ADP124ARHZ-2.9-R7 datasheet(3/20 Pages) AD

3 / 20 page

ADP124/ADP125

Rev. 0 | Page 3 of

SPECIFICATIONS

Unless otherwise noted, VIN = (VOUT + 0.5 V) or 2.3 V, whichever is greater; ADJ connected to VOUT; IOUT = 10 mA; CIN = 1.0 μF;

COUT = 1.0 μF; TA = 25°C.

Table 1.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

INPUT VOLTAGE RANGE

VIN

2.3

5.5

OPERATING SUPPLY CURRENT1

IGND

IOUT = 0 μA

μA

IOUT = 0 μA, TJ = −40°C to +125°C

105

μA

IOUT = 1 mA

μA

IOUT = 1 mA, TJ = −40°C to +125°C

120

μA

IOUT = 250 mA

160

μA

IOUT = 250 mA, TJ = −40°C to +125°C

210

μA

IOUT = 500 mA

210

μA

IOUT = 500 mA, TJ = −40°C to +125°C

280

μA

SHUTDOWN CURRENT

ISD

EN = GND

0.1

μA

EN = GND, TJ = −40°C to +125°C

μA

OUTPUT VOLTAGE ACCURACY2

VOUT

Fixed Output

IOUT = 10 mA

−1

100 μA < IOUT < 500 mA, VIN = (VOUT + 0.5 V) to 5.5 V,

TJ = −40°C to +125°C

−2

+1.5

Adjustable Output

IOUT = 10 mA

0.495

0.500

0.505

100 μA < IOUT < 500 mA, VIN = 2.3 V to 5.5 V,

TJ = −40°C to +125°C

0.485

0.500

0.515

LINE REGULATION

∆VOUT/∆VIN

VIN = VIN = 2.3 V to 5.5 V, TJ = −40°C to +125°C

−0.05

+0.05

%/V

LOAD REGULATION3

∆VOUT/∆IOUT

IOUT = 1 mA to 500 mA

0.0005

%/mA

IOUT = 1 mA to 500 mA, TJ = −40°C to +125°C

0.001

%/mA

ADJ INPUT BIAS CURRENT

ADJI-BIAS

2.3 V ≤ VIN ≤ 5.5 V, ADJ connected to VOUT

DROPOUT VOLTAGE4

VDROPOUT

IOUT = 10 mA, VOUT > 2.3 V

IOUT = 10 mA, TJ = −40°C to +125°C

IOUT = 250 mA, VOUT > 2.3 V

IOUT = 250 mA, TJ = −40°C to +125°C

120

IOUT = 500 mA, VOUT > 2.3V

130

IOUT = 500 mA, TJ = −40°C to +125°C

230

START-UP TIME5

tSTART-UP

VOUT = 3.0 V

350

μs

CURRENT LIMIT THRESHOLD6

ILIMIT

550

750

1000

THERMAL SHUTDOWN

Thermal Shutdown Threshold

TSSD

TJ rising

150

°C

Thermal Shutdown Hysteresis

TSSD-HYS

°C

EN INPUT

EN Input Logic High

VIH

2.3 V ≤ VIN ≤ 5.5 V

1.2

EN Input Logic Low

VIL

2.3 V ≤ VIN ≤ 5.5 V

0.4

EN Input Leakage Current

VI-LEAKAGE

EN = VIN or GND

0.1

μA

EN = VIN or GND, TJ = −40°C to +125°C

μA

UNDERVOLTAGE LOCKOUT

UVLO

Input Voltage Rising

UVLORISE

TJ = −40°C to +125°C

2.1

Input Voltage Falling

UVLOFALL

TJ = −40°C to +125°C

1.5

Hysteresis

UVLOHYS

TA = 25°C

125

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