ADP2302ARDZ-5.0 datasheet(3/28 Pages) AD

No. de pieza	ADP2302ARDZ-5.0

Descripción Electrónicos	2 A/3 A, 20 V, 700 kHz, Nonsynchronous Step-Down Regulators

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Fabricante Electrónico	AD [Analog Devices]

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Data Sheet

ADP2302/ADP2303

Rev. A | Page 3 of 28

SPECIFICATIONS

VIN = 3.3 V, TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted.

Table 1.

Parameters

Symbol

Test Conditions

Min

Typ

Max

Unit

VIN

Voltage Range

VIN

3.0

20

V

Supply Current

IVIN

No switching, VIN = 12 V

720

950

μA

Shutdown Current

ISHDN

VEN = 0 V, VIN = 12 V

24

45

μA

Undervoltage Lockout Threshold

UVLO

VIN rising

2.7

2.9

V

VIN falling

2.2

2.4

V

FB

Regulation Voltage

VFB

ADP230xARDZ (adjustable)

0.788

0.8

0.812

V

ADP230xARDZ-2.5

2.463

2.5

2.538

V

ADP230xARDZ-3.3

3.25

3.3

3.35

V

ADP230xARDZ-5.0

4.925

5.0

5.075

V

Bias Current

IFB

ADP230xARDZ (adjustable)

0.01

0.1

μA

SW

On Resistance1

VBST − VSW = 5 V, ISW = 200 mA

80

120

160

mΩ

Peak Current Limit

ADP2302, VBST − VSW = 5 V

2.7

3.5

4.4

A

ADP2303, VBST − VSW = 5 V

4.6

5.5

6.4

A

Leakage Current

VEN = VSW = 0 V, VIN = 12 V

0.1

5

μA

Minimum On Time

126

170

ns

Minimum Off Time

210

280

ns

OSCILLATOR FREQUENCY

fSW

595

700

805

kHz

SOFT START TIME

2048

Clock cycles

EN

Input Threshold

VEN

1.12

1.2

1.28

V

Input Hysteresis

100

mV

Pull-Down Current

1.2

μA

BOOTSTRAP VOLTAGE

VBOOT

VIN = 12 V

4.7

5.0

5.3

V

PGOOD

PGOOD Rising Threshold

82.5

87.5

92.5

%

PGOOD Hysteresis

2.5

%

PGOOD Deglitch Time2

32

Clock cycles

PGOOD Output Low Voltage

150

300

mV

PGOOD Leakage Current

VPGOOD = 5 V

0.1

1

μA

THERMAL SHUTDOWN

Threshold

Rising temperature

150

°C

Hysteresis

15

°C

1 Pin-to-Pin measurements.

2 Guaranteed by design.

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