ADM1052_15 datasheet(2/8 Pages) AD

部品番号	ADM1052

部品情報	Precision Dual Voltage Regulator Controller

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REV. A

–2–

ADM1052–SPECIFICATIONS

(VCC = 12 V

6%, VIN = 3.3 V, TA = 0 C to 70 C, both channels, unless otherwise

noted. See Test Circuit.)

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

OUTPUT VOLTAGE

Channel 1, Channel 2

2.525

V

SHDN1, SHDN2 Floating

OUTPUT VOLTAGE ACCURACY

–2.5

+2.5

%

VIN = 3.0 V to 3.6 V, IOUT = 10 mA to 1 A

Load Regulation

–5

+5

mV

VIN = 3.3 V, IOUT = 10 mA to 1 A

1

Line Regulation

–5

+5

mV

VIN = 3.0 V to 3.6 V, IOUT = 1 A

1

CONTROL AMPLIFIER

Control Amplifier Open-Loop Gain

100

dB

Control Amplifier Slew Rate

3

V/

µs

Closed-Loop Settling Time

5

µsI

O = 10 mA to 2 A

Turn-On Time

5

µs

To 90% of Force High Output Level (CL = 470 pF)

Sense Input Impedance

1

50

k

Ω

Force Output Voltage Swing, VF (High)

10

V

RL = 10 k

Ω to GND

Force Output Voltage Swing, VF (Low)

2

V

RL = 10 k

Ω to V

CC

HICCUP MODE

Hiccup Mode Hold-Off Time

30

60

90

ms

Figure 2

Hiccup Mode Threshold

0.8

× V

OUT

V

Hiccup Comparator Glitch Immunity

100

µs

Hiccup Mode On-Time

0.5

1.0

1.5

ms

Hiccup Mode Off-Time

20

40

60

ms

Power-On Reset Threshold

6

9

V

SHUTDOWN,

SHDN1, SHDN2

Shutdown Input Low Voltage, VIL

0.8

V

Shutdown Input High Voltage, VIH

2.0

V

Supply Current, Normal Operation

2.4

4.0

mA

Shutdown Inputs Floating

Supply Current, Shutdown Mode

600

1000

µA

Both Channels Shut Dow

n

NOTES

1Guaranteed by design.

Specifications subject to change without notice.

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