ADP3430 datasheet(6/26 Pages) ONSEMI

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ADP3430

http://onsemi.com

ELECTRICAL CHARACTERISTICS (VCC = 12 V, FBRTN = GND, TA = 0°C to 85°C unless otherwise noted) (Note 1)

Parameter

Unit

Max

Typ

Min

Conditions

Symbol

Current Sense Amplifier cont.

Output Current

ICSCOMP

500

Current Limit Latchoff Delay Time

tOC(DELAY)

CDELAY = 10 nF

8.0

Current Balance Amplifier

Common−Mode Range (Note 2)

VSW(X)CM

−600

+200

Input Resistance

RSW(X)

SW(X) = 0 V

Input Current

ISW(X)

SW(X) = 0 V

Input Current Matching

DISW(X)

SW(X) = 0 V

−4.0

+4.0

IMON Output

Clamp Voltage

1.0

1.15

Current Gain

(IMONCURRENT) / (ILIMITCURRENT),

RILIM = RIMON = 8.0 kW, PSI = HIGH

9.0

Output Current

800

Offset

VCSREF − VILIMIT

1.2

Current Limit Comparator

Current Limit Threshold Current

ICL

4/3 x IIREF

17.7

22.3

Delay Timer

Normal Mode Output Current

IDELAY

IDELAY = IIREF

Output Current in Current Limit

IDELAY(CL)

IDELAY(CL) = 0.25 x IIREF

3.0

3.75

4.5

Threshold Voltage

VDELAY(TH)

1.6

1.7

1.8

Soft−Start

Output Current

ISS

During startup

13.5

17.5

21.5

Soft−Start slew rate

dv/dt

Css = 8.2 nF

2.0

mV/ms

Enable Input

Input Low Voltage

VIL(EN)

300

Input High Voltage

VIH(EN)

800

Input Current

IIN(EN)

−1.0

Delay Time

tDELAY(EN)

EN > 800 mV, CDELAY = 10 nF

1.0

OD and ODN Output

Output Low Voltage

VOL(OD)

VOL(ODN)

IOD(SINK) = −400 mA

IODN(SINK) = −400 mA

160

500

Output High Voltage

VOH(OD)

VOH(ODN)

IOD(SOURCE) = 400 mA,

IODN (SOURCE) = 400 mA

4.0

5.0

OD Pull−Down Resistor

Thermal Throttling Control

TTSNS Voltage Range

Internally limited

5.0

TTSNS Bias Current

−133

−123

−113

TTSNS VRHOT Threshold Voltage

715

760

805

TTSNS Hysteresis

VRHOT Output Low Voltage

VOL(VRHOT)

IVRHOT(SINK) = −4 mA, TTSNS = 5 V

150

300

Power−Good Comparator

Undervoltage Threshold

VPWRGD(UV) Relative to nominal DAC output

−400

−350

−300

Overvoltage Threshold

VPWRGD(OV) Relative to nominal DAC output

100

150

200

Output Low Voltage

VOL(PWRGD) IPWRGD(SINK) = −4 mA

150

300

Power−Good Delay Time During

Soft−Start

CDELAY = 10 nF

1.0

1. All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).

2. Guaranteed by design or bench characterization, not tested in production.

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