AP7217 datasheet(4/10 Pages) DIODES

4 / 10 page

AP7217

500mA CMOS LDO

AP7217

Document number: DS31292 Rev. 4 - 2

4 of 10

www.diodes.com

April 2010

Electrical Characteristics (VIN = 12V, TA = +25°C, unless otherwise noted)

(TA = 25°C, CIN = 1µF, COUT = 1µF, VEN = VIN, unless otherwise noted)

Symbol

Parameter

Test Conditions

Min

Typ.

Max

Unit

Quiescent Current

IO = 0mA

μA

ISTB

Standby Current

VEN = Off

VIN = 5.0V

μA

VROUT

Output Voltage Accuracy IO = 30mA, VIN = 5V

3.234

3.300

3.366

VROUT Temperature

Coefficient

-40

°C to 85°C, I

OUT = 30mA

±100

ppm /

VDROPOUT

Dropout Voltage

IOUT = 100mA

100

250

IOUT

Maximum Output

Current

VIN = 5.3V

500

ILIMIT

Current Limit

VIN = 5.3V

600

Ishort

Short Circuit Current

VIN = 5.3V

ΔV

LINE/ΔVIN/VROUT

Line Regulation

4.3V

≤ V

IN ≤ 5.5V; IOUT = 30mA

0.01

±0.2

%/V

ΔVR

OUT

Load Regulation

1mA

≤ I

OUT ≤ 100mA, VIN = 5.3V

PSRR

Power Supply Rejection

VIN = 4.3V+ 0.5Vp-

pAC,

IOUT = 50mA

F= 1KHz

VEH

EN Input Threshold

Output ON

1.6

VEL

Output OFF

0.25

IEN

Enable Pin Current

-0.1

0.1

μA

VDF

Detect fall voltage

3.83

3.91

3.98

VHysteresis

VD Hysteresis Range

VDF

x1.02

VDF

x1.05

VDF

x1.08

IVDOUT

VD Supply Current

VDOUT = 0.5V

VIN = 2.0V

3.0V

tRP

VDOUT Delay Time

VIN = 1.8V to VDF+ 1V

mSec

Thermal Resistance

Junction to Ambient

SOP-8L (Note 2)

134

ºC/W

Thermal Resistance

Junction to Case

SOP-8L (Note 2)

ºC/W

Notes:

2. Test conditions for SOP-8L: Devices mounted on FR-4 PC board, MRP, 2oz copper layout, calibrate at TJ=150 ºC, measure at

TA=25ºC, minimum recommended pad layout

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