Datasheet

ADP2116 Data Sheet
Rev. A | Page 14 of 36
LOAD TRANSIENT RESPONSE
CH3 5.0V CH2 100mV
CH4 2.0A
M400µs 62.5MS/s
16ns/pt
A CH4 2.16A
1
2
4
I
OUT1
08436-035
SW1, SW2
V
OUT1
, AC
Ω
B
W
B
W
B
W
Figure 35. Load Transient Response in Pulse Skip Mode,
Channel 1: 0.3 A to 3 A Load Step, V
IN
= 5 V, V
OUT
= 2.5 V, f
SW
= 600 kHz
(See Table 12 for the Circuit Details)
CH2 200mV
CH4 1.0A
M400µs 50MS/s
200ns/pt
A CH4 1.7A
2
4
08436-036
I
OUT1
V
OUT1
, AC
Ω
B
W
B
W
Figure 36. Load Transient Response in Pulse Skip Mode,
Channel 1: 0.3 A to 3 A Load Step, V
IN
= 5 V, V
OUT
= 3.3 V, f
SW
= 300 kHz
(See Table 12 for the Circuit Details)
CH4 200mV
CH2 2.0A M200µs
T 24.00%
A CH2 3.2A
2
4
I
OUT
08436-037
V
OUT
, AC
Ω
B
W
Figure 37. Load Transient Response in Forced PWM Mode,
Combined Output: 0 A to 6 A Load Step, V
IN
= 5 V, V
OUT
= 3.3 V, f
SW
= 600 kHz
(See Table 12 for the Circuit Details)
CH3 5V CH2 50mV
CH4 2.0A
M200µs 125MS/s
8ns/pt
A CH4 2.16A
3
2
4
V
OUT2
, AC
I
OUT2
08436-038
SW3, SW4
Ω
B
W
B
W
B
W
Figure 38. Load Transient Response in Pulse Skip Mode,
Channel 2: 0.3 A to 3 A Load Step, V
IN
= 5 V, V
OUT
= 1.2 V, f
SW
= 600 kHz
(See Table 12 for the Circuit Details)
CH2 50mV
CH4 1.0A
M200µs 125MS/s
8ns/pt
A CH4 1.7A
2
4
08436-039
I
OUT2
V
OUT2
, AC
Ω
B
W
B
W
Figure 39. Load Transient Response in Pulse Skip Mode,
Channel 2: 0.3 A to 3 A Load Step, V
IN
= 3.3 V, V
OUT
= 1.2 V, f
SW
= 1.2 MHz
(See Table 12 for the Circuit Details)
CH2 50mV
CH4 2.0A
M200µs 125MS/s
8ns/pt
A CH4 1.68A
2
4
I
OUT
08436-040
V
OUT
, AC
Ω
B
W
B
W
Figure 40. Load Transient Response in Forced PWM Mode,
Combined Output: 0.6 A to 6 A Load Step, V
IN
= 5 V, V
OUT
= 1.2 V, f
SW
= 600 kHz
(See Table 12 for the Circuit Details)