LM3354 datasheet(3/12 Pages) NSC

Nome de Peças	LM3354

Descrição Electrónicos	Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter

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Fabricante Electrônico	NSC [National Semiconductor (TI)]

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Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

All Pins

−0.5V to 5.6V

Power Dissipation (T

A = 25˚C)

(Note 2)

Internally Limited

T

JMAX (Note 2)

150˚C

θ

JA (Note 2)

250˚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

1.5 kV

100V

Operating Ratings

Input Voltage (V

IN)

2.5V to 5.5V

Output Voltage (V

OUT)

1.8V to 5.0V

Ambient Temperature (T

A) (Note 2)

−40˚C to +85˚C

Junction Temperature (T

J) (Note 2)

−40˚C to +120˚C

Electrical Characteristics

Limits in standard typeface are for T

A = 25˚C, and limits in boldface type apply over the full operating temperature range. Un-

less otherwise specified: C

1 =C2 = 0.33 µF; CIN = 10 µF; COUT = 10 µF; CFIL = 1 µF; VIN = 3.5V.

Parameter

Conditions

Min

(Note 5)

Typ

(Note 4)

Max

(Note 5)

Units

LM3354-5.0

Output Voltage (V

OUT)

3.4V < V

IN < 5.5V;

1mA < I

LOAD < 90 mA

4.85/4.8

5.0

5.15/5.2

V

3.1V < V

IN < 5.5V;

1mA < I

LOAD < 55 mA

4.85/4.8

5.0

5.15/5.2

2.9V < V

IN < 5.5V;

1mA < I

LOAD < 30 mA

4.85/4.8

5.0

5.15/5.2

Efficiency

I

LOAD =15mA

85

%

I

LOAD = 40 mA, VIN = 3.8V

85

Output Voltage Ripple

(Peak-to-Peak)

I

LOAD =50mA

C

OUT = 10 µF ceramic

75

mV

P-P

LM3354-4.1

Output Voltage (V

OUT)

2.9V < V

IN < 5.5V;

1mA < I

LOAD < 90 mA

3.977/3.936

4.1

4.223/4.264

V

2.5V < V

IN < 5.5V;

1mA < I

LOAD < 40 mA

3.977/3.936

4.1

4.223/4.264

Efficiency

I

LOAD =15mA

80

%

I

LOAD=70mA

75

Output Voltage Ripple

(Peak-to-Peak)

I

LOAD =50mA

C

OUT = 10 µF ceramic

75

mV

P-P

LM3354-3.3

Output Voltage (V

OUT)

2.9V < V

IN < 5.5V;

1mA < I

LOAD < 70 mA

3.201/3.168

3.3

3.399/3.432

V

2.5V < V

IN < 5.5V;

1mA < I

LOAD < 70 mA

3.201/3.168

3.3

3.399/3.432

Efficiency

I

LOAD =15mA

90

%

I

LOAD=70mA

70

Output Voltage Ripple

(Peak-to-Peak)

I

LOAD =50mA

C

OUT = 10 µF ceramic

75

mV

P-P

LM3354-1.8

Output Voltage (V

OUT)

2.9V < V

IN < 5.5V;

1mA < I

LOAD < 90 mA

1.728/1.710

1.8

1.872/1.89

V

2.5V < V

IN < 5.5V;

1mA < I

LOAD < 80 mA

1.728/1.710

1.8

1.872/1.89

Efficiency

I

LOAD =15mA

75

%

I

LOAD=70mA

70

Output Voltage Ripple

(Peak-to-Peak)

I

LOAD =50mA

C

OUT = 10 µF ceramic

25

mV

P-P

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