HT7144-3 datasheet(4/15 Pages) HOLTEK

Part #	HT7144-3

Description	30mA TinyPowerTM LDO

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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4 / 15 page

Rev. 1.10

4

March 19, 2014

HT71xx-3

HT7125-3, +2.5V Output Type

Ta=25°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VIN

Conditions

VIN

Input Voltage

—

30

V

VOUT

Output Voltage

4.5V IOUT=10mA

2.45

2.500

2.55

V

IOUT

Output Current

4.5V

—

20

30

—

mA

∆VOUT

Load Regulation

4.5V 1mA≤IOUT≤20mA

—

15

45

mV

VDIF

Dropout Voltage (Note)

— IOUT=1mA, ∆VOUT=2%

—

35

100

mV

ISS

Quiescent Current

4.5V No load

—

1

1.5

µA

D V OU T

D V IN ´ V OU T

Line Regulation

— 3.5V≤VIN≤30V, IOUT=1mA

—

0.1

0.2

%/V

D V OU T

D T a ´ V OU T

Temperature Coefficient

4.5V IOUT=10mA, -40°C<Ta<85°C

—

±100

—

ppm/°C

Note:Dropoutvoltageisdefinedastheinputvoltageminustheoutputvoltagethatproducesa2%changeinthe

outputvoltagefromthevalueatVIN=VOUT+2Vwithafixedload.

HT7127-3, +2.7V Output Type

Ta=25°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VIN

Conditions

VIN

Input Voltage

—

30

V

VOUT

Output Voltage

4.7V IOUT=10mA

2.646

2.700

2.754

V

IOUT

Output Current

4.7V

—

20

30

—

mA

∆VOUT

Load Regulation

4.7V 1mA≤IOUT≤20mA

—

15

45

mV

VDIF

Dropout Voltage (Note)

— IOUT=1mA, ∆VOUT=2%

—

35

100

mV

ISS

Quiescent Current

4.7V No load

—

1

1.5

µA

D V OU T

D V IN ´ V OU T

Line Regulation

— 3.7V≤VIN≤30V, IOUT=1mA

—

0.1

0.2

%/V

D V OU T

D T a ´ V OU T

Temperature Coefficient

4.7V IOUT=10mA, -40°C<Ta<85°C

—

±100

—

ppm/°C

Note:Dropoutvoltageisdefinedastheinputvoltageminustheoutputvoltagethatproducesa2%changeinthe

outputvoltagefromthevalueatVIN=VOUT+2Vwithafixedload.

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HT7144-3 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

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