ADP1741 datasheet(3/6 Pages) AD

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Preliminary Technical Data

ADP1740/ADP1741

Rev. PrA | Page 3 of 6

SPECIFICATIONS

VIN = (VOUT + 0.4 V) or 1.8 V (whichever is greater), IOUT = 10 mA, CIN = COUT = 4.7 μF, TA = 25°C, unless otherwise noted.

Table 1.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

INPUT VOLTAGE RANGE

VIN

TJ = −40°C to +125°C

1.6

3.6

OPERATING SUPPLY CURRENT

IGND

IOUT = 0 mA

μA

IOUT = 100 mA

500

μA

IOUT = 100 mA, TJ = −40°C to +125°C

TBD

μA

IOUT = 2 A

1.3

IOUT = 2 A, TJ = −40°C to +125°C

TBD

SHUTDOWN CURRENT

IGND-SD

EN = GND

μA

EN = GND, TJ = −40°C to +125°C

μA

OUTPUT VOLTAGE ACCURACY

VOUT

IOUT = 10 mA

−1

IOUT = 1 mA to 2 A

−1.5

+1.5

Fixed Output Voltage Accuracy

(ADP1740)

1 mA < IOUT < 2 A, TJ = −40°C to +125°C

−2.5

+2.5

VOUT

IOUT = 10 mA

0.743

0.75

0.758

IOUT = 1 mA to 2 A

0.739

0.761

Adjustable Output Voltage Accuracy

(ADP1741)1

1 mA < IOUT < 2 A, TJ = −40°C to +125°C

0.731

0.769

LINE REGULATION

∆VOUT/∆VIN

VIN = (VOUT + 0.4 V) to 3.6 V,

TJ = −40°C to +125°C

−0.1

+0.1

%/V

LOAD REGULATION2

∆VOUT/∆IOUT

IOUT = 10 mA to 2 A, TJ = −40°C to +125°C

TBD

%/mA

DROPOUT VOLTAGE3

VDROPOUT

IOUT = 100 mA, VOUT ≥ 1.8 V

IOUT = 100 mA, VOUT ≥ 1.8 V,

TJ = −40°C to +125°C

IOUT = 2 A, VOUT ≥ 1.8 V

200

IOUT = 2 A, VOUT ≥ 1.8 V, TJ = −40°C to +125°C

350

START-UP TIME4

tSTART-UP

ADP1740 and ADP1741

CSS = 10 nF, IOUT = 10 mA

4.8

CURRENT LIMIT THRESHOLD5

ILIMIT

TBD

THERMAL SHUTDOWN

Thermal Shutdown Threshold

TSSD

TJ rising

150

°C

Thermal Shutdown Hysteresis

TSSD-HYS

°C

PG OUTPUT LOGIC LEVEL

PG Output Logic High

PGHIGH

1.6 V ≤ VIN ≤ 3.6 V, IOH < 1 μA

1.0

PG Output Logic Low

PGLOW

1.6 V ≤ VIN ≤ 3.6 V, IOL <2 mA

0.4

PG Output Delay from EN Transition

Low to High

1.6 V ≤ VIN ≤ 3.6 V, CSS = 10 nF

TBD

PG OUTPUT THRESHOLD

PG Threshold, Output Voltage Falling

PGFALL

1.6 V ≤ VIN ≤ 3.6 V

−10

PG Threshold, Output Voltage Rising

PGRISE

1.6 V ≤ VIN ≤ 3.6 V

−7

EN INPUT

EN Input Logic High

VIH

1.6 V ≤ VIN ≤ 3.6 V

1.0

EN Input Logic Low

VIL

1.6 V ≤ VIN ≤ 3.6 V

0.4

EN Input Leakage Current

VI-LEAKAGE

EN = IN or GND

0.1

μA

SOFT START INPUT

Soft Start Current

ISS

1.6 V ≤ VIN ≤ 3.6 V

TBD

μA

ADJ INPUT BIAS CURRENT (ADP1741)

ADJI-BIAS

1.6 V ≤ VIN ≤ 3.6 V

100

SENSE INPUT BIAS CURRENT

SNSI-BIAS

1.6 V ≤ VIN ≤ 3.6 V

μA

OUTPUT NOISE

OUTNOISE

10 Hz to 100 kHz, VOUT = 0.75 V

μV rms

10 Hz to 100 kHz, VOUT = 2.5V

μV rms

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