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ISSI IS32LT3957 | Demoboard IS32LT3957 Buck_Boost DEMO

HIGH VOLTAGE LED LIGHTING DRIVER FOR BUCK-BOOST, BOOST TOPOLOGY

Overview

Topology Buck-Boost Converter
Input voltage 9-26 V
Switching frequency 100-1000 kHz
Output 1 28 V / 1.2 A
IC revision 1B

Description

IS32LT3957 Buck_Boost DEMO BOMInput: DC9-26V, Output: 9 LED in series/1.2ARev.01B, 05/20/2017

Features

  • Wide voltage: VCC up to 75V
  • Boost or buck-boost operation
  • Easy dimming: Analog or PWM
  • Output over voltage protection (OVP)
  • Internal soft start to avoid inrush current
  • Current mode PWM with an external sync feature
  • Output short circuit protection
  • VCC under voltage lock out
  • Over temperature protection (OTP)
  • AEC-Q100 (Pending)

Typical applications

  • Automotive

More information

Products

Order Code Data­sheet Downloads Product series L
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Size Version Samples
7447709220
IGS STP ALT EAG CAD LTS PSP SPE CAD WE-PD SMT Power Inductor 22 5.3 6.5 23 28 10 1210 Standard
Order Code Data­sheet
7447709220
Samples
Order Code Data­sheet Downloads Product series L
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Size Version Samples