OCP2576
Simple Switch 3A Step-down Voltage Regulator
Features
General Description
z Output voltage: 3.3V, 5V, 12V...
OCP2576
Simple Switch 3A Step-down
Voltage Regulator
Features
General Description
z Output
voltage: 3.3V, 5V, 12V, 15V and adjustable The OCP2576 series of regulators are monolithic IC
output versions
that provide all the active function for a step-down
z Adjustable version output
voltage range:1.23V to (buck) switching regulator, capable of driving 3A load
30V±4% max over line and load conditions
with excellent line and load regulation. These
z Guaranteed 3A output current
devices are available in fixed output
voltages of
z Input
voltage up to 36V
3.3V, 5V, 12V, 15V and an adjustable output version.
z z z z z
Requires only 4 external components 52KHz fixed frequency internal oscillator TTL shutdown capability, low power standby mode High efficiency Thermal shutdown and current limit protection
Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation and a fixed frequency oscillator.
A standard series of inductors optimized for use with
Applications
z Simple High-efficiency step-down regulator z Efficient pre-regulator for linear regulators z Positive to negative converter(Buck-Boost)
the OCP2576 are available from several different manufacturers. This feature greatly simplifiers the design of switch-mode power supplies.
Others features include a guaranteed ±4% tolerance on output within specified input
voltages and output
load conditions, and ±10% on the oscillator
frequency. Ex...