ADP3025 datasheet(3/24 Pages) AD

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ADP3025

Rev. A | Page 3 of 24

SPECIFICATIONS1

Table 1. TA = 0°C to 70°C, VIN = 12 V, SS5 = SS3 = INTVCC, INTVCC Load = 0 mA, REF Load = 0 mA, SYNC = 0 V,

SD = 5 V, unless otherwise noted

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

INTERNAL 5 V REGULATOR

INTVCC

Input Voltage Range

5.5

Output Voltage

TA = 25°C

4.95

5.02

5.15

Line Regulation

5.5 V ≤ VIN ≤ 25 V

1.0

mV/V

Total Variation

Full VIN and temperature range

4.8

5.2

VIN Undervoltage Lockout

VUVLO

INTVCC falling

Threshold Voltage

4.05

4.25

4.5

Hysteresis

270

REFERENCE

Output Voltage2

REF

5.5 V ≤ VIN ≤ 25 V

784

800

816

SUPPLY

Shutdown Current

5.5 V ≤ VIN ≤ 25 V, SD= 0 V

µA

Standby Current

SS3 = SS5 = COMP2/SD2 = 0 V, SD = 5 V

120

200

µA

Quiescent Current

No loads, SS3 = SS5 = COMP2/SD2 = 4 V,

FB5 = 810 mV, FB3 = 810 mV, FB2 = 810 mV,

ADJ/FX5 = ADJ/FX3 = 5 V

1.3

1.9

OSCILLATOR

Frequency

fOSC

SYNC = AGND, 5.5 V ≤ VIN ≤ 25 V

175

210

245

kHz

SYNC = INTVCC, 5.5 V ≤ VIN ≤ 25 V

250

300

350

kHz

SYNC Input

Frequency Range

230

350

kHz

Input Low Voltage3

tF ≤ 200 ns

0.4

Input High Voltage3

tR ≤ 200 ns

2.8

Input Current

SYNC = 5 V

0.5

µA

POWER GOOD

PWRGD

Output Voltage in Regulation

10 kΩ pull-up to 5 V

4.8

Output Voltage out of Regulation

10 kΩ pull-up to 5 V, FB5 < 90% of nominal

output value

0.4

PWRGD Trip Threshold

FB5 rising; with respect to nominal output

–6.0

–3.7

–1.5

PWRGD Hysteresis

FB5 falling; with respect to nominal output

CPOR Pull-Up Current

CPOR = 1.2 V

–3.0

–1

–0.3

µA

ERROR AMPLIFIER

DC Gain3

Gain-Bandwidth Product3

GBW

MHz

Input Leakage Current

IEAN

ADJ/FX5 = ADJ/FX3 = 5 V

200

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