LTM4673 datasheet(13/132 Pages) AD

13 / 132 page

LTM4683

Rev. 0

For more information www.analog.com

Single Channel Load Transient

Response (0A) to (10A) Load

Step, 10A/µs, VIN = 12V,

VOUT = 0.3V, fSW = 250kHz

Single Channel Load Transient

Response (0A) to (10A) Load Step,

10A/µs VIN = 12V, VOUT = 0.6V,

fSW = 500kHz

Single Channel Load Transient

Response (0A) to (10A) Load Step,

10A/µs VIN = 12V, VOUT = 0.7V,

fSW = 575kHz

Single Channel Load Transient

Response (0A) to (10A) Load Step,

10A/µs, VIN = 12V, VOUT = 0.4V,

fSW = 350kHz

50mV/DIV

LOAD STEP

5A/DIV

200 S/DIV

FIGURE 48 CIRCUIT, 12V TO 0.3V, FREQ = 250kHz

COUT = 560F ×4 POSCAP, 100F ×4 CERAMIC

RCOMP = 13k, EA-gm = 3.02mS,

COMPna = 4.7nF, COMPnb = 150pF

IOUT RANGE HIGH, VOUT RANGE LOW

4683 G05

50mV/DIV

LOAD STEP

5A/DIV

200µs/DIV

FIGURE 48 CIRCUIT, 12V TO 0.4V, FREQ = 350kHz

COUT = 560F ×4 POSCAP, 100F ×4 CERAMIC

RCOMP = 13k, EA-gm = 3.02mS,

COMPna = 4.7nF, COMPnb = 150pF

IOUT RANGE HIGH, VOUT RANGE LOW

4683 G06

50mV/DIV

LOAD STEP

5A/DIV

200µs/DIV

FIGURE 48 CIRCUIT, 12V TO 0.6V, FREQ = 500kHz

COUT = 560F ×4 POSCAP, 100F ×4 CERAMIC

RCOMP = 13k, EA-gm = 3.02mS,

COMPna = 4.7nF, COMPnb = 150pF

IOUT RANGE HIGH, VOUT RANGE LOW

4683 G07

50mV/DIV

LOAD STEP

5A/DIV

200µs/DIV

FIGURE 48 CIRCUIT, 12V TO 0.7V, FREQ = 575kHz

COUT = 560F ×4 POSCAP, 100F ×4 CERAMIC

RCOMP = 13k, EA-gm = 3.02mS,

COMPna = 4.7nF, COMPnb = 150pF

IOUT RANGE HIGH, VOUT RANGE LOW

4683 G08

TYPICAL PERFORMANCE CHARACTERISTICS TA=25°C,unlessotherwisenoted.

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