LM3248TMXNOPB datasheet(10/31 Pages) TI1

Nome de Peças	LM3248TMXNOPB

Descrição Electrónicos	LM3248 2.7 MHz, 2.5A Adjustable Boost-Buck DC/DC Converter

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Fabricante Electrônico	TI1 [Texas Instruments]

Página de início	http://www.ti.com

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10 / 31 page

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100

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Load Current (A)

0.8Vout

1.0Vout

1.5Vout

2.0Vout

2.5Vout

3.0Vout

3.5Vout_Boost

4.0Vout_Boost

C009

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65

70

75

80

85

90

95

100

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Load Current (A)

0.8Vout

1.0Vout

1.5Vout

2.0Vout

2.5Vout

3.0Vout

3.5Vout

4.0Vout_Boost

C010

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

2.7

2.9

3.1

3.3

3.5

3.7

3.9

4.1

4.3

Input Voltage (V)

500mA

800mA

1A

1.5A

C006

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

2.7

2.9

3.1

3.3

3.5

3.7

3.9

4.1

4.3

Input Voltage (V)

500mA

800mA

1A

1.5A

C005

2.5

2.6

2.7

2.8

2.9

3.0

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Input Voltage (V)

C008

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

2.7

2.9

3.1

3.3

3.5

3.7

3.9

4.1

4.3

Input Voltage (V)

500mA

800mA

1A

1.5A

C007

LM3248

SNVSA01A – JULY 2013 – REVISED SEPTEMBER 2013

www.ti.com

TYPICAL CHARACTERISTICS

For all Efficiency vs Load Current graphs, L1=1276AS-H-1R0N, L3=1285AS-H-1R5N.

Switching Frequency

Output Voltage

vs

Input Voltage

Input Voltage (VOUT = 3.0V)

Figure 3.

Figure 4.

Output Voltage

vs

Input Voltage (VOUT = 3.2V)

Input Voltage (VOUT = 3.4V)

Figure 5.

Figure 6.

Efficiency vs Load Current

VBATT=3.4V, MODE=3G4G, TBOOSTGATE=1ms

VBATT=3.7V, MODE=3G4G, TBOOSTGATE=1ms

Figure 7.

Figure 8.

10

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Nº de peça semelhante - LM3248TMXNOPB

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Texas Instruments	LM3248TMX/NOPB	1Mb / 31P	[Old version datasheet] LM3248 2.7 MHz, 2.5A Adjustable Boost-Buck DC/DC Converter REVISED SEPTEMBER 2013

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Descrição semelhante - LM3248TMXNOPB

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