1.5 MHZ, 600MA SYNCHRONOUS STEP-DOWN CONVERTER

2007-1-29

3/11

FSP3100

ELECTRICAL CHARACTERISTICS (NOTE 4)

Parameter

Condition

Min.

Typ.

Max.

Unit

Input Voltage Range

2.5

5.5

V

Input DC Supply Current

Active Mode

Shutdown Mode

270

0.08

400

1.0

uA

0.5880

0.6000

0.6120

V

0.5865

0.6000

0.6135

V

Regulated Feedback Voltage

0.5850

0.6000

0.6150

V

±

30

nA

Reference Voltage Line Regulation

0.11

0.40

%/V

1.164

1.200

1.236

V

1.455

1.500

1.545

V

Regulated Output Voltage

1.746

1.800

1.854

V

Output Voltage Line Regulation

0.11

0.40

%/V

Output Voltage Load Regulation

0.0015

%/mA

Maximum Output Current

600

mA

Oscillator Frequency

1.2

1.5

1.8

MHz

0.30

0.50

Ω

0.20

0.45

Ω

Peak Inductor Current

Duty Cycle＜35%

1.20

A

SW Leakage

±

0.01

±

1

uA

Output over voltage lockout

Δ

60

mV

RUN Threshold

0.3

0.45

1.30

V

RUN Leakage Current

±

0. 1

±

1

uA

Note 4: 100% production test at +25℃. Specifications over the temperature range are guaranteed by design and

characterization.