ADP7118ARDZ-R7 datasheet(3/24 Pages) AD

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Data Sheet

ADP7118

Rev. F | Page 3 of 24

SPECIFICATIONS

VIN = VOUT + 1 V or 2.7 V, whichever is greater, VOUT = 5 V, EN = VIN, IOUT = 10 mA, CIN = COUT = 2.2 µF, CSS = 0 pF, TA = 25°C for typical

specifications, TJ = −40°C to +125°C for minimum/maximum specifications, unless otherwise noted.

Table 1.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT VOLTAGE RANGE

VIN

2.7

OPERATING SUPPLY CURRENT

IGND

IOUT = 0 µA

140

µA

IOUT = 10 mA

190

µA

IOUT = 200 mA

180

320

µA

SHUTDOWN CURRENT

IGND-SD

EN = GND

1.8

µA

EN = GND, VIN = 20 V

3.0

µA

OUTPUT VOLTAGE ACCURACY

Output Voltage Accuracy

VOUT

IOUT = 10 mA, TJ = 25°C

–0.8

+0.8

100 μA < IOUT < 200 mA, VIN = (VOUT + 1 V) to 20 V,

TJ = −40°C to +85°C

–1.2

+1.5

100 μA < IOUT < 200 mA, VIN = (VOUT + 1 V) to 20 V

–1.8

+1.8

LINE REGULATION

∆VOUT/∆VIN

VIN = (VOUT + 1 V) to 20 V

–0.015

+0.015

%/V

LOAD REGULATION1

∆VOUT/∆IOUT

IOUT = 100 μA to 200 mA

0.002

0.004

%/mA

SENSE INPUT BIAS CURRENT

SENSEI-BIAS

100 μA < IOUT < 200 mA VIN = (VOUT + 1 V) to 20 V

1000

DROPOUT VOLTAGE2

VDROPOUT

IOUT = 10 mA

IOUT = 200 mA

200

420

START-UP TIME3

tSTART-UP

VOUT = 5 V

380

µs

SOFT START SOURCE CURRENT

SSI-SOURCE

SS = GND

1.15

µA

CURRENT-LIMIT THRESHOLD4

ILIMIT

250

360

460

THERMAL SHUTDOWN

Thermal Shutdown Threshold

TSSD

TJ rising

150

°C

Thermal Shutdown Hysteresis

TSSD-HYS

°C

UNDERVOLTAGE THRESHOLDS

Input Voltage Rising

UVLORISE

2.69

Input Voltage Falling

UVLOFALL

2.2

Hysteresis

UVLOHYS

230

PRECISION EN INPUT

2.7 V ≤ VIN ≤ 20 V

Logic High

ENHIGH

1.15

1.22

1.30

Logic Low

ENLOW

1.06

1.12

1.18

Logic Hysteresis

ENHYS

100

Leakage Current

IEN-LKG

EN = VIN or GND

0.04

µA

Delay Time

tEN-DLY

From EN rising from 0 V to VIN to 0.1 × VOUT

μs

OUTPUT NOISE

OUTNOISE

10 Hz to 100 kHz, all output voltage options

µV rms

POWER SUPPLY REJECTION RATIO

PSRR

1 MHz, VIN = 7 V, VOUT = 5 V

100 kHz, VIN = 7 V, VOUT = 5 V

10 kHz, VIN = 7 V, VOUT = 5 V

Based on an endpoint calculation using 100 μA and 200 mA loads. See Figure 7 for typical load regulation performance for loads less than 1 mA.

Dropout voltage is defined as the input-to-output voltage differential when the input voltage is set to the nominal output voltage. Dropout applies only for output

voltages above 2.7 V.

Start-up time is defined as the time between the rising edge of EN to OUT being at 90% of the nominal value.

Current-limit threshold is defined as the current at which the output voltage drops to 90% of the specified typical value. For example, the current limit for a 5.0 V

output voltage is defined as the current that causes the output voltage to drop to 90% of 5.0 V or 4.5 V.

ADP7118ARDZ-R7 数据表(PDF) 3 Page - Analog Devices

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