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Data Sheet No.
PD94713
IR3637SPBF
1% ACCURATE SYNCHRONOUS PWM CONTROLLER FEATURES
0.
8V Reference
Voltage Operates with a single 5V Supply
Voltage Internal 400kHz Oscillator Soft-Start Function Fixed Frequency
Voltage Mode Short Circuit Protection
DESCRIPTION
The IR3637 controller IC is designed to provide a simple synchronous Buck regulator for on-board DC to DC applications in a small 8-pin SOIC.
The output
voltage can be precisely regulated using the internal 0.
8V reference
voltage for low
voltage applications.
The IR3637 operates at a fixed internal 400kHz switching frequency to reduce the component size.
The device features under-
voltage lockout for both input supp...