Data Sheet

ADP1864

Rev. C | Page 3 of 16

SPECIFICATIONS

Table 1.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

POWER SUPPLY

Input Voltage

V

IN

3.15

14

V

Quiescent Current

I

Q

V

235

360

μA

Shutdown Supply Current

I

SD

V

7

15

μA

Undervoltage Lockout Threshold

V

UVLO

V

2.75

2.90

3.01

V

V

2.85

3.00

3.15

V

ERROR AMPLIFIER

FB Input Current

I

FB

V

−20

−2

+20

nA

V

−40

−2

+40

nA

Amplifier Transconductance

V

0.24

mmho

COMP Startup Threshold

V

0.55

0.67

0.80

V

COMP Shutdown Threshold

V

0.15

0.3

0.55

V

COMP Start-Up Current Source

COMP = GND

0.25

0.6

0.95

μA

FB Regulation Voltage

V

0.790

0.8

0.810

V

Overvoltage Protection Threshold

V

OVP

Measured at FB, T

0.87

0.885

0.9

V

Overvoltage Protection Hysteresis

50

mV

CURRENT SENSE

Peak Current Sense Voltage

T

90

125

mV

V

70

125

mV

Current Sense Gain

V

12

V/V

OUTPUT REGULATION

Line Regulation1

V

0.12

mV/V

Load Regulation2

V

−2

mV/V

OSCILLATOR

Oscillator Frequency

V

500

580

650

kHz

V

190

kHz

FB Frequency Foldback Threshold

0.35

V

GATE DRIVE

Gate Rise Time

C

50

ns

Gate Fall Time

C

40

ns

Minimum On Time

PGATE minimum low duration

190

ns

SOFT START POWER-ON TIME

1.1

ms

the IN voltage.

COMP voltage. The COMP voltage range is typically 0.9 V to 2.3 V for the minimum to maximum load current condition.