IC-DC IC-Haus, IC-DC Datasheet

IC-DC

Manufacturer Part Number

IC-DC

Description

2-CHANNEL BUCK/BOOST DC/DC CONVERTER

Manufacturer

IC-Haus

Datasheet

1.IC-DC.pdf (19 pages)

Current page: 1 of 19
Download datasheet (764Kb)

www.DataSheet.co.kr

iC-DC

2-CHANNEL BUCK/BOOST DC/DC CONVERTER

FEATURES

BLOCK DIAGRAM

Wide input voltage range of +4 to +36 V

Reverse polarity protection up to -36 V with autarky function

Universal buck/boost converter with high efﬁciency

Two back-end, adjustable linear regulators (1.5 V to 5.5 V) with

a total of up to 300 mA of output current and a separate output

voltage monitor

Low residual ripple with small capacitors in the µF range

Separate enable inputs for the linear regulators

Two switched linear regulator outputs

Integrated switching transistors and ﬂyback diodes

Converter cut-off current can be set by an external resistor

Integrated 3 MHz oscillator with no external components

Active noise spectrum reduction

Error messaging with overtemperature, overvoltage, and

undervoltage at the current-limited open-collector output

Wide temperature range of -40 °C to 125 °C

Protective circuitry against ESD

Space saving 24-pin QFN package

VCC1

RREF

4...36V

20k

VCC2

CVB

1μF

VBROK

TOK

RREF

ENV1

ENV2

CFG1

CFG2

NAUT

ERROR DETECT.

OSCILLATOR

REFERENCE

OUTPUT

ENABLE

CONFIGURATION

VCC1:

5V/3.3V/R1:R2

VCC2:

3.3V/2.5V/R3:R4

REVERSE

PROTECT.

INTERNAL

SUPPLY

BIAS

SHUTDOWN

AUTARKY

DETECT.

THERMAL

VOLTAGE

MONITOR

CVBR

10μF

SWITCHING REGULATOR

VBR

CONTROL

BOOST

BUCK

GNDA

iC-DC

22μH

LVBH

VBL

GND

VHL

TEST

LIN.-REG.2

LIN.-REG.1

VCC1,VCC2

MONITORING

VOLTAGE

APPLICATIONS

PACKAGES

Dual voltage supply by

buck/boost converters with

adjustable, back-end linear

regulators

Power management for laser,

encoder, and automotive

applications

QFN24 4 mm x 4 mm

SUPPLY

SWITCH 1

SUPPLY

SWITCH 2

(RoHS compliant)

POE1

VCC1

VCC2

POE2

V1OK

V2OK

VH1

VH2

Rev A3, Page 1/19

http://www.ichaus.com

CVH

3.3μF

CVH1

3.3μF

CVCC1

1μF

CVH2

3.3μF

CVCC2

1μF

1.5...5.5V

Datasheet pdf - http://www.DataSheet4U.net/

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