ADP3031 datasheet(2/8 Pages) AD

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ADP3031–SPECIFICATIONS

Parameter

Symbol

Conditions

Min

Typ

Max

Units

SUPPLY

Input Voltage

2.5

5.5

Quiescent Current

Switching State

QSW

f = 600 kHz, light load

Non-switching State

300

500

µA

Shutdown

1µA

ERROR AMPLIFIER

Feedback Voltage

TBD

1.233

TBD

Line Regulation

IN = 2.5 V to 5.5 V

–0.1

+0.1

%/V

Bias Current

100

Overall Regulation

Line, Load, Temp

–3

Transconductance

100

µA/V

Gain

1000

V/V

SWITCH

On Resistance

at I

SW=1.5 A, VIN = 3.3 V

200

300

Ω

Output Load Current

LOAD

continuous operation

200

300

IN = 3.3 V,VOUT =10 V

Leakage Current

SWITCH = 12 V

µA

Efficiency

LOAD = 200 mA,

OUT = 10 V, f = 600 kHz

Efficiency

LOAD = 100 mA,

OUT = 10 V, f = 600 kHz

Peak Current Limit

CLSET

1.5

1.8

Output Voltage Range

OUT

OSCILLATOR

Oscillator Frequency

FOSC

RT = Open

0.5

0.6

0.7

MHz

RT = GND

1.7

2.3

MHz

Maximum Duty Cycle

MAX

COMP = open, FB = 1 V

SHUTDOWN

Shutdown Input Voltage Low

0.8

Shutdown Input Voltage High

2.2

UNDER-VOLTAGE LOCKOUT

UVLO Threshold

2.2

2.45

2.5

UVLO Hysteresis

100

NOTES

1 All limits at temperature extremes are guaranteed via correlation and characterization using standard Statistical Quality Control (SQC).

2 See Figure xx.

3 This is the average current while switching.

Specifications subject to change without notice.

REV. PrB

–2–

(VIN = +3.3 V, T

A = –40°C to 85°C, unless otherwise noted)

PRELIMINARY TECHNICAL DATA

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