AP2129

Document number: DS41213 Rev. 2 - 2

6 of 13

www.diodes.com

July 2018

© Diodes Incorporated

AP2129

Electrical Characteristics (Cont.)

AP2129-ADJ Electrical Characteristics (@CIN =1µF, COUT = 1µF, Bold type applies over -40°C  TJ  +85°C, unless

otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VREF

Reference Voltage

VIN = 1.8V

1mA

 IOUT  300mA

0.748

0.8

0.816

V

VIN

Input Voltage

—

1.8

—

6

V

IOUT(MAX)

Maximum Output

Current

—

—

450

—

mA

∆VOUT/(∆IOUT*VOUT)

Load Regulation

VIN-VOUT = 1V, 1mA  IOUT  300mA

—

—

1.5

%/A

∆VOUT

/

(∆VIN*VOUT)

Line Regulation

VOUT +0.5V  VIN  6V, IOUT = 30mA

—

—

0.06

%/V

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 Ratio

Ripple 1Vp-p,

VIN = VOUT +1V

f = 100Hz

—

65

—

dB

f = 1kHz

—

65

—

dB

f = 10kHz

—

45

—

dB

(

∆VOUT/VOUT)

/

∆T

Output Voltage

Temperature Coefficient

IOUT = 30mA, -40°C  TJ  +85°C

—

±100

—

ppm/°C

ILIMIT

Output Current Limit

—

—

400

—

mA

ISHORT

Short Current Limit

VOUT = 0V

—

50

—

mA

tUP

Soft Start Time

—

—

50

—

µs

VNOISE

RMS Output Noise

TA = +25°C, 10Hz  f  100kHz

—

60

—

µVrms

—

Shutdown "High"

Voltage

Shutdown Input Voltage "High"

1.5

—

6

V

—

Shutdown "Low" Voltage

Shutdown Input Voltage "Low"

0

—

0.4

V

—

VOUT Discharge

MOSFET RDS(ON)

Shutdown Input Voltage "Low"

—

60

—



—

Shutdown Pull Down

Resistance

—

—

3

—

M



—

Thermal Shutdown

—

—

+165

—

°C

—

Thermal Shutdown

Hysteresis

—

—

+30

—

°C

θJC

Thermal Resistance

DFN-1.5x2-6

—

20

—

°C/W

SOT-23-5

—

150

—