LTC1735IGN-1

IC REG CTRLR BUCK PWM CM 16-SSOP

DESCRIPTION

The LTC® 1735-1 is a synchronous step-down switching regulator controller optimized for CPU power. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values.

FEATURES

■ Dual N-Channel MOSFET Synchronous Drive

■ Programmable/Synchronizable Fixed Frequency

■ VOUT Range: 0.8V to 7V

■ Wide VIN Range: 3.5V to 36V Operation

■ Very Low Dropout Operation: 99% Duty Cycle

■ OPTI-LOOP™ Compensation Minimizes COUT

■ ±1% Output Voltage Accuracy

■ Power Good Output Voltage Monitor

■ Internal Current Foldback

■ Output Overvoltage Crowbar Protection

■ Latched Short-Circuit Shutdown Timer with Defeat Option

■ Optional Programmable Soft-Start

■ Remote Output Voltage Sense

■ Logic Controlled Micropower Shutdown: IQ < 25µA

■ Available in 16-Lead Narrow SSOP and SO Packages