AP7342 datasheet(4/14 Pages) DIODES

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AP7342

Document number: DS37614 Rev. 2 - 2

4 of 14

www.diodes.com

March 2015

AP7342

Electrical Characteristics

(@TA = +25°C, VIN = VOUT+1V (VOUT > 1.5V), VIN = 2.5V (VOUT ≤ 1.5V), IOUT = 1mA, CIN = COUT = 1.0µF, unless otherwise specified.)

Parameter

Conditions

Min

Typ

Max

Unit

Input Voltage

TA = -40°C to +85°C

1.7

–

5.25

Output Voltage Accuracy (Note 11)

VIN = (VOUT-Nom+1.0V) to

5.25V,

IOUT = 1mA to 150mA

TA = +25°C

-1

–

TA = -40°C to +85°C

-1.5

–

1.5

Line Regulation ( VOUT/ VIN/VOUT)

VIN = (VOUT-Nom+1.0V) to 5.25V, IOUT = 1.0mA

–

0.02

0.1

%/V

Load Regulation ( VOUT/ IOUT)

VIN = VOUT-Nom+1.0V, IOUT = 1mA to 150mA

–

Quiescent Current (Note 6)

Set EN1 high, set EN2 low, or set EN2 high,

set EN1 low, No load

–

µA

Set EN1/EN2 high, No load

–

100

µA

ISTANDBY

Set EN1/EN2 low, No load

–

0.1

1.0

µA

Output Current

–

300

–

Fold-back Short Current (Note 7)

VOUT short to ground

–

PSRR (Note 8)

VIN = (VOUT+1V) VDC +

0.2Vp-pAC,

VOUT ≥1.8V, IOUT = 30mA

f = 1kHz

–

Output Noise Voltage (Notes 8 & 9)

BW = 10Hz to 100kHz, IOUT = 30mA

–

µVrms

Dropout Voltage (Note 5)

IOUT = 150mA

VOUT ≤ 1.2V

–

0.48

0.59

1.2V < VOUT ≤ 1.4V

–

0.39

0.50

1.4V < VOUT ≤ 1.7V

–

0.35

0.44

1.7V < VOUT ≤ 2.1V

–

0.30

0.39

2.1V < VOUT ≤ 2.5V

–

0.26

0.34

2.5V < VOUT ≤ 3.0V

–

0.25

0.30

3.0V < VOUT ≤ 3.6V

–

0.22

0.29

Output Voltage Temperature Coefficient

IOUT = 30mA, TA = -40°C to +85°C

–

±30

–

ppm/°C

EN Input Low Voltage

–

0.5

EN Input High Voltage

–

1.3

–

5.25

EN Input Leakage

VEN = 0V, VIN = 5.0V or VEN = 5.0V, VIN = 0V

-1.0

–

1.0

µA

On Resistance of N-Channel for Auto-

Discharge (Note 10)

VIN = 4.0V, VEN = 0V

(Disabled)

D Version, Chanel 1 & 2

–

Notes:

5. Dropout voltage is the voltage difference between the input and the output at which the output voltage drops 2% below its nominal value.

6. Quiescent current is defined here is the difference in current between the input and the output.

7. Short circuit current is measured with VOUT pulled to GND.

8. This specification is guaranteed by design.

9. To make sure lowest environment noise minimizes the influence on noise measurement.

10. AP7342 has 2 options for output, built-in discharge and non-discharge

11. Potential multiple grades based on following output voltage accuracy.

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