Datasheet Summary
Features n Wide Input Voltage Range: 5V to 80V n Single Feedback Pin for Positive or Negative
Output Voltage n Internal 3.3A/84V Power Switch n Current Mode Control Provides Excellent Transient
Response n Programmable Operating Frequency (100kHz to
1MHz) with One External Resistor n Synchronizeable to an External Clock n Low Shutdown Current < 1µA n Internal 7.2V Low Dropout Voltage Regulator n Programmable Input Undervoltage Lockout with
Hysteresis n Programmable Soft-Start n Thermally Enhanced QFN (5mm × 6mm) Package
Applications n Automotive n Tele n Industrial
High Input Voltage, Boost, Flyback, SEPIC and
Inverting Converter
Description
The LT®3958 is a wide input range,...