LTM4644 datasheet(6/36 Pages) LINER

6 / 36 page

LTM4650A-1

4650a1f

For more information www.linear.com/LTM4650A-1

TYPICAL PERFORMANCE CHARACTERISTICS

2.5V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

1.5V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

1.8V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

1.2V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

1V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

VOUT(AC)

50mV/DIV

LOAD STEP

10A/DIV

100µs/DIV

4650a1 G10

12VIN, 1VOUT, 300kHz,

DUAL PHASE SINGLE OUTPUT

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 4× 220F CERAMIC CAP

+ 2× 470F 2.5V SPCAP

CTHP = 10pF, RTH = 4.65k,

CTH = 4700pF, CFF = 10pF

VOUT(AC)

50mV/DIV

LOAD STEP

10A/DIV

100µs/DIV

4650a1 G11

12VIN, 1.2VOUT, 400kHz,

DUAL PHASE SINGLE OUTPUT

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 4× 220F CERAMIC CAP

+ 2× 470F 2.5V SPCAP

CTHP = 10pF, RTH = 4.65k,

CTH = 4700pF, CFF = 10pF

VOUT(AC)

50mV/DIV

LOAD STEP

10A/DIV

100µs/DIV

4650a1 G12

12VIN, 1.5VOUT, 400kHz,

DUAL PHASE SINGLE OUTPUT

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 4× 220F CERAMIC CAP

+ 2× 470F 2.5V SPCAP

CTHP = 10pF, RTH = 4.65k,

CTH = 4700pF, CFF = 10pF

VOUT(AC)

50mV/DIV

LOAD STEP

10A/DIV

100µs/DIV

4650a1 G13

12VIN, 1.8VOUT, 500kHz,

DUAL PHASE SINGLE OUTPUT

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 4× 220F CERAMIC CAP

+ 2× 470F 2.5V SPCAP

CTHP = 10pF, RTH = 4.65k,

CTH = 4700pF, CFF = 10pF

VOUT(AC)

50mV/DIV

LOAD STEP

10A/DIV

100µs/DIV

4650a1 G14

12VIN, 2.5VOUT, 500kHz,

DUAL PHASE SINGLE OUTPUT

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 4× 220F CERAMIC CAP

+ 2× 470F 2.5V SPCAP

CTHP = 10pF, RTH = 4.65k,

CTH = 4700pF, CFF = 10pF

5V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

3.3V Dual Phase Single Output

Load Transient Response

(Bulk Output Capacitor)

VOUT(AC)

50mV/DIV

LOAD STEP

10A/DIV

100µs/DIV

4650a1 G15

12VIN, 3.3VOUT, 600kHz,

DUAL PHASE SINGLE OUTPUT

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 4× 220F CERAMIC CAP

+ 2× 470F 6.3V POSCAP

CTHP = 10pF, RTH = 9.09k,

CTH = 4700pF, CFF = NONE

VOUT(AC)

50mV/DIV

LOAD STEP

10A/DIV

100µs/DIV

4650a1 G16

12VIN, 5VOUT, 750kHz,

DUAL PHASE SINGLE OUTPUT

25%, 12.5A LOAD STEP-UP AND

STEP-DOWN, 10A/ s SLEW RATE

COUT = 4× 220F CERAMIC CAP

+ 2× 470F 6.3V POSCAP

CTHP = 10pF, RTH = 9.09k,

CTH = 4700pF, CFF = NONE

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