Datasheet

Data Sheet ADP2116
Rev. A | Page 15 of 36
BASIC FUNCTIONALITY
CH3 2.0V
CH2 10mV
CH4 500mA
M4µs 1.25GS/s A CH3 4.32V
4
2
3
SW
08436-041
V
OUT
, AC
INDUCTOR CURRENT
IT 400ps/pt
Ω
B
W
B
W
B
W
Figure 41. Pulse Skip Mode, 110 mA Load
CH3 2.0V
CH2 20mV
CH4 500mA
M1µs 1.25GS/s A CH3 2.52V
4
2
3
08436-042
IT 100ps/pt
Ω
B
W
B
W
B
W
V
OUT
, AC
SW
INDUCTOR CURRENT
Figure 42. Forced PWM Mode, CCM Operation, 200 mA Load, f
SW
= 600 kHz
CH3 2V
CH2 20mV
CH4 500mA
M1µs 1.25MