Datasheet > HT72B30

HT72B30

更新时间： 2024-02-28 07:48:22

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		稳压器
页数	文件大小	规格书
13页	1990K
描述
High PSRR 300mA LDO Regulator

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中文翻译

获取价格

数据手册

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HT72B30 数据手册

HT72Bxx

High PSRR 300mA LDO Regulator

Features

General Description

•ꢀ OutputꢀVoltage:ꢀ1.5V/1.8V/2.5V/2.8V/ꢀ

3.0V/3.3V/5V

TheꢀHT72Bxxꢀ seriesꢀareꢀCMOS-basedꢀ voltageꢀ

regulatorꢀICsꢀwithꢀhighꢀoutputꢀvoltageꢀaccuracy,ꢀlowꢀ

quiescentꢀcurrent,ꢀlowꢀonꢀResistance,ꢀandꢀhighꢀrippleꢀ

rejection.ꢀEachꢀofꢀtheseꢀICsꢀconsistsꢀofꢀaꢀvoltageꢀ

referenceꢀunit,ꢀanꢀerrorꢀamplifier,ꢀresistor-netꢀforꢀ

voltageꢀsetting,ꢀaꢀcurrentꢀlimitꢀcircuit,ꢀaꢀchipꢀenableꢀ

circuit,ꢀandꢀsoꢀon.

•ꢀ HighꢀOutputꢀVoltageꢀAccuracy:ꢀ±2%

•ꢀ HT72B25ꢀLowꢀVoltageꢀDrop:ꢀ0.34Vꢀ(Typ.)ꢀ

(V_OUT=2.5Vꢀ@ꢀI_OUT=300mA)

•ꢀ MaximumꢀInputꢀVoltage:ꢀ7.0V

•ꢀ GuaranteedꢀOutputꢀCurrent:ꢀ300mA

•ꢀ LowꢀPowerꢀConsumption:ꢀ18uAꢀ(Typ.)

•ꢀ HighꢀRippleꢀRejection:ꢀ70dBꢀ(1kHz@I_OUT=30mA)

•ꢀ Power-savingꢀShutdownꢀMode

•ꢀ OverꢀTemperatureꢀProtection

TheꢀHT72Bxx’sꢀcurrentꢀlimiters'ꢀfoldꢀbackꢀcircuitꢀ

alsoꢀoperatesꢀasꢀaꢀshortꢀcircuitꢀprotectꢀfunctionꢀforꢀtheꢀ

outputꢀcurrentꢀlimiter.

TheseꢀICsꢀperformꢀwithꢀlowꢀdropoutꢀvoltageꢀandꢀtheꢀ

chip-enableꢀfunction.ꢀTheꢀquiescentꢀcurrentꢀofꢀthisꢀICꢀ

isꢀonlyꢀ18μA,ꢀandꢀtheꢀlineꢀtransientꢀresponseꢀandꢀtheꢀ

loadꢀtransientꢀresponseꢀofꢀHT72Bxxꢀareꢀexcellent,ꢀ

thusꢀtheseꢀICsꢀareꢀveryꢀsuitableꢀforꢀtheꢀpowerꢀsupplyꢀ

forꢀhand-heldꢀcommunicationꢀequipment.

•ꢀ CurrentꢀLimiting

•ꢀ SOT23-5,ꢀSOT89ꢀPackage

Applications

•ꢀ Portableꢀcommunicationꢀequipment

Theꢀspace-savingꢀSOT23-5,ꢀSOT89ꢀpackageꢀwillꢀbeꢀ

anꢀattractiveꢀadditionalꢀfeatureꢀforꢀpocketꢀandꢀhand-

heldꢀapplications.

•ꢀ Portableꢀmusicꢀplayer

•ꢀ Electricalꢀappliancesꢀsuchꢀasꢀcameras,ꢀVCRsꢀandꢀ

camcorders

•ꢀ Battery-poweredꢀequipment

Selection Table

Part No.

HT72B15

HT72B18

HT72B25

HT72B28

HT72B30

HT72B33

HT72B50

Output Voltage

1.5V

Tolerance

Package

1.8V

2.5V

SOT23-5

SOT89

2.8V

±2%

3.0V

3.3V

5.0V

Rev. 1.00

August 24, 2011

12 3 4 5 6 7...13

中文翻译

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HT72BXX	HOLTEK	获取价格	High PSRR 300mA LDO Regulator
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HT72D1518	HOLTEK	获取价格	High PSRR 300mA Dual LDO Regulator
HT72D1525	HOLTEK	获取价格	High PSRR 300mA Dual LDO Regulator
HT72D1528	HOLTEK	获取价格	High PSRR 300mA Dual LDO Regulator
HT72D1533	HOLTEK	获取价格	High PSRR 300mA Dual LDO Regulator
HT72D1825	HOLTEK	获取价格	High PSRR 300mA Dual LDO Regulator