CM3706A

1.5MHz, 600mA Synchronous Step-Down Regulator

Champion Microelectronic Corporation

Page 5

VIN=+3.6V)

maximum ratings are stress ratings only and functional device operation is not implied.

Parameter

Conditions

MIN

TYP

MAX

unit

Input Voltage Range

2.5

6.5

V

300

400

µA

Input DC Supply Current

Active Mode

Shutdown Mode

0.1

1.0

µA

0.5880

0.6000

0.6120

V

0.5865

0.6000

0.6135

V

Regulated Feedback Voltage

0.5820

0.6000

0.6180

V

±30

nA

Reference Voltage Line

Regulation

0.01

0.4

%/V

Output Voltage Line Regulation

VIN = 2.5V to 5.5V,IOUT=10mA

0.04

0.40

%/V

Output Voltage Load Regulation

IOUT from 10 to 600mA

0.0015

%/mA

Peak Inductor Current

Duty Cycle <35%

0.75

1.00

1.25

A

Oscillator Frequency

1.2

1.5

1.8

MHz

0.4

0.50

Ω

0.35

0.45

Ω

SW Leakage

VRUN = 0V, VSW= 0V or 5V, VIN = 5V

±0.01

±1

µA

RUN Threshold

0.3

0.45

1.5

V

RUN Leakage Current

±0.1

±1

µA

Thermal Shutdown Trip

Threshold

150

℃

Output over voltage lockout

ΔVOVL = VOVL – VFB

60

mV

Note 4:

100% production test at +25°C. Specifications over the temperature range are guaranteed by design and

characterization.