ADM1052 datasheet(2/8 Pages) AD

2 / 8 page

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

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

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

Line Regulation

–5

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

CONTROL AMPLIFIER

Control Amplifier Open-Loop Gain

100

Control Amplifier Slew Rate

µs

Closed-Loop Settling Time

µsI

O = 10 mA to 2 A

Turn-On Time

µs

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

Sense Input Impedance

Ω

Force Output Voltage Swing, VF (High)

RL = 10 k

Ω to GND

Force Output Voltage Swing, VF (Low)

RL = 10 k

Ω to V

HICCUP MODE

Hiccup Mode Hold-Off Time

Figure 2

Hiccup Mode Threshold

0.8

× V

OUT

Hiccup Comparator Glitch Immunity

100

µs

Hiccup Mode On-Time

0.5

1.0

1.5

Hiccup Mode Off-Time

Power-On Reset Threshold

SHUTDOWN,

SHDN1, SHDN2

Shutdown Input Low Voltage, VIL

0.8

Shutdown Input High Voltage, VIH

2.0

Supply Current, Normal Operation

2.4

4.0

Shutdown Inputs Floating

Supply Current, Shutdown Mode

600

1000

µA

Both Channels Shut Dow

NOTES

1Guaranteed by design.

Specifications subject to change without notice.

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