AP2303 datasheet(4/15 Pages) DIODES

4 / 15 page

AP2303

Document number: DS36546 Rev. 3 - 2

4 of 15

www.diodes.com

September 2014

AP2303

A Product Line of

Diodes Incorporated

Electrical Characteristics (@TA = +25°C, VIN = 1.8V/1.5V/1.35V/1.2V, VCNTL = 3.3V, VREFEN = 0.9V/0.75V/0.675V/0.6V, CIN = 10µF

(Ceramic), COUT = 10µF (Ceramic), unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Input

IVCNTL

VCNTL Operating Current

No Load

–

0.5

1.5

ISD-VCNTL

VCNTL Input Current in Shutdown Mode

VREFEN < 0.15V

–

µA

ISD-VIN

VIN Input Current in Shutdown Mode

VREFEN < 0.15V

-1

–

µA

IVREFEN

VREFEN Leakage Current

VREFEN = 0.75V

-1

–

µA

Output

VOS

Output Offset Voltage (Note 7)

No Load

-10

VDROPOUT

Dropout Voltage

VCNTL = 3.3V, IOUT = 1A

–

220

–

VCNTL = 3.3V, IOUT = 1.5A

–

400

–

VCNTL = 3.3V, IOUT = 1.75A

–

520

–

VLOAD

Load Regulation

IOUT = 0A to 1.75A

-20

–

IOUT = 0A to -1.75A

-20

–

Protection

ILIMIT

Current Limit

Source

1.75

–

Sink

–

-1.75

ISHORT

Short Current

VOUT = 0V

–

VOUT = VIN

–

-2

–

TSHDN

Thermal Shutdown Temperature

3.3V

≤ VCNTL ≤ 5V

–

+160

–

°C

–

Thermal Shutdown Hysteresis

–

+30

–

°C

Start-up & Shutdown Function

VIH

VREFEN Shutdown Threshold Voltage

Output = High

0.4

–

VIL

Output = Low

–

0.15

VCNTL-ON

VCNTL Shutdown Threshold Voltage

Output = High

2.9

–

VCNTL-OFF

Output = Low

–

2.2

VIN-ON

VIN Shutdown Threshold Voltage

Output = High

1.1

–

VIN-OFF

Output = Low

–

0.4

Note 7:

VOS is the voltage measurement defined as VOUT subtracted from VREFEN.

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