ADP4100

http://onsemi.com

6

ELECTRICAL CHARACTERISTICS

Parameter

Test Conditions

Symbol

Min

Typ

Max

Unit

Reference Current

Reference Bias Voltage

1.75

1.8

1.85

V

Reference Bias Current

15

mA

Error Amplifier

Output Voltage Range (Note 6)

0

4.4

V

Accuracy

Relative to nominal DAC output, referenced to

FBRTN (see Figure 4)

In startup

7

1.093

1.1

7

1.107

mV

V

Load Line Positioning Accuracy

−77

−80

−83

mV

LLSET Input Voltage Range

−250

250

mV

LLSET Input Bias Current

−10

10

nA

Differential Non−linearity

−1.0

+1.0

LSB

Input Bias Current

14.2

16

17.7

mA

FBRTN Current

100

200

mA

Output Current

500

mA

Gain Bandwidth Product

COMP = FB

20

MHz

Slew Rate

COMP = FB

25

V/ms

BOOT Voltage Hold Time

Internal Timer

2.0

ms

VID Inputs

Input Low Voltage

VID(X)

0.3

V

Input High Voltage

VID(X)

0.8

V

Input Current

−5.0

mA

VID Transition Delay Time (Note 6)

VID code change to FB change

200

ns

No CPU Detection Turn−Off Delay

Time (Note 6)

VID code change to PWM going low

5.0

ms

Oscillator

Frequency Range (Note 6)

0.25

9.0

MHz

Frequency Variation

225

245

500

850

265

kHz

Output Voltage

RT = 500 kW to GND

1.93

2.03

2.13

V

RAMPADJ Output Voltage

−50

+50

mV

RAMPADJ Input Current Range

5.0

60

mA

Current Sense Amplifier

Offset Voltage

CSSUM − CSREF (see Figure 5)

−1.0

+1.0

mV

Input Bias Current, CSREF

CSREF = 1.0 V

−20

+20

mA

Input Bias Current, CSSUM

CSREF = 1.0 V

−10

+10

nA

Gain Bandwidth Product

CSSUM = CSCOMP

10

MHz

Slew Rate

10

V/ms

Input Common−Mode Range

CSSUM and CSREF

0

3.0

V

Output Voltage Range

0.05

3.0

V

Output Current

500

mA

Current−Limit Latchoff Delay time

Internal Timer

8.0

ms

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