LTM4650 datasheet(8/38 Pages) AD

8 / 38 page

LTM4652

Rev. 0

For more information www.analog.com

TYPICAL PERFORMANCE CHARACTERISTICS

2.5V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

1.8V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

TA = 25°C, unless otherwise noted.

100µs/DIV

4652 G13

VOUT (AC)

50mV/DIV

LOAD STEP

10A/DIV

12VIN, 1.8VOUT, 500kHz

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 220F ×4 CERAMIC CAP

+ 470F ×2, 2.5V SPCAP

CTHP = 10pF, RTH = 4.65k

CTH = 4700pF, CFF = 10pF

100µs/DIV

4652 G14

VOUT (AC)

50mV/DIV

LOAD STEP

10A/DIV

12VIN, 2.5VOUT, 500kHz

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 220F ×4 CERAMIC CAP

+ 470F ×2, 2.5V SPCAP

CTHP = 10pF, RTH = 4.65k

CTH = 4700pF, CFF = 10pF

3.3V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

100µs/DIV

4652 G15

VOUT (AC)

50mV/DIV

LOAD STEP

10A/DIV

12VIN, 3.3VOUT, 600kHz

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 220F ×4 CERAMIC CAP

+ 470F ×2, 6.3V POSCAP

CTHP = 10pF, RTH = 9.09k

CTH = 4700pF, CFF = NONE

5V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

100µs/DIV

4652 G16

VOUT (AC)

50mV/DIV

LOAD STEP

10A/DIV

12VIN, 5VOUT, 750kHz

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 220F ×4 CERAMIC CAP

+ 470F ×2, 6.3V POSCAP

CTHP = 10pF, RTH = 9.09k

CTH = 4700pF, CFF = NONE

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