AP7335A datasheet(4/12 Pages) DIODES

4 / 12 page

AP7335A

300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT

LOW DROPOUT LINEAR REGULATOR

AP7335A

Document number: DS35267 Rev. 2 - 2

4 of 12

www.diodes.com

July 2011

Electrical Characteristics

(TA = 25

oC, VIN = 5.5 to 6V, CIN = 1μF, COUT = 1μF, VEN = 2V, unless otherwise stated)

Symbol

Parameter

Test Conditions

Min

Typ.

Max

Unit

VOUT

Output Voltage Accuracy

TA = -40

oC to 85oC,

IOUT = 10% of IOUT-Max

-1

ΔVOUT

ΔVIN/V

Line Regulation

VIN = 5.5V to 6V,

VEN = VIN, IOUT = 1mA

0.02

0.20

%/V

ΔVOUT

/VOUT

Load Regulation

VIN = 5.5V to 6V,

IOUT = 1mA to 300mA

-0.6

0.6

VDROPOUT Dropout Voltage (Note 4)

IOUT = 300mA

150

200

Input Quiescent Current

VEN = VIN, IOUT = 0mA

μA

ISHDN

Input Shutdown Current

VEN = 0V, IOUT = 0mA

0.1

μA

ILEAK

Input Leakage Current

VEN = 0V, OUT grounded

0.1

μA

tST

Start-up Time

VEN = 0V to 2.0V in 1μs,

IOUT = 300mA

220

μs

PSRR

VIN = 5.5VDC + 0.5VppAC,

f = 1kHz, IOUT = 50mA

ISHORT

Short-circuit Current

VIN = VIN-Min to VIN-Max,

VOUT < 0.2V (fixed) or

160

ILIMIT

Current limit

VIN = VIN-Min to VIN-Max,

VOUT/ROUT = 1.2A

400

650

VIL

EN Input Logic Low Voltage

VIN = VIN-Min to VIN-Max

0.4

VIH

EN Input Logic High Voltage

VIN = VIN-Min to VIN-Max

1.4

IEN

EN Input Current

VIN = 0V or VIN-Max

-1

μA

TSHDN

Thermal shutdown threshold

145

°C

THYS

Thermal shutdown hysteresis

°C

θJA

Thermal Resistance Junction-to-Ambient

SOT25 (Note 5)

187

oC/W

DFN2020-6 (Note 5)

251

Notes:

4. Dropout voltage is the voltage difference between the input and the output at which the output voltage drops 1% below its nominal value.

5. Test condition for all packages: Device mounted on FR-4 substrate PC board, 1oz copper, with minimum recommended pad layout.

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