LM3352 datasheet(3/11 Pages) NSC

3 / 11 page

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

OUT Pin

−0.5V to 4.5V

All Other Pins

−0.5V to 5.6V

Power Dissipation (T

A = 25˚C)

(Note 2)

700 mW

JMAX (Note 2)

150˚C

JA (Note 2)

150˚C/W

Storage Temperature

−65˚C to +150˚C

Lead Temperature (Soldering, 5 sec.)

260˚C

ESD Rating (Note 3)

human body model

machine model

2kV

100V

Operating Ratings

Input Voltage (V

IN )

2.5V to 5.5V

Output Voltage (V

OUT )

1.8V to 4.0V

Ambient Temperature (T

A ) (Note 2)

−40˚C to +85˚C

Junction Temperature (T

J) (Note 2)

−40˚C to +125˚C

Electrical Characteristics

Limits in standard typeface are for T

J = 25˚C, and limits in boldface type apply over the full operating temperature range. Unless

otherwise specified: C

1 = C2 = C3 = 0.33 µF; CIN = 15 µF; COUT = 33 µF; VIN = 3.5V.

Parameter

Conditions

Min

Typ

Max

Units

LM3352-2.5

Output Voltage (V

OUT)VIN = 3.5V; I LOAD = 100 mA

2.463

2.5

2.537

2.8V < V

IN < 5.5V;

1mA < I

LOAD < 100 mA

2.425/2.400

2.5

2.575/2.600

3.6V < V

IN < 4.9V;

1mA < I

LOAD < 200 mA

2.425/2.400

2.5

2.575/2.600

4.9V < V

IN < 5.5V;

1mA < I

LOAD < 175 mA

2.425/2.400

2.5

2.575/2.600

Efficiency

LOAD =15mA

LOAD = 150 mA, VIN = 4.0V

Output Voltage Ripple

(Peak-to-Peak)

LOAD =50mA

OUT = 33 µF tantalum

P-P

LM3352-3.0

Output Voltage (V

OUT)VIN = 3.5V; I LOAD = 100 mA

2.955

3.0

3.045

2.5V < V

IN < 5.5V;

1mA < I

LOAD < 100 mA

2.910/2.880

3.0

3.090/3.120

3.8V < V

IN < 5.5V;

1mA < I

LOAD < 200 mA

2.910/2.880

3.0

3.090/3.120

Efficiency

LOAD =15mA

LOAD = 150 mA, VIN = 4.0V

Output Voltage Ripple

(Peak-to-Peak)

LOAD =50mA

OUT = 33 µF tantalum

P-P

LM3352-3.3

Output Voltage (V

OUT)VIN = 3.5V; I LOAD = 100 mA

3.251

3.3

3.349

2.5V < V

IN < 5.5V;

1mA < I

LOAD < 100 mA

3.201/3.168

3.3

3.399/3.432

4.0V < V

IN < 5.5V;

1mA < I

LOAD < 200 mA

3.201/3.168

3.3

3.399/3.432

Efficiency

LOAD =15mA

LOAD = 150 mA, VIN = 4.0V

Output Voltage Ripple

(Peak-to-Peak)

LOAD =50mA

OUT = 33 µF tantalum

P-P

LM3352-ALL OUTPUT VOLTAGE VERSIONS

Operating Quiescent Current

Measured at Pin V

IN;

LOAD = 0A (Note 4)

400

500

µA

Shutdown Quiescent Current

SD Pin at 0V (Note 5)

2.5

µA

Switching Frequency

0.65

1.35

MHz

SD Input Threshold Low

2.5V < V

IN < 5.5V

0.2 V

SD Input Threshold High

2.5V < V

IN < 5.5V

0.8 V

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