Part LT3957A
Description Boost / Flyback / SEPIC and Inverting Converter
Manufacturer Linear Technology
Size 553.90 KB
Linear Technology
LT3957A

Overview

The LT®3957A is a wide input range, current mode DC/DC converter which is capable of generating either positive or negative output voltages. It can be configured as either a boost, flyback, SEPIC or inverting converter.

  • Wide Input Voltage Range: 3V to 40V
  • Single Feedback Pin for Positive or Negative Output Voltage
  • Internal 5A/40V Power Switch
  • Current Mode Control Provides Excellent Transient Response
  • Programmable Operating Frequency (100kHz to 1MHz) with One External Resistor
  • Synchronizable to an External Clock
  • Low Shutdown Current < 1μA
  • Internal 5.2V Low Dropout Voltage Regulator
  • Programmable Input Undervoltage Lockout with Hysteresis
  • Programmable Soft-Start