Datasheet > IC-WDDFN10

IC-WDDFN10

更新时间： 2024-09-29 12:20:03

品牌	Logo	应用领域
ICHAUS		稳压器开关
页数	文件大小	规格书
12页	591K
描述
SWITCHED-MODE DUAL VOLTAGE REGULATOR

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中文翻译

获取价格

技术参数
数据手册

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IC-WDDFN10 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	compliant	风险等级：	5.71
Base Number Matches：	1

IC-WDDFN10 数据手册

iC-WD A/B/C

SWITCHED-MODE DUAL VOLTAGE REGULATOR

Rev D1, Page 1/12

FEATURES

APPLICATIONS

♦ Input voltage 8 to 36 Vdc

♦ 5 V resp. 3.3 V supply e.g. from

24 V industrial network

♦ Highly efﬁcient down converter

♦ Switching transistor and free-wheeling diode integrated

♦ Adjustment of the regulator cut-off current with external

resistor

♦ Integrated 100 kHz oscillator without external components

♦ Switching frequency above the audible range

♦ Two downstream linear regulators with 200 mA/25 mA output

current

♦ Three different output voltage combinations of 3.3 V version

available (see Block Diagram)

♦ Small residual ripple with low capacitances in the µF range

♦ Fault message at overtemperature and undervoltage at

current-limited open-collector output

PACKAGES

♦ Shutdown of switching regulator at overtemperature

♦ Internal reference voltages

♦ ESD protection

DFN10

SO8

(optional with

thermal pad)

♦ Low space requirement with SO8 resp. tiny DFN10 package

♦ Option: enhanced temperature range of -40 to 85 °C

BLOCK DIAGRAM

VB (8...36 V)

RVB

LVH

1Ω

CVH

4.7µF

220µH

4.7µF

VBR

VHL

VH SWITCHING CONVERTER

VCC

+5 V

VCCA

+5 V

WDA +3.3 V +3.3 V

WDB +3.3 V +5 V

WDC +5 V

+3.3 V

OSCILLATOR

(200 mA)

VCC

CVCC

4.7µF

ERROR

NER

TEMPERATURE

VCC REGULATOR

UNDERVOLTAGE

ERROR DETECTION

VCCA

(25 mA)

CVCCA

1µF

VREF

iC−WD

REFERENCE

VCCA REGULATOR

GND

Pin numbers for SO8 package

http://www.ichaus.com

12 3 4 5 6 7...12

中文翻译

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