ADP197ACBZ-R7 datasheet(3/16 Pages) AD

3 / 16 page

ADP197

Rev. 0 | Page 3 of 16

SPECIFICATIONS

VIN = 1.8 V, VEN = VIN, IOUT = 1 A, TA = 25°C, unless otherwise noted.

Table 1.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT VOLTAGE RANGE

VIN

TJ = −40°C to +85°C

1.8

5.5

EN INPUT

EN Input

VIH

VIN = 1.8 V to 5.5 V

1.2

VIL

VIN = 1.8 V to 5.5 V

0.4

EN Input Pull-Down Current

IEN

VIN = 1.8 V

500

CURRENT

Ground Current

IGND

VIN = 1.8 V

μA

VIN = 3.4 V

μA

VIN = 4.2 V, TJ = −40°C to +85°C

μA

VIN = 5.5 V

μA

Off State Current

IOFF

VEN = GND, VOUT = 0 V, VIN = 4.2 V

0.1

μA

VEN = GND, TJ = −40°C to +85°C, VOUT = 0 V, VIN = 1.8 V to 5.5 V

μA

Continuous Operating Current1

IOUT

VIN = 1.8 V to 5.5 V

VIN TO VOUT RESISTANCE

RDSON

VIN = 5.5 V

0.012

VIN = 4.2 V

0.012

VIN = 1.8 V

0.012

VIN = 1.8 V, TJ = −40°C to +85°C

0.012

0.017

VOUT TURN-ON DELAY TIME

See Figure 2

Turn-On Delay Time

tON_DLY

VIN = 1.8 V to 5.5 V, CLOAD = 1 μF

THERMAL SHUTDOWN

Thermal Shutdown Threshold

TSSD

TJ rising

125

°C

Thermal Shutdown Hysteresis

TSSD-HYS

°C

1 At an ambient temperature of 85°C, the part can withstand a continuous current of 2.22 A. At a load current of 3 A, the operational lifetime derates to 2190 hours.

TIMING DIAGRAM

VEN

VOUT

TURN-ON

RISE

90%

10%

TURN-OFF

DELAY

TURN-OFF

FALL

TURN-ON

DELAY

Figure 2. Timing Diagram

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