LTM4603 datasheet(6/24 Pages) LINER

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LTM4603/LTM4603-1

4603f

TYPICAL PERFOR A CE CHARACTERISTICS (See Figure 18 for all curves)

Start-Up, IOUT = 6A

(Resistive Load)

Start-Up, IOUT = 0A

VIN to VOUT Step-Down Ratio

VOUT

0.5V/DIV

IIN

0.5A/DIV

1ms/DIV

4603 G09

VIN = 12V

VOUT = 1.5V

COUT = 1x 22µF, 6.3V CERAMIC

1x 330

µF, 4V SANYO POSCAP

SOFT-START = 3.9nF

VOUT

0.5V/DIV

IIN

0.5A/DIV

1ms/DIV

4603 G10

VIN = 12V

VOUT = 1.5V

COUT = 1x 22µF, 6.3V CERAMIC

1x 330

µF, 4V SANYO POSCAP

SOFT-START = 3.9nF

VOUT

0.5V/DIV

IIN

2A/DIV

100

µs/DIV

4603 G11

VIN = 12V

VOUT = 1.5V

COUT = 1x 22µF, 6.3V CERAMIC

1x 330

µF, 4V SANYO POSCAP

SOFT-START = 3.9nF

Short-Circuit Protection,

IOUT = 0A

Short-Circuit Protection,

IOUT = 6A

VOUT

0.5V/DIV

IIN

2A/DIV

100

µs/DIV

4603 G12

VIN = 12V

VOUT = 1.5V

COUT = 1x 22µF, 6.3V CERAMIC

1x 330

µF, 4V SANYO POSCAP

SOFT-START = 3.9nF

INPUT VOLTAGE (V)

3.0

4.0

5.5

5.0

4603 G13

2.0

1.0

2.5

3.5

4.5

1.5

0.5

12 14

3.3V OUTPUT WITH

82.5k FROM VOUT

TO fSET

5V OUTPUT WITH

150k RESISTOR

ADDED FROM fSET

TO GND

5V OUTPUT WITH

NO RESISTOR ADDED

FROM fSET TO GND

2.5V OUTPUT

1.8V OUTPUT

1.5V OUTPUT

1.2V OUTPUT

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