LTM4604AV Ver la hoja de datos (PDF) - Analog Devices

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LTM4604AV

Low Voltage, 4A DC/DC µModule Regulator with Tracking

Analog Devices 

TYPICAL PERFORMANCE CHARACTERISTICS

LTM4604A

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)

4604A 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)

4604A G02

Minimum Input Voltage

at 4A Load

3.5

VOUT = 3.3V

3.0

VOUT = 2.5V

VOUT = 1.8V

2.5

VOUT = 1.5V

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)

4604A G04

VIN = 5V

20µs/DIV

VOUT = 1.2V

COUT = 4 × 22µF, 6.3V CERAMICS

IOUT = 0A TO 2A

4604A G05

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

4604A G03

Load Transient Response

ILOAD

2A/DIV

VOUT

20mV/DIV

VIN = 5V

20µs/DIV

VOUT = 1.5V

COUT = 4 × 22µF, 6.3V CERAMICS

IOUT = 0A TO 2A

4604A G06

Load Transient Response

Load Transient Response

Load Transient Response

ILOAD

2A/DIV

VOUT

20mV/DIV

ILOAD

2A/DIV

VOUT

20mV/DIV

ILOAD

2A/DIV

VOUT

20mV/DIV

VIN = 5V

20µs/DIV

VOUT = 1.8V

COUT = 3 × 22µF, 6.3V CERAMICS

IOUT = 0A TO 2A

4604A G07

VIN = 5V

20µs/DIV

VOUT = 2.5V

COUT = 3 × 22µF, 6.3V CERAMICS

IOUT = 0A TO 2A

4604A G08

VIN = 5V

20µs/DIV

VOUT = 3.3V

COUT = 2 × 22µF, 6.3V CERAMICS

IOUT = 0A TO 2A

4604A G09

Rev. D

For more information www.analog.com

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