LTM4601HVY データシートの表示（PDF） - Linear Technology

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LTM4601HVY

12A 28VIN DC/DC µModule Regulator with PLL, Output Tracking and Margining

Linear Technology 

LTM4601HV

TYPICAL PERFORMANCE CHARACTERISTICS (See Figures 19 and 20 for all curves)

Start-Up, IOUT = 0A

Start-Up, IOUT = 12A

(Resistive Load)

VOUT

0.5V/DIV

IIN

0.5A/DIV

5ms/DIV

VIN = 12V

VOUT = 1.5V

COUT = 470µF, 3 × 22µF

SOFT-START = 10nF

4601HV G09

VOUT

0.5V/DIV

IIN

1A/DIV

2ms/DIV

VIN = 12V

VOUT = 1.5V

COUT = 470µF, 3 × 22µF

SOFT-START = 10nF

4601HV G10

VIN to VOUT Step-Down Ratio

5.5

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

0 2 4 6 8 10 12 14 16 18 20 22 24

INPUT VOLTAGE (V)

4601HV G11

Short-Circuit Protection, IOUT = 0A

Track, IOUT = 12A

3.3V OUTPUT WITH

130k FROM VOUT

TO ION

5V OUTPUT WITH

100k RESISTOR

ADDED FROM fSET

TO GND

TRACK/SS

0.5V/DIV

VFB

0.5V/DIV

VOUT

1V/DIV

5V OUTPUT WITH

NO RESISTOR ADDED

FROM fSET TO GND

2.5V OUTPUT

1.8V OUTPUT

1.5V OUTPUT

2ms/DIV

VIN = 12V

VOUT = 1.5V

COUT = 470µF, 3 × 22µF

SOFT-START = 10nF

1.2V OUTPUT

4601HV G12

Short-Circuit Protection, IOUT = 12A

VOUT

0.5V/DIV

IIN

1A/DIV

VOUT

0.5V/DIV

IIN

1A/DIV

VIN = 12V

50µs/DIV

VOUT = 1.5V

COUT = 470µF, 3 × 22µF

SOFT-START = 10nF

4601HV G13

VIN = 12V

50µs/DIV

VOUT = 1.5V

COUT = 470µF, 3 × 22µF

SOFT-START = 10nF

4601HV G14

4601hvfb

6

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