HT7325-7 [HOLTEK]

30V, 250mA TinyPowerTM LDO with Protections;


型号：	HT7325-7
厂家：	HOLTEK SEMICONDUCTOR INC
描述：	30V, 250mA TinyPowerTM LDO with Protections 输出元件调节器
文件：	总19页 (文件大小：2362K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

HT73xx-7

30V, 250mA TinyPower^TMLDO 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

April 15, 2016

HT73xx-7

Block Diagram

OTP

VIN

OUT

OCP

300Ω

Vref

Soft Start

GND

Pin Assignment

SOT89-3

TO92-3

OUT

VIN

73xx-7

VIN

73xx-7

GND

HT73xx-7

8 SOP-A

(Exposed Pad)

GND

VIN

OUT

GND VIN OUT

Pin Descriptions

Pin No.

Pin Name

Pin Description

8SOP-EP

SOT89-3

TO92-3

GND

VIN

OUT

Ground pin

Input pin

8, 9

Output pin

—

Chip enable pin, high enable

No connection

2, 3, 4, 6

Rev. 1.30

April 15, 2016

HT73xx-7

Absolute Maximum Ratings

Parameter

Value

-0.3 to +33

-0.3 to (V_IN+0.3)

-40 to +85

+150

Unit

V_IN

V_CE

^oC

Operating Temperature Range, Ta

Maximum Junction Temperature, T_J(MAX)

Storage Temperature Range

-65 to +165

125

8SOP-EP

SOT89-3

TO92-3

°C/W

Junction-to-Ambient Thermal Resistance, θ_JA

200

8SOP-EP

SOT89-3

TO92-3

0.80

Power Dissipation, P_D

0.50

Note:ꢀP_DꢀisꢀmeasuredꢀatꢀTa=25°C.

Recommended Operating Range

Parameter

Value

Unit

V_IN

V_OUT+2 to 30

0 to V_IN

V_CE

Electrical Characteristics

V_IN=V_OUT+2V, V_CE=V_IN, Ta=25^oC and C_IN=C_OUT=10μF, unless otherwise speciﬁed

Symbol

V_IN

Parameter

Input Voltage

Output Voltage Range

Test Conditions

Min.

—

Typ.

—

Max.

Unit

—

V_OUT

V_O

2.1

-2

—

5.0

Output Voltage Accuracy I_OUT=10mA

Output Current

—

I_OUT

—

250

—

μA

|∆V_OUT

Load Regulation

1mA ≤ I_OUT≤ 100mA

I_OUT=1mA, V_OUTChange=2% ^(Note)

I_OUT=30mA, V_OUTChange=2% ^(Note)

I_OUT=0mA

—

V_DIF

Dropout Voltage

—

120

2.5

3.0

0.1

300

4.0

5.0

0.5

I_SS1

I_SS2

I_SHD

—

Quiescent Current

V_CE=2.0V, V_IN=30V, I_OUT=0mA

V_CE=0V

—

Shutdown Current

Line Regulation

—

∆V_OUT

∆V_IN× ∆V_OUT

(V_OUT+1V) ≤ V_IN≤ 30V, I_OUT=1mA

—

0.1

0.2

—

%/V

∆V_OUT

∆T × ∆V_OUT

Temperature Coefﬁcient I_OUT=40mA, -40°C < Ta < 85°C

±100

ppm/°C

I_SHORT

T_SHD

T_REC

V_IH

Output Short Current

Shutdown Temperature

Recovery Temperature

Enable High Threshold

Enable Low Threshold

Discharge Resistor

V_IN=12V, force V_OUT=0V

—

2.0

—

250

150

—

0.6

—

^oC

—

CE pin, V_OUT+1V ≤ V_IN≤ 30V

CE=0V, measure at V_OUT

—

V_IL

—

R_DIS

300

Ω

Note:ꢀTheꢀdropoutꢀvoltageꢀisꢀdeﬁnedꢀasꢀtheꢀinputꢀvoltageꢀminusꢀtheꢀoutputꢀvoltageꢀthatꢀproducesꢀaꢀ2%ꢀchangeꢀinꢀ

theꢀoutputꢀvoltageꢀfromꢀtheꢀvalueꢀatꢀV_IN=V_OUT+2Vꢀwithꢀaꢀﬁxedꢀload.

