST
P/DIS TG PHASE
VOUT
GND BG
8 1 http://onsemi.
MARKING DIAGRAM
SOIC- 8 D SUFFIX CASE 751
158x ALYW
1 x = 2, 2A or 3 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 P/DIS 6 FB 5 VCC
(Top View)
NCP158x...