LTM4615 데이터 시트보기 (PDF) - Linear Technology

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LTM4615

Triple Output, Low Voltage DC/DC µModule Regulator

Linear Technology 

LTM4615

TYPICAL PERFORMANCE CHARACTERISTICS

Switching Regulators

Efficiency vs Output Current

VIN = 2.5V

100

Efficiency vs Output Current

VIN = 3.3V

100

95

95

90

90

85

85

80

75

VOUT = 1.8V

70

VOUT = 1.5V

VOUT = 1.2V

VOUT = 0.8V

65

0

1

2

3

4

OUTPUT CURRENT (A)

4615 G01

80

75

VOUT = 2.5V

VOUT = 1.8V

70

VOUT = 1.5V

VOUT = 1.2V

VOUT = 0.8V

65

0

1

2

3

4

OUTPUT CURRENT (A)

4615 G02

Efficiency vs Output Current

VIN = 5V

95

90

85

80

75

70

65

0

VOUT = 3.3V

VOUT = 2.5V

VOUT = 1.8V

VOUT = 1.5V

VOUT = 1.2V

VOUT = 0.8V

1

2

3

OUTPUT CURRENT (A)

4

4615 G03

Minimum Input Voltage

at 4A Load

3.5

VOUT = 3.3V

3.0

VOUT = 2.5V

VOUT = 1.8V

VOUT = 1.5V

2.5

VOUT = 1.2V

VOUT = 0.8V

2.0

1.5

Load Transient Response

ILOAD

2A/DIV

VOUT

20mV/DIV

1.0

0.5

0

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5

VIN (V)

4615 G04

VIN = 5V

20μs/DIV

VOUT = 1.2V

COUT = 100μF, 6.3V CERAMICS

Load Transient Response

ILOAD

2A/DIV

VOUT

20mV/DIV

4615 G05

VIN = 5V

20μs/DIV

VOUT = 1.5V

COUT = 100μF, 6.3V CERAMICS

4615 G06

Load Transient Response

Load Transient Response

Load Transient Response

ILOAD

2A/DIV

VOUT

20mV/DIV

VIN = 5V

20μs/DIV

VOUT = 1.8V

COUT = 100μF, 6.3V CERAMICS

ILOAD

2A/DIV

VOUT

20mV/DIV

4615 G07

VIN = 5V

20μs/DIV

VOUT = 2.5V

COUT = 100μF, 6.3V CERAMICS

ILOAD

2A/DIV

VOUT

20mV/DIV

4615 G08

VIN = 5V

20μs/DIV

VOUT = 3.3V

COUT = 100μF, 6.3V CERAMICS

4615 G09

4615f

5

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