Rev. 1.30

April 15, 2016

HT73xx-7

Typical Performance Characteristic

TestꢀCondition:ꢀV_IN=V_OUT+2V,ꢀV_CE=V_IN,ꢀI_OUT=10mA,ꢀC_IN=10μF,ꢀC_OUT=10μFꢀandꢀTa=25ºC,ꢀunlessꢀotherwiseꢀnoted.

3.33

3.32

3.31

3.3

5.06

5.04

5.02

-40°C

25°C

85°C

3.29

3.28

3.27

3.26

3.25

4.98

4.96

4.94

4.92

4.9

-40°C

25°C

85°C

V_IN(V)

Line Regulation: HT7333-7 (I_OUT=10mA)

Line Regulation: HT7350-7 (I_OUT=10mA)

2.4

2.2

4.5

-40°C

25°C

85°C

3.5

1.8

1.6

1.4

1.2

2.5

85°C

25°C

1.5

-40°C

V_IN(V)

I_SSvs V_IN: HT7333-7 (I_OUT=0mA)

I_SSvs V_IN: HT7350-7 (I_OUT=0mA)

0.5

0.4

0.3

0.2

0.1

0.5

0.4

0.3

0.2

0.1

-40°C

25°C

85°C

-40°C

25°C

85°C

V_IN(V)

I_SHDvs V_IN: HT7333-7 (I_OUT=0mA)

I_SHDvs V_IN: HT7350-7 (I_OUT=0mA)

250

200

150

100

250

200

150

100

-40°C

25°C

85°C

-40°C

25°C

85°C

100

125

I_OUT(mA)

150

175

200

225

250

100

125

I_OUT(mA)

150

175

200

225

250

I_SSvs I_OUT: HT7333-7 (V_IN=5.3V)

I_SSvs I_OUT: HT7350-7 (V_IN=7.0V)

2.5

1.5

-40°C

25°C

85°C

25°C

85°C

0.5

2.5

5.5

8.5

11.5

14.5

17.5

V_CE(V)

20.5

23.5

26.5

29.5

32.5

2.5

5.5

8.5

11.5

14.5

17.5

V_CE(V)

20.5

23.5

26.5

29.5

32.5

I_SSvs V_CE: HT7333-7 (I_OUT=0mA)

I_SSvs V_CE: HT7350-7 (I_OUT=0mA)

Rev. 1.30

April 15, 2016

HT73xx-7

TestꢀCondition:ꢀV_IN=V_OUT+2V,ꢀV_CE=V_IN,ꢀI_OUT=10mA,ꢀC_IN=10μF,ꢀC_OUT=10μFꢀandꢀTa=25ºC,ꢀunlessꢀotherwiseꢀnoted

700

180

600

500

400

300

200

100

160

140

120

100

-40°C

25°C

85°C

TSHD(+)

THD(-)

V_IN(V)

T_SHDvs V_IN

I_SHDvs V_IN

1600

1400

1200

1000

800

600

400

200

1400

1200

1000

800

600

400

200

-40°C

25°C

85°C

-40°C

25°C

85°C

100

125

I_OUT(mA)

150

175

200

225

250

100

125

I_OUT(mA)

150

175

200

225

250

Dropout Voltage: HT7333-7

Dropout Voltage: HT7350-7

Rev. 1.30

April 15, 2016

HT73xx-7

TestꢀCondition:ꢀV_IN=V_OUT+2V,ꢀV_CE=V_IN,ꢀI_OUT=10mA,ꢀC_IN=10μF,ꢀC_OUT=10μFꢀandꢀTa=25ºC,ꢀunlessꢀotherwiseꢀnoted.

