Analog Devices LTM4683 Manual page 13

TYPICAL PERFORMANCE CHARACTERISTICS
Single Channel Load Transient
Response (0A) to (10A) Load
Step, 10A/µs, V
V
OUT
50mV/DIV
LOAD STEP
5A/DIV
FIGURE 48 CIRCUIT , 12V TO 0.3V , FREQ = 250kHz
C
OUT
R
COMP
COMPna = 4.7nF , COMPnb = 150pF
I
OUT
Single Channel Load Transient
Response (0A) to (10A) Load Step,
10A/µs V
f
SW
50mV/DIV
LOAD STEP
5A/DIV
FIGURE 48 CIRCUIT, 12V TO 0.6V, FREQ = 500kHz
C
OUT
R
COMP
COMPna = 4.7nF , COMPnb = 150pF
I RANGE HIGH, V
OUT
= 12V,
IN
= 0.3V, f = 250kHz
SW
200 S/DIV
4683
= 560 F ×4 POSCAP , 100 F ×4 CERAMIC
= 13k, EA-g = 3.02mS,
m
RANGE HIGH, V RANGE LOW
OUT
= 12V, V = 0.6V,
IN OUT
= 500kHz
200µs/DIV
4683
= 560 F ×4 POSCAP , 100 F ×4 CERAMIC
= 13k, EA-g = 3.02mS,
m
RANGE LOW
OUT
For more information
T = 25°C, unless otherwise noted.
A
Single Channel Load Transient
Response (0A) to (10A) Load Step,
10A/µs, V
f
SW
50mV/DIV
LOAD STEP
5A/DIV
G05
FIGURE 48 CIRCUIT , 12V TO 0.4V , FREQ = 350kHz
C
R
COMPna = 4.7nF , COMPnb = 150pF
I
OUT
Single Channel Load Transient
Response (0A) to (10A) Load Step,
10A/µs V
f
SW
50mV/DIV
LOAD STEP
5A/DIV
G07
FIGURE 48 CIRCUIT, 12V TO 0.7V, FREQ = 575kHz
C
OUT
R
COMP
COMPna = 4.7nF , COMPnb = 150pF
I
OUT
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LTM4683
= 12V, V = 0.4V,
IN OUT
= 350kHz
200µs/DIV
= 560 F ×4 POSCAP , 100 F ×4 CERAMIC
OUT
= 13k, EA-g = 3.02mS,
COMP m
RANGE HIGH, V RANGE LOW
OUT
= 12V, V = 0.7V,
IN OUT
= 575kHz
200µs/DIV
= 560 F ×4 POSCAP , 100 F ×4 CERAMIC
= 13k, EA-g = 3.02mS,
m
RANGE HIGH, V RANGE LOW
OUT
4683 G06
4683 G08
Rev. 0
13