LTM4673 datasheet(14/132 Pages) AD

14 / 132 page

LTM4683

Rev. 0

For more information www.analog.com

Single Phase Single Output

12V to 0.5V, No Load

Short-Circuit Protection

Single Phase Single Output

12V to 0.5V, 31.25A Load

Short-Circuit Protection

Quad Output Concurrent

Rail, Start-Up, Pre-Bias

Quad Output Concurrent Rail,

Start-Up, Pre-Bias

TYPICAL PERFORMANCE CHARACTERISTICS T

A = 25°C, unless otherwise noted.

5ms/DIV

FIGURE 48 CIRCUIT, 12VIN, 10A ON VOUT0

NO LOAD ON OTHER OUTPUTS AND

180mV PRE-BIAS ON VOUT0

4683 G09

VOUT3 = 0.7V

VOUT2 = 0.6V

VOUT1 = 0.5V

VOUT0 = 0.4V

5ms/DIV

FIGURE 48 CIRCUIT, 12VIN, 10A ON VOUT0

NO LOAD ON OTHER OUTPUTS AND

180mV PRE-BIAS ON VOUT0

4683 G10

VOUT3 = 0.7V

VOUT2 = 0.6V

VOUT1 = 0.5V

VOUT0 = 0.4V

VOUT0, 0.5V

200mV/DIV

IIN

2A/DIV

50 s/DIV

4683 G11

FIGURE 48 CIRCUIT, 12VIN,

NO LOAD ON VOUT0

PRIOR TO APPLICATION OF SHORT-CIRCUIT

USE HIGH RANGE OF IOUT SYSTEM

SHORT-CIRCUIT USING LOW IMPEDANCE

COPPER ACROSS OUTPUT (HARD SHORT)

VOUT0, 0.5V

200mV/DIV

IIN

2A/DIV

50µs/DIV

FIGURE 48 CIRCUIT, 12VIN,

31.25A LOAD ON VOUT0

PRIOR TO APPLICATION OF SHORT-CIRCUIT

USE HIGH RANGE OF IOUT SYSTEM

SHORT-CIRCUIT USING LOW IMPEDANCE

COPPER ACROSS OUTPUT (HARD SHORT)

4683 G12

VIN = SVIN = 12V, VOUT = 0.5V, FREQ = 425kHz, IOUT = 31.25A

VARIOUS OUTPUT CHANNELS

COLOR BY

TEMPERATURE

–40°C

+25°C

+125°C

COLOR BY

TEMPERATURE

–40°C

+25°C

+125°C

I_OUT READBACK AT 31.25A

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