LTM4606V(RevB) Ver la hoja de datos (PDF) - Linear Technology

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componentes Descripción

Fabricante

LTM4606V
(Rev.:RevB)

Ultralow EMI 28VIN, 6A DC/DC µModule Regulator

Linear Technology 

LTM4606

Typical Performance Characteristics

–55°C, Start-Up, IOUT = 6A

Start-Up, IOUT = 0A

Start-Up, IOUT = 6A

(Resistive Load)

VOUT

0.5V/DIV

IIN

0.5A/DIV

VIN = 12V

1ms/DIV

VOUT = 1.5V

COUT = 2× 22µF, 10V CERAMIC

1× 100µF, 6.3V CERAMIC

SOFT-START = 3.9nF

VOUT

0.5V/DIV

VOUT

0.5V/DIV

4606 G10

IIN

0.5A/DIV

VIN = 12V

1ms/DIV

VOUT = 1.5V

COUT = 1× 22µF, 6.3V CERAMIC

1× 330µF, 4V SANYO POSCAP

SOFT-START = 3.9nF

4606 G11

IIN

0.5A/DIV

VIN = 12V

1ms/DIV

VOUT = 1.5V

COUT = 1× 22µF, 6.3V CERAMIC

1× 330µF, 4V SANYO POSCAP

SOFT-START = 3.9nF

4606 G12

Short-Circuit Protection,

IOUT = 0A

Short-Circuit Protection,

IOUT = 6A

VOUT

2V/DIV

IIN

0.2A/DIV

VIN = 12V

VOUT = 2.5V

50µs/DIV

COUT = 2× 22µF, 10V CERAMIC

1× 100µF, 6.3V CERAMIC

SOFT-START = 0.1µF

VOUT

1V/DIV

IIN

2A/DIV

4606 G13

VIN = 12V

VOUT = 2.5V

50µs/DIV

COUT = 2× 22µF, 10V CERAMIC

1× 100µF, 6.3V CERAMIC

SOFT-START = 0.1µF

4606 G14

VIN to VOUT Step-Down

Operation Region

28

SEE FREQUENCY ADJUSTMENT SECTION

FOR OPERATIONS OUTSIDE THIS REGION

24

20

OPERATION REGION

16

WITH DEFAULT FREQUENCY

12

8

4.5

0.6 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

VOUT (V)

4606 G15

VFB vs Temperature

0.606

Input Ripple

0.604

0.602

0.600

VIN

10mV/DIV

0.598

0.596

0.594

–55

–25 5 35 65

TEMPERATURE (°C)

95 125

4606 G16

VIN = 5V

2µs/DIV

VOUT = 1V AT 6A

CIN = 3× 10µF, 25V CERAMIC

1× 150µF BULK

BW = 300MHz

6

Output Ripple

VOUT

2mV/DIV

4606 G17

VIN = 5V

2µs/DIV

VOUT = 1V AT 6A

COUT = 2× 22µF, 6.3V CERAMIC

1× 100µF, 6.3V CERAMIC

BW = 300MHz

4606 G18

4606fb

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