LTM4628(RevC) View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTM4628
(Rev.:RevC)

Dual 8A or Single 16A DC/DC µModule Regulator

Linear Technology 

LTM4628

Typical Performance Characteristics

1.5V Load Transient

VOUT

50mV/DIV

1.8V Load Transient

VOUT

50mV/DIV

2.5V Load Transient

VOUT

100mV/DIV

IOUT

2A/DIV

IOUT

2A/DIV

IOUT

2A/DIV

100µs/DIV

4628 G07

12VIN, 1.5VOUT, 0A TO 4A LOAD STEP AT 4A/µs

COUT1 4× 100µF 6.3V X5R CERAMIC 1210 CASE SIZE

SWITCHING FREQUENCY 500kHz

CFF CAPACITOR = 47pF

100µs/DIV

4628 G08

12VIN, 1.8VOUT, 0A TO 4A LOAD STEP AT 4A/µs

COUT1 4× 100µF 6.3V X5R CERAMIC 1210 CASE SIZE

SWITCHING FREQUENCY 500kHz

CFF CAPACITOR = 47pF

100µs/DIV

4628 G09

12VIN, 2.5VOUT, 0A TO 4A LOAD STEP AT 4A/µs

COUT1, 4× 100µF 6.3V X5R CERAMIC 1210 CASE SIZE

SWITCHING FREQUENCY 500kHz

CFF CAPACITOR = 47pF

3.3V Load Transient

Output Start-Up

VOUT

100mV/DIV

VOUT

1V/DIV

5ms/DIV

IOUT

2A/DIV

INPUT

CURRENT

1A/DIV

100µs/DIV

4628 G10

12VIN, 3.3VOUT, 0A TO 4A LOAD STEP AT 4A/µs

COUT1, 4× 100µF 6.3V X5R CERAMIC 1210 CASE SIZE

SWITCHING FREQUENCY 500kHz

CFF CAPACITOR = 47pF

VIN = 12V

VOUT = 2.5V

IOUT = 0A

20ms/DIV

Output Start-Up

VOUT

1V/DIV

5ms/DIV

4628 G11

INPUT

CURRENT

1A/DIV

VIN = 12V

VOUT = 2.5V

IOUT = 8A

20ms/DIV

4628 G12

Output Short-Circuit

VOUT

1V/DIV

5ms/DIV

Output Short-Circuit

VOUT

1V/DIV

5ms/DIV

Coincident Tracking

INPUT

CURRENT

2A/DIV

VIN = 12V

VOUT = 2.5V

IOUT = 0A

50µs/DIV

INPUT

CURRENT

2A/DIV

4628 G13

VIN = 12V

VOUT = 2.5V

IOUT = 8A

50µs/DIV

4628 G14

10ms/DIV

VOUT1 = 1.8V AT 8A

VOUT2 = 1.2V AT 8A

4628 G15

4628fc

6

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