Load Transient Response:

HT7333-7 (V_IN=5.3V, I_OUT=0mA to 40mA)

HT7350-7 (V_IN=7.0V, I_OUT=0mA to 40mA)

Load Transient Response:

HT7333-7 (V_IN=5.3V, I_OUT=40mA to 0mA)

HT7350-7 (V_IN=7.0V, I_OUT=40mA to 0mA)

Line Trasient Response: HT7333-7 (I_OUT=10mA)

Line Trasient Response: HT7350-7 (I_OUT=10mA)

Line Trasient Response: HT7333-7 (I_OUT=10mA)

Line Trasient Response: HT7350-7 (I_OUT=10mA)

Rev. 1.30

April 15, 2016

HT73xx-7

TestꢀCondition:ꢀV_IN=V_OUT+2V,ꢀV_CE=V_IN,ꢀI_OUT=10mA,ꢀC_IN=10μF,ꢀC_OUT=10μFꢀandꢀTa=25ºC,ꢀunlessꢀotherwiseꢀnoted.

Line Trasient Response: HT7333-7 (I_OUT=10mA)

Line Trasient Response: HT7350-7 (I_OUT=10mA)

Line Trasient Response: HT7333-7 (I_OUT=10mA)

Line Trasient Response: HT7350-7 (I_OUT=10mA)

Power On Response:

HT7333-7 (I_OUT=0mA,V_CE=0V to 2.7V)

HT7350-7 (I_OUT=0mA,V_CE=0V to 2.7V)

Power Off Response:

HT7333-7 (I_OUT=0mA,V_CE=2.7V to 0V)

HT7350-7 (I_OUT=0mA,V_CE=2.7V to 0V)

Rev. 1.30

April 15, 2016

HT73xx-7

TestꢀCondition:ꢀV_IN=V_OUT+2V,ꢀV_CE=V_IN,ꢀI_OUT=10mA,ꢀC_IN=10μF,ꢀC_OUT=10μFꢀandꢀTa=25ºC,ꢀunlessꢀotherwiseꢀnoted.

Power On Response:

HT7333-7 (I_OUT=250mA,V_CE=0V to 2.7V)

HT7350-7 (I_OUT=250mA,V_CE=0V to 2.7V)

Power Off Response:

HT7333-7 (I_OUT=250mA,V_CE=2.7V to 0V)

HT7350-7 (I_OUT=250mA,V_CE=2.7V to 0V)

Power On Response:

HT7333-7 (I_OUT=0mA, T_RISE=0.1ms)

HT7350-7 (I_OUT=0mA, T_RISE=0.1ms)

Power Off Response:

HT7333-7 (I_OUT=0mA, T_FALL=0.1ms)

HT7350-7 (I_OUT=0mA, T_FALL=0.1ms)

Rev. 1.30

April 15, 2016

HT73xx-7

TestꢀCondition:ꢀV_IN=V_OUT+2V,ꢀV_CE=V_IN,ꢀI_OUT=10mA,ꢀC_IN=10μF,ꢀC_OUT=10μFꢀandꢀTa=25ºC,ꢀunlessꢀotherwiseꢀnoted.

Power On Response:

HT7333-7 (I_OUT=0mA, T_RISE=100ms)

HT7350-7 (I_OUT=0mA, T_RISE=100ms)

Power Off Response:

HT7333-7 (I_OUT=0mA, T_FALL=100ms)

HT7350-7 (I_OUT=0mA, T_FALL=100ms)

Power On Response:

HT7333-7 (I_OUT=250mA, T_RISE=0.1ms)

HT7350-7 (I_OUT=250mA, T_RISE=0.1ms)

Power Off Response:

HT7333-7 (I_OUT=250mA, T_FALL=0.1ms)

HT7350-7 (I_OUT=250mA, T_FALL=0.1ms)

Rev. 1.30

April 15, 2016

HT73xx-7

TestꢀCondition:ꢀV_IN=V_OUT+2V,ꢀV_CE=V_IN,ꢀI_OUT=10mA,ꢀC_IN=10μF,ꢀC_OUT=10μFꢀandꢀTa=25ºC,ꢀunlessꢀotherwiseꢀnoted.

