LTM8045 datasheet(7/32 Pages) LINER

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LTM4653

Rev 0

For more information www.analog.com

TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.

Start-Up, No Load

Start-Up, 4A Load

Start-Up, Pre-Bias

Short Circuit, No Load

Short Circuit, 4A Load

2ms/DIV

RUN

2V/DIV

PGOOD

2V/DIV

VOUT

5V/DIV

4653 G10

FIGURE 30 CIRCUIT, 48VIN,

CINH = CD = 4.7µF, COUT = 2 x 22µF,

RfSET = 124k, RISET = 240k,

RPGDFB = 95.3k,

CTH = 10nF, RTH = 562,

REXTVCC = 49.9, CEXTVCC = 1µF,

NO LOAD

2ms/DIV

RUN

2V/DIV

PGOOD

2V/DIV

VOUT

5V/DIV

4653 G11

FIGURE 30 CIRCUIT, 48VIN,

CINH = CD = 4.7µF, COUT = 2 x 22µF,

RfSET = 124k, RISET = 240k,

RPGDFB = 95.3k,

CTH = 10nF, RTH = 562,

REXTVCC = 49.9, CEXTVCC = 1µF,

3 RESISTIVE LOAD

2ms/DIV

RUN

2V/DIV

PGOOD

2V/DIV

VOUT

5V/DIV

IDIODE

1mA/DIV

4653 G12

FIGURE 30 CIRCUIT, 48VIN,

CINH = CD = 4.7µF, COUT = 2 x 22µF,

RfSET = 124k, RISET = 240k,

RPGDFB = 95.3k,

CTH = 10nF, RTH = 562,

REXTVCC = 49.9, CEXTVCC = 1µF,

VOUT PRE-BIASED TO 5V

THROUGH 1N4148 DIODE

10µs/DIV

VOUT

5V/DIV

IIN

1A/DIV

4653 G13

FIGURE 30 CIRCUIT, 48VIN,

CINH = CD = 4.7µF, COUT = 2 x 22µF,

RfSET = 124k, RISET = 240k,

RPGDFB = 95.3k,

CTH = 10nF, RTH = 562,

REXTVCC = 49.9, CEXTVCC = 1µF,

NO LOAD PRIOR TO APPLICATION

OF OUTPUT SHORT-CIRCUIT

10µs/DIV

VOUT

5V/DIV

IIN

1A/DIV

4653 G14

FIGURE 30 CIRCUIT, 48VIN,

CINH = CD = 4.7µF, COUT = 2 x 22µF,

RfSET = 124k, RISET = 240k,

RPGDFB = 95.3k,

CTH = 10nF, RTH = 562,

REXTVCC = 49.9, CEXTVCC = 1µF,

3 RESISTIVE LOAD PRIOR TO

APPLICATION OF OUTPUT

SHORT-CIRCUIT

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