LP3202

LP3202-01 datasheet

Oct.-2006

4

Electrical Characteristics

(VIN = 3.6V, VOUT = 2.5V, VREF = 0.6V, L = 2.2µH, CIN= 4.7µF, COUT= 10µF, TA= 25°C, IMAX = 650mA unless

otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Input Voltage Range

VIN

2.5

5.5

V

Quiescent Current

IQ

IOUT = 0mA, VFB = VREF + 5%

270

370

μA

Shutdown Current

ISHDN

EN = GND

0.1

1

μA

Reference Voltage

VREF

For adjustable output voltage

0.588

0.6

0.612

V

Adjustable Output Range

VOUT

VREF

VIN −

0.2

V

Δ

VOUT

VIN = 2.2 to 5.5V, VOUT = 1.0V 0A <

IOUT < 600mA

−

3

+3

%

Δ

VOUT

VIN = 2.2 to 5.5V, VOUT = 1.2V 0A <

IOUT < 600mA

−

3

+3

%

Fix

Δ

VOUT

VIN = 2.2 to 5.5V, VOUT = 1.5V 0A <

IOUT < 600mA

−

3

+3

%

Δ

VOUT

VIN = 2.2 to 5.5V, VOUT = 1.8V 0A <

IOUT < 600mA

−

3

+3

%

Δ

VOUT

VIN = 2.8 to 5.5V, VOUT = 2.5V 0A <

IOUT < 600mA

−

3

+3

%

Δ

VOUT

VIN = 3.5 to 5.5V, VOUT = 3.3V 0A <

IOUT < 600mA

−

3

+3

%

VIN = VOUT + 0.2V to 5.5V, VIN ≧

3.5V 0A < IOUT < 600mA

−

3

+3

%

Output

Voltage

Accuracy

Adjustable

Δ

VOUT

VIN = VOUT + 0.4V to 5.5V, VIN ≧

2.2V 0A < IOUT < 600mA

−

3

+3

%

FB Input

Current

-30

30

nA

PMOSFET

RON

200mA

VIN = 3.6V

0.20

0.38

Ω

NMOSFET

RON

200mA

VIN = 3.6V

0.25

Ω

P-Channel

Current

Limit

2.2 to

5.5 V

1

1.2

1.4

EN

Threshold

0.3

1.0

1.5

V

EN Leakage

Current

--

1

uA