EUP8084-42-18JIR1 datasheet(6/23 Pages) EUTECH

Part #	EUP8084-42-18JIR1

Description	Complete Linear Battery Charger with Integrated Buck Converter and LDO

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Manufacturer	EUTECH [Eutech Microelectronics Inc]

Direct Link	http://www.eutechmicro.com

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EUP8084

DS8084 Ver1.0 Apr. 2008

6

Electrical Characteristics (VINB=3.6V; TA = -40℃ to 85℃, unless otherwise noted. Typical values are TA=25℃)

EUP8084

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Step-Down Converter

VEN(H)

Enable Threshold High

1.4

V

IEN

Input Low Current

VINB = VENB = 5.5V

-1

1

µA

Electrical Characteristics (VINA=VOUT(NOM) + 1V for VOUT options greater than 1.5V. IOUT = 1mA, COUT = 2.2µF,

CIN = 1µF, TA = -40℃ to 85℃, unless otherwise noted. Typical values are TA=25℃)

EUP8084

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Linear Regulator

VOUT

Output Voltage Tolerance

IOUTA = 100 µA to

300mA

TA = 25°C

-3

3

%

VIN

Input Voltage

VOUT +

VDO

5.5

V

VDO

Dropout Voltage

IOUTA = 300mA

150

200

mV

Δ

VOUT/

VOUT*ΔVIN

Line Regulation

VINA = VOUTA + 0.5 to 5.5V,

IOUTA = 1mA

0.05

0.2

%/V

Δ

VOUT(Load)

Dynamic Load Regulation

IOUTA = 1mA to 300mA

15

35

mV

IOUT

Output Current

VOUTA > 1.2V

300

mA

ISC

Short-Circuit Current

TA = -40℃ to 85℃

720

mA

IQ

Quiescent Current

VINA = 5V; ENA = VIN

84

140

µA

ISHDN

Shutdown Current

VINA = 5V; ENA = 0V

1

µA

PSRR

Power Supply Rejection Ratio

VIN =VOUT +1V

1kHz

65

dB

TSD

Over-Temperature Shutdown

Threshold

160

℃

THYS

Over-Temperature Shutdown

Hysteresis

25

℃

eN

Output Noise

IOUT=10mA,10Hz≦f≦100kHz

125

µVRMS

VEN(L)

Enable Threshold Low

0.4

V

VEN(H)

Enable Threshold High

1.6

V

IEN

Enable Input Current

VENA = 5.5V

100

nA

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EUP8084-42-18JIR1 Datasheet(PDF) 6 Page - Eutech Microelectronics Inc

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