AP2115 datasheet(5/16 Pages) BCDSEMI

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300mA FIXED OUTPUT VOLTAGE LDO REGULATOR

AP2115

Preliminary Datasheet

Oct. 2005 Rev. 1. 0

BCD Semiconductor Manufacturing Limited

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Output Voltage

VOUT

1mA

≤ I

OUT≤ 30mA

1.764

1.8

1.836

Output Current

IOUT

300

Current Limit

500

Quiescent Current

150

µA

Ground Pin Current

IGND

IOUT=300mA

150

µA

Dropout Voltage

(Note 4)

VDROP

IOUT=1mA

400

600

IOUT=50mA

400

600

IOUT=200mA

400

600

IOUT=300mA

600

900

Load Regulation

VRLOAD

1mA

≤ I

OUT≤ 300mA

7.2

Line Regulation

VRLINE

VOUT+0.5V≤VIN≤ 6V

IOUT=30mA

415

CE/CE Input High

Threshold

VIH

1.5

CE/CE Input Low

Threshold

VIL

0.4

CE/CE Bias Current

ISD

100

Shutdown Supply Current

IGSD

VOUT=0V

0.1

µA

Thermal Shutdown

Temperature

TSD

165

Power Supply

Ripple Rejection

PSRR

Ripple 0.5VP-P

f=1kHz, IOUT=30mA

Output Voltage Temperature

Coefficient

∆V

OUT/∆TIOUT=30mA

-40oC

≤T

J≤ 125

180

µV/oC

Short Current Limit

ILIMIT

VOUT=0V

450

Turn-on Time (Note 5)

TON

µs

RMS Output Noise

VNOISE

TA=25

10Hz

≤f≤100kHz

200

µVrms

VIN=VOUT+1V, TA=25

oC, C

IN=1µF, CL=1µF, unless otherwise specified.

Electrical Characteristics

AP2115-1.8V Electrical Characteristics

Note 4: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 98% of its nominal

value which is measured at VOUT+1V applied to VIN. The 1.8V version dropout voltage is limited by the input voltage range.

Note 5: Turn-on time is time measured between the enable input just exceeding VIH and the output voltage just reaching 95%

of its nominal value.

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