ADP2302ARDZ-R7 datasheet(3/28 Pages) AD

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ADP2302/ADP2303

Rev. 0 | 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

Supply Current

IVIN

No switching, VIN = 12 V

720

950

μA

Shutdown Current

ISHDN

VEN = 0 V, VIN = 12 V

μA

Undervoltage Lockout Threshold

UVLO

VIN rising

2.7

2.9

VIN falling

2.2

2.4

Regulation Voltage

VFB

ADP230xARDZ (adjustable)

0.788

0.8

0.812

ADP230xARDZ-2.5

2.463

2.5

2.538

ADP230xARDZ-3.3

3.25

3.3

3.35

ADP230xARDZ-5.0

4.925

5.0

5.075

Bias Current

IFB

ADP230xARDZ (adjustable)

0.01

0.1

μA

On Resistance1

VBST − VSW = 5 V, ISW = 200 mA

120

160

mΩ

ADP2302, VBST − VSW = 5 V

2.7

3.5

4.4

Peak Current Limit

ADP2303, VBST − VSW = 5 V

4.6

5.5

6.4

Leakage Current

VEN = VSW = 0 V, VIN = 12 V

0.1

μA

Minimum On Time

126

170

Minimum Off Time

210

280

OSCILLATOR FREQUENCY

fSW

595

700

805

kHz

SOFT START TIME

2048

Clock cycles

Input Threshold

VEN

1.12

1.2

1.28

Input Hysteresis

100

Pull-Down Current

1.2

μA

BOOTSTRAP VOLTAGE

VBOOT

VIN = 12 V

4.7

5.0

5.3

PGOOD

PGOOD Rising Threshold

82.5

87.5

92.5

PGOOD Hysteresis

2.5

PGOOD Deglitch Time2

Clock cycles

PGOOD Output Low Voltage

150

300

PGOOD Leakage Current

VPGOOD = 5 V

0.1

μA

THERMAL SHUTDOWN

Threshold

Rising temperature

150

°C

Hysteresis

°C

1 Pin-to-Pin measurements.

2 Guaranteed by design.

ADP2302ARDZ-R7 数据表(PDF) 3 Page - Analog Devices

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