Power On Response:

HT7333-7 (I_OUT=250mA, T_RISE=100ms)

HT7350-7 (I_OUT=250mA, T_RISE=100ms)

Power Off Response:

HT7333-7 (I_OUT=250mA, T_FALL=100ms)

HT7350-7 (I_OUT=250mA, T_FALL=100ms)

Rev. 1.30

April 15, 2016

HT73xx-7

Application Information

WhenꢀusingꢀtheꢀHT73xx-7ꢀregulators,ꢀitꢀisꢀimportantꢀ

thatꢀtheꢀfollowingꢀapplicationꢀpointsꢀareꢀnotedꢀifꢀ

correctꢀoperationꢀisꢀtoꢀbeꢀachieved.

1.0

0.8

0.6

0.4

0.2

0.8W

8SOP-EP

0.5W

External Circuit

SOT89-3, TO92-3

Itꢀisꢀimportantꢀthatꢀexternalꢀcapacitorsꢀareꢀconnectedꢀ

toꢀbothꢀtheꢀinputꢀandꢀoutputꢀpins.ꢀForꢀtheꢀinputꢀpinꢀ

suitableꢀbypassꢀcapacitorsꢀasꢀshownꢀinꢀtheꢀapplicationꢀ

circuitsꢀshouldꢀbeꢀconnectedꢀespeciallyꢀinꢀsituationsꢀ

whereꢀaꢀbatteryꢀpowerꢀsourceꢀisꢀusedꢀwhichꢀmayꢀhaveꢀ

aꢀhigherꢀimpedance.ꢀForꢀtheꢀoutputꢀpin,ꢀaꢀsuitableꢀ

capacitorꢀshouldꢀalsoꢀbeꢀconnectedꢀespeciallyꢀinꢀ

situationsꢀwhereꢀtheꢀloadꢀisꢀofꢀaꢀtransientꢀnature,ꢀinꢀ

whichꢀcaseꢀlargerꢀcapacitorꢀvaluesꢀshouldꢀbeꢀselectedꢀ

toꢀlimitꢀanyꢀoutputꢀtransientꢀvoltages.ꢀ

100

125

150

Ambient Temperature (^oC)

Power Dissipation Calculation

Inꢀorderꢀtoꢀkeepꢀtheꢀdeviceꢀwithinꢀitsꢀoperatingꢀlimitsꢀ

andꢀtoꢀmaintainꢀaꢀregulatedꢀoutputꢀvoltage,ꢀtheꢀpowerꢀ

dissipationꢀofꢀtheꢀdevice,ꢀgivenꢀbyꢀP_D,ꢀmustꢀnotꢀ

exceedꢀtheꢀMaximumꢀPowerꢀDissipation,ꢀgivenꢀbyꢀ

P_D(MAX).ꢀThereforeꢀP_Dꢀ≤ꢀP_D(MAX).ꢀFromꢀtheꢀdiagramꢀitꢀ

canꢀbeꢀseenꢀthatꢀalmostꢀallꢀofꢀthisꢀpowerꢀisꢀgeneratedꢀ

acrossꢀtheꢀpassꢀtransistorꢀwhichꢀisꢀactingꢀlikeꢀaꢀ

variableꢀresistorꢀinꢀseriesꢀwithꢀtheꢀloadꢀtoꢀkeepꢀtheꢀ

outputꢀvoltageꢀconstant.ꢀThisꢀgeneratedꢀpowerꢀwhichꢀ

willꢀappearꢀasꢀheat,ꢀmustꢀneverꢀallowꢀtheꢀdeviceꢀtoꢀ

exceedꢀitsꢀmaximumꢀjunctionꢀtemperature.

Thermal Considerations

Theꢀmaximumꢀpowerꢀdissipationꢀdependsꢀonꢀtheꢀ

thermalꢀresistanceꢀofꢀtheꢀpackage,ꢀtheꢀPCBꢀlayout,ꢀ

theꢀrateꢀofꢀtheꢀsurroundingꢀairﬂowꢀandꢀtheꢀdifferenceꢀ

betweenꢀtheꢀjunctionꢀandꢀambientꢀtemperature.ꢀTheꢀ

maximumꢀpowerꢀdissipationꢀcanꢀbeꢀcalculatedꢀusingꢀ

theꢀfollowingꢀformula:ꢀ

Inꢀpracticalꢀapplicationsꢀtheꢀregulatorꢀmayꢀbeꢀcalledꢀ

uponꢀtoꢀprovideꢀbothꢀsteadyꢀstateꢀandꢀtransientꢀ

currentsꢀdueꢀtoꢀtheꢀtransientꢀnatureꢀofꢀtheꢀload.ꢀ

Althoughꢀtheꢀdeviceꢀmayꢀbeꢀworkingꢀwellꢀwithinꢀitsꢀ

limitsꢀwithꢀitsꢀsteadyꢀstateꢀcurrent,ꢀcareꢀmustꢀbeꢀtakenꢀ

withꢀtransientꢀloadsꢀwhichꢀmayꢀcauseꢀtheꢀcurrentꢀtoꢀ

riseꢀcloseꢀtoꢀitsꢀmaximumꢀcurrentꢀvalue.ꢀCareꢀmustꢀ

beꢀtakenꢀwithꢀtransientꢀloadsꢀandꢀcurrentsꢀasꢀthisꢀwillꢀ

resultꢀinꢀdeviceꢀjunctionꢀtemperatureꢀrisesꢀwhichꢀmustꢀ

notꢀexceedꢀtheꢀmaximumꢀjunctionꢀtemperature.ꢀWithꢀ

bothꢀsteadyꢀstateꢀandꢀtransientꢀcurrents,ꢀtheꢀimportantꢀ

currentꢀtoꢀconsiderꢀisꢀtheꢀaverageꢀorꢀmoreꢀpreciselyꢀ

theꢀRMSꢀcurrentꢀwhichꢀisꢀtheꢀvalueꢀofꢀcurrentꢀthatꢀwillꢀ

appearꢀasꢀheatꢀgeneratedꢀinꢀtheꢀdevice.ꢀTheꢀfollowingꢀ

diagramꢀshowsꢀhowꢀtheꢀaverageꢀcurrentꢀrelatesꢀtoꢀtheꢀ

transientꢀcurrents.

P_D(MAX)ꢀ=ꢀ(T_J(MAX)ꢀ–ꢀT_a)ꢀ/ꢀθ_JAꢀ

whereꢀT_J(MAX)ꢀisꢀtheꢀmaximumꢀjunctionꢀtemperature,ꢀ

T_aꢀisꢀtheꢀambientꢀtemperatureꢀandꢀθ_JAꢀisꢀtheꢀjunction-

to-ambientꢀthermalꢀresistanceꢀofꢀtheꢀICꢀpackageꢀinꢀ

degreesꢀperꢀwatt.ꢀTheꢀfollowingꢀtableꢀshowsꢀtheꢀθ_JAꢀ

valuesꢀforꢀvariousꢀpackageꢀtypes.

Package

SOT89-3

TO92-3

θ_JAvalue °C/W

200°C/W

8SOP-EP

125°C/W

Forꢀmaximumꢀoperatingꢀ ratingꢀconditions,ꢀtheꢀ

maximumꢀjunctionꢀtemperatureꢀisꢀ150°C.ꢀHowever,ꢀ

itꢀisꢀrecommendedꢀthatꢀtheꢀmaximumꢀjunctionꢀ

temperatureꢀdoesꢀnotꢀexceedꢀ125°Cꢀduringꢀnormalꢀ

operationꢀtoꢀmaintainꢀanꢀadequateꢀmarginꢀforꢀdeviceꢀ

reliability.ꢀTheꢀderatingꢀcurvesꢀofꢀdifferentꢀpackagesꢀ

forꢀmaximumꢀpowerꢀdissipationꢀareꢀasꢀfollows:

I_LOAD

I_LOAD(AVG)

Time

Rev. 1.30

April 15, 2016

HT73xx-7

Asꢀtheꢀquiescentꢀcurrentꢀofꢀtheꢀdeviceꢀisꢀveryꢀsmallꢀitꢀcanꢀgenerallyꢀbeꢀignoredꢀandꢀasꢀaꢀresultꢀtheꢀinputꢀcurrentꢀcanꢀ

beꢀassumedꢀtoꢀbeꢀequalꢀtoꢀtheꢀoutputꢀcurrent.ꢀThereforeꢀtheꢀpowerꢀdissipationꢀofꢀtheꢀdevice,ꢀP_D,_ꢀcanꢀbeꢀcalculatedꢀasꢀ

theꢀvoltageꢀdropꢀacrossꢀtheꢀinputꢀandꢀoutputꢀmultipliedꢀbyꢀtheꢀcurrent,ꢀgivenꢀbyꢀtheꢀequation,ꢀP_Dꢀ=ꢀ(V_INꢀ–ꢀV_OUT)ꢀꢀ×ꢀI_IN.ꢀ

_ꢀAsꢀtheꢀinputꢀcurrentꢀisꢀalsoꢀequalꢀtoꢀtheꢀloadꢀcurrentꢀtheꢀpowerꢀdissipationꢀP_Dꢀ=ꢀ(V_INꢀ–ꢀV_OUT)ꢀ×ꢀI_LOAD._ꢀHowever,ꢀ

withꢀtransientꢀloadꢀcurrents,ꢀP_Dꢀ=ꢀ(V_INꢀ–ꢀV_OUT)ꢀ×ꢀI_LOAD(AVG)ꢀasꢀshownꢀinꢀtheꢀﬁgure.ꢀ

I_IN

VIN

OUT

V_IN

V_OUT

I_LOAD

Vref

Vfb

GND

Common

Application Circuits

Basic Circuits

V_IN

V_CE

V_OUT

V_IN

V_OUT

HT73xx-7

Series

10μF

OFF

0.1μF

10μF

0.1μF

GND

Common

High Output Current Positive Voltage Regulator

TR1

V_IN

V_OUT

V_IN

V_OUT

HT73xx-7

Series

V_CE

OFF

10μF

0.1μF

10μF

0.1μF

GND

Common

Rev. 1.30

April 15, 2016

HT73xx-7

Circuit for Increasing Output Voltage

V_IN

V_OUT

V_IN

V_OUT

HT73xx-7

Series

V_CE

OFF

10μF

0.1μF

10μF

0.1μF

GND

I_SS

V_OUT= V_xx×(1+R2/R1) + I_SS×R2

Common

Circuit for Increasing Output Voltage

V_IN

V_OUT

V_IN

V_OUT

HT73xx-7

Series

V_CE

OFF

0.1μF

10μF

0.1μF

GND

I_SS

V_OUT= V_xx+ V_D1

Common

Constant Current Regulator

V_IN

V_OUT

V_IN

HT73xx-7

Series

V_CE

OFF

0.1μF

10μF

0.1μF

GND

I_SS

I_OUT

I_OUT= V_xx/ RA + I_SS

Common

Rev. 1.30

April 15, 2016

HT73xx-7

Dual Supply

V_IN

V_OUT

V_IN

V_OUT

HT73xx-7

Series

V_CE

OFF

10μF

0.1μF

GND

V_OUT

V_IN

V_OUT

V_CE

HT73xx-7

Series

OFF

0.1μF

0.1μF 10μF

10μF

GND

Common

Rev. 1.30

April 15, 2016

HT73xx-7

Package Information

Noteꢀthatꢀtheꢀpackageꢀinformationꢀprovidedꢀhereꢀisꢀforꢀconsultationꢀpurposesꢀonly.ꢀAsꢀthisꢀinformationꢀmayꢀbeꢀ

updatedꢀatꢀregularꢀintervalsꢀusersꢀareꢀremindedꢀtoꢀconsultꢀtheꢀHoltekꢀwebsiteꢀforꢀtheꢀlatestꢀversionꢀofꢀtheꢀPackage/

CartonꢀInformation.

Additionalꢀsupplementaryꢀinformationꢀwithꢀregardꢀtoꢀpackagingꢀisꢀlistedꢀbelow.ꢀClickꢀonꢀtheꢀrelevantꢀsectionꢀtoꢀbeꢀ

transferredꢀtoꢀtheꢀrelevantꢀwebsiteꢀpage.

• FurtherꢀPackageꢀInformationꢀ(includeꢀOutlineꢀDimensions,ꢀProductꢀTapeꢀandꢀReelꢀSpeciﬁcations)

• PackingꢀMeterialsꢀInformation

• Cartonꢀinformation

Rev. 1.30

April 15, 2016

HT73xx-7

8-pin SOP-EP Outline Dimensions

)

ꢁ

ꢀ

Dimensions in inch

Symbol

Min.

—

Nom.

Max.

0.236 BSC

—

0.154 BSC

0.012

—

0.020

—

0.193 BSC

—

0.069

—

0.059

—

0.050 BSC

—

0.039

0.004

0.016

0.004

0°

—

0.010

0.050

0.010

8°

Dimensions in mm

Symbol

Min.

—

Nom.

Max.

—

6.00 BSC

—

3.90 BSC

—

0.31

—

0.51

—

4.90 BSC

—

1.75

—

1.50

—

1.27 BSC

—

1.00

0.10

0.40

0.10

0°

—

0.25

1.27

0.25

8°

Rev. 1.30

April 15, 2016

HT73xx-7

3-pin SOT89-3 Outline Dimensions

Dimensions in inch

Symbol

Min.

Nom.

Max.

0.173

0.053

0.090

0.035

0.155

0.014

0.017

—

0.181

0.072

0.102

0.047

0.167

0.019

0.022

—

0.059 BSC

0.055

0.014

—

0.063

0.017

Dimensions in mm

Symbol

Min.

4.40

1.35

2.29

0.89

3.94

0.36

0.44

—

Nom.

Max.

4.60

1.83

2.60

1.20

4.25

0.48

0.56

—

1.50 BSC

—

1.40

0.35

1.60

0.44

—

Rev. 1.30

April 15, 2016

HT73xx-7

3-pin TO92-3 Outline Dimensions

)

Dimensions in inch

Symbol

Min.

Nom.

0.180

Max.

0.173

0.170

0.500

—

0.205

0.210

—

0.580

0.015 BSC

0.010 BSC

0.050 BSC

0.035 BSC

0.142

—

0.125

0.165

Dimensions in mm

Symbol

Min.

4.39

4.32

12.70

—

Nom.

4.57

Max.

5.21

5.33

—

14.73

0.38 BSC

2.54 BSC

1.27 BSC

0.89 BSC

3.61

—

3.18

4.19

Rev. 1.30

April 15, 2016

HT73xx-7

The information appearing in this Data Sheet is believed to be accurate at the time

of publication. However, Holtek assumes no responsibility arising from the use of

the speciﬁcations described. The applications mentioned herein are used solely

for the purpose of illustration and Holtek makes no warranty or representation that

such applications will be suitable without further modification, nor recommends

the use of its products for application that may present a risk to human life due to

malfunction or otherwise. Holtek's products are not authorized for use as critical

components in life support devices or systems. Holtek reserves the right to alter

its products without prior notiﬁcation. For the most up-to-date information, please

visit our web site at http://www.holtek.com.tw/en/home.

Rev. 1.30

April 15, 2016

HT7325-7 [HOLTEK]

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