AP2126

Document number: DS39758 Rev. 2 - 2

3 of 9

www.diodes.com

May 2017

© Diodes Incorporated

AP2126

Recommended Operating Conditions

Symbol

Parameter

Min

Max

Unit

VIN

Input Voltage

3.0

6

V

TA

Operating Ambient Temperature Range

-40

+85

°C

Electrical Characteristics (AP2126-ADJ, VIN min = 3.0V, CIN = 1µF, COUT = 1µF, unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VREF

Reference Voltage

VIN = 3.0V, 1mA ≤IOUT ≤300mA

1.225

1.25

1.275

V

VIN

Input Voltage

—

3.0

—

6

V

IOUT(MAX)

Maximum Output Current

VIN = 3.0V, VOUT = 98% xVOUT

300

400

—

mA

VOUT

/(

IOUT*VOUT)

Load Regulation

VIN = 3.0V, 1mA ≤ IOUT ≤ 300mA

—

—

0.6

%/A

VOUT

/(

VIN*VOUT)

Line Regulation

VIN = 3.0V to 6V, IOUT = 30mA

—

—

0.06

%/V

IQ

Quiescent Current

VIN = 3.0V, IOUT = 0mA

—

60

90

µA

ISTD

Standby Current

VIN = 3.0V, VShutdown in Off Mode

—

0.1

1.0

µA

PSRR

Power Supply Rejection Ratio

Ripple 1Vp-p

VIN = 3.5V

f = 100Hz

—

68

—

dB

f = 1kHz

—

68

—

dB

f = 10kHz

—

54

—

dB

(

VOUT/VOUT)

/

T

Output Voltage

Temperature Coefficient

IOUT = 30mA, -40°C  TA  +85°C

—

±100

—

ppm/°C

ISHORT

Short Current Limit

VOUT = 0V

—

50

—

mA

tUP

Soft Start Time

—

—

50

—

µs

VNOISE

RMS Output Noise

TA = +25°C, 10Hz ≤ f ≤ 100kHz,

VOUT = 1.25V

—

80

—

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

—

Ω



—

Shutdown Pull Down Resistance

—

—

3

—

M

Ω

—

Thermal Shutdown

—

—

+165

—

°C

—

Thermal Shutdown Hysteresis

—

—

+30

—

°C

JC

Thermal Resistance

SOT-23-5

—

150

—

°C/W