ADP3025 データシートの表示（PDF） - Analog Devices

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ADP3025

High Efficiency Dual Output Power Supply Controller

Analog Devices 

ADP3025

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

INTERNAL 5 V REGULATOR

Input Voltage Range

Output Voltage

Line Regulation

INTVCC

TA = 25°C

5.5 V ≤ VIN ≤ 25 V

5.5

25

4.95 5.02 5.15

1.0

Total Variation

Full VIN and temperature range

4.8

5.2

VIN Undervoltage Lockout

VUVLO

INTVCC falling

Threshold Voltage

Hysteresis

REFERENCE

Output Voltage2

REF

SUPPLY

IQ

E Shutdown Current

Standby Current

Quiescent Current

T OSCILLATOR

Frequency

E SYNC Input

Frequency Range

L Input Low Voltage3

Input High Voltage3

Input Current

POWER GOOD

O Output Voltage in Regulation

Output Voltage out of Regulation

PWRGD Trip Threshold

S PWRGD Hysteresis

CPOR Pull-Up Current

ERROR AMPLIFIER

DC Gain3

B Gain-Bandwidth Product3

O Input Leakage Current

fOSC

PWRGD

GBW

IEAN

5.5 V ≤ VIN ≤ 25 V

5.5 V ≤ VIN ≤ 25 V, SD= 0 V

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

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

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

ADJ/FX5 = ADJ/FX3 = 5 V

SYNC = AGND, 5.5 V ≤ VIN ≤ 25 V

SYNC = INTVCC, 5.5 V ≤ VIN ≤ 25 V

tF ≤ 200 ns

tR ≤ 200 ns

SYNC = 5 V

10 kΩ pull-up to 5 V

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

output value

FB5 rising; with respect to nominal output

FB5 falling; with respect to nominal output

CPOR = 1.2 V

ADJ/FX5 = ADJ/FX3 = 5 V

4.05 4.25 4.5

270

784 800 816

19 70

120 200

1.3 1.9

175 210 245

250 300 350

230

350

0.4

2.8

0.5

4.8

0.4

–6.0 –3.7 –1.5

4

–3.0 –1 –0.3

47

10

200

Unit

V

V

mV/V

V

V

mV

mV

µA

µA

mA

kHz

kHz

kHz

V

V

µA

V

V

%

%

µA

dB

MHz

nA

Rev. A | Page 3 of 24

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