ADP3031 - Analog Devices

ADP3031 PWM Boost Switching Regulator

CURRENT SENSE AMPLIFIER 8 GND 4 PGND The ADP3031 is a high frequency, step-up DC-DC switching regulator capable of 12 V boosted output voltage in a space saving MSOP-8 package. It provides high efficiency, low-noise operation, and is easy to use. Capable of operating up to 2 MHz, the high switching frequency and PWM current mode architecture allow for exce.

Features

Up to 2 MHz PWM Frequency Fully Integrated 1.5 A Power Switch 3% Output Regulation Accuracy Adjustable Output Voltage from 3 V to 12 V Simple Compensation Small Inductor and MLC Capacitors 90% Efficiency Under-voltage Lockout Shutdown APPLICATIONS TFT LCD Bias Supplies Portable Electronic Instruments Industrial/Instrumentation Equipment REF FB 2 gm 2 MHz PWM Boost Switching Regulator ADP3031 Functional Block Diagram COMP ERROR AMP 1 IN 6 ADP3031 BIAS F/F RAMP GEN COMPARATOR RT 7 OSC R Q S DRIVER 5 SW SD 3 GENERAL DESCRIPTION CURRENT SENSE AMPLIFIER 8 GND 4 PGND The ADP3031 is a high fre.