HT73xx-7
30V, 250mA TinyPowerTM LDO with Protections
Features
General Description
•ꢀ Lowꢀpowerꢀconsumption
TheꢀHT73xx-7ꢀisꢀaꢀlowꢀpowerꢀhighꢀvoltageꢀseriesꢀofꢀ
regulatorsꢀimplementedꢀinꢀCMOSꢀtechnologyꢀwhichꢀ
hasꢀtheꢀadvantagesꢀofꢀlowꢀvoltageꢀdropꢀandꢀlowꢀ
quiescentꢀcurrent.ꢀTheyꢀallowꢀinputꢀvoltagesꢀasꢀhighꢀ
•ꢀ Lowꢀvoltageꢀdrop
•ꢀ Lowꢀtemperatureꢀcoefficient
•ꢀ Highꢀinputꢀvoltageꢀ–ꢀupꢀtoꢀ30V
•ꢀ Outputꢀvoltageꢀaccuracy:ꢀtoleranceꢀ±2%
•ꢀ Overꢀcurrentꢀprotection
asꢀ30Vꢀandꢀareꢀavailableꢀwithꢀseveralꢀfixedꢀoutputꢀ
voltagesꢀrangingꢀfromꢀ2.1Vꢀtoꢀ5.0V.
WhenꢀtheꢀCEꢀinputꢀisꢀlow,ꢀaꢀfastꢀdischargeꢀpathꢀpullsꢀ
theꢀoutputꢀvoltageꢀlowꢀviaꢀanꢀinternalꢀpull-downꢀ
resistor.ꢀAnꢀinternalꢀover-currentꢀprotectionꢀcircuitꢀ
preventsꢀtheꢀdeviceꢀfromꢀdamageꢀevenꢀifꢀtheꢀoutputꢀ
isꢀshortedꢀtoꢀground.ꢀAnꢀover-temperatureꢀprotectionꢀ
circuitꢀensuresꢀtheꢀdeviceꢀjunctionꢀtemperatureꢀwillꢀ
notꢀexceedꢀaꢀtemperatureꢀofꢀ150°C.ꢀ
•ꢀ Overꢀtemperatureꢀprotection
•ꢀ Chipꢀenable/disableꢀfunction
•ꢀ Packageꢀtypes:ꢀ8-pinꢀSOP-EP,ꢀSOT89-3ꢀandꢀ
TO92-3
Applications
•ꢀ Battery-poweredꢀequipmentꢀ
•ꢀ Communicationꢀequipment
•ꢀ Audio/Videoꢀequipment
Selection Table
Part No.
HT7321-7
HT7323-7
HT7325-7
HT7327-7
HT7330-7
HT7333-7
HT7336-7
HT7340-7
HT7344-7
HT7350-7
Output Voltage
2.1V
Packages
Markings
2.3V
2.5V
2.7V
3.0V
8SOP-EP
HT73xx-7 for the 8SOP-EP type.
TO92-3, SOT89-3 73xx-7 marking for the TO92-3, SOT89-3 types.
3.3V
3.6V
4.0V
4.4V
5.0V
Note:ꢀ"xx"ꢀstandsꢀforꢀoutputꢀvoltages.
Rev. 1.00
1
April 15, 2016