AP2127

Document number: DS36478 Rev. 7 - 2

5 of 24

www.diodes.com

December 2017

© Diodes Incorporated

AP2127

Electrical Characteristics (VIN = 2.5V (for 0.8V to 1.8V voltage versions), VIN = VOUT +1V (for 2.5V to 4.75V voltage versions),

VIN = 6V @ VOUT = 4.75V, TA = +25°C, CIN = 1μF, COUT = 1μF, Bold typeface applies over -40°C ≤ TA ≤ +85°C, unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VREF

Reference Voltage

VIN = VOUT +1V

1mA ≤ IOUT ≤ 300mA

0.784

0.8

0.816

V

VOUT

Output Voltage

VIN = VOUT +1V

1mA ≤ IOUT ≤ 300mA

98% x

VOUT

—

102% x

VOUT

V

VIN

Input Voltage

—

2.5

—

6

V

IOUT(MAX)

Maximum Output Current

VIN - VOUT = 1V

VOUT = 0.98 x VOUT

300

400

—

mA

ΔVOUT

Load Regulation

VIN - VOUT = 1V

1mA ≤ IOUT ≤ 300mA

—

4

10

mV

ΔVOUT

Line Regulation

VOUT + 0.5V ≤ VIN ≤ 6V

IOUT = 30mA

—

0.5

5

mV

VDROP

Dropout Voltage

VOUT = 1.0V, IOUT = 300mA

—

1400

1500

mV

VOUT = 1.2V, IOUT = 300mA

—

1200

1300

VOUT = 1.5V, IOUT = 300mA

—

900

1000

VOUT = 1.8V, IOUT = 300mA

—

600

700

VOUT = 2.5V, 2.8V, 3.0V, 3.3V, 4.2V,

IOUT = 300mA

—

170

300

VOUT = 4.75V,

IOUT = 300mA

—

140

300

IQ

Quiescent Current

VIN = VOUT +1V, IOUT = 0mA

—

60

90

µA

ISTD

Standby Current

VIN = VOUT +1V

VSHUTDOWN in off mode

—

0.1

1.0

µA

PSRR

Power Supply Rejection

Ration

AP2127-1.0V to

4.2V, Ripple 1VP-P

VIN = VOUT +1V

f = 100Hz

—

68

—

dB

f = 1kHz

—

68

—

dB

f = 10kHz

—

54

—

dB

AP2127-4.75V,

Ripple 0.5VP-P

VIN = VOUT +1V

f = 100Hz

—

63

—

dB

f = 1kHz

—

63

—

dB

f = 10kHz

—

45

—

dB

ΔVOUT/VOUT

/

ΔT

Output Voltage Temperature

Coefficient

IOUT = 30mA, -40°C ≤ TA ≤ +85°C

—

±100

—

ppm/°C

ISHORT

Short Current Limit

VOUT = 0V

—

50

—

mA

tSS

Soft Start Time

–

—

50

—

µs

VNOISE

RMS Output Noise

TA = +25°C, 10Hz ≤ f ≤ 100kHz,

VOUT = 0.8V

—

60

—

µVRMS

—

Shutdown High Voltage

Shutdown Input Voltage High

1.5

—

—

V

—

Shutdown Low Voltage

Shutdown Input Voltage Low

—

—

0.5

V

—

VOUT Discharge MOSFET

RDS(ON)

Shutdown Input Voltage Low

—

60

—

Ω

—

Shutdown Pull Down

Resistance

—

—

3

—

MΩ

—

Thermal Shutdown

—

—

+165

—

°C

—

Thermal Shutdown Hysteresis

—

—

+30

—

θJC

Thermal Resistance

SOT-23

—

100

—

°C/W

SOT-23-3

—

150

—

SOT-23-5

—

150

—

SOT-89

—

75

—