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IC reference design search

XYSemi XR3403

1.2 MHz, 26V Step-up DC/DC Converter

Overview

TopologyBoost Converter
Input voltage2.3-6 V
Switching frequency900-1500 kHz
Output 126 V / 3 A
IC revision0.6

Description

The XR3403 is a high frequency, high efficiency DC to DC converter with an integrated 3A, 0.1Ω power switch capable of providing an output voltage up to 26V. The fixed 1.2MHz allows the use of small external inductions and capacitors and provides fast transient response. It integrates Soft start, Comp,. only need few components outside. It can be adjusted SW current limit by one resistor or analog voltage.

Features

  • 2.3V to 6V input voltage Rangel
  • Efficiency up to 96%
  • 26V Boost converter with adjusted switch current
  • 1.2Mhz fixed Switching Frequency
  • Integrated soft-start
  • Thermal Shutdown
  • Under voltage Lockout
  • SOT23-6 Package

Typical applications

  • TFT LCD Bias Supply
  • Handheld Devices
  • Digital Still Camera
  • GPS Receiver
  • PCMCIA Card
  • Portable Applications
  • DSL Modem

Products

Order Code Data­sheet Downloads Product seriesL
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
SizeVersionMount Samples
74437324022
STE ALT EAG CAD LTS PSP SPE IGS CADWE-LHMI SMT Power Inductor 2.2 3.25 6.5 51 61 49 4020 SMT SMT
744777004
IGS STP ALT EAG CAD LTS PSP SPE CADWE-PD SMT Power Inductor 4.7 3.2 4 25 40 37 7345 Standard SMT
Order Code Data­sheet
74437324022
744777004
Samples
Order Code Data­sheet Downloads Product seriesL
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
SizeVersionMount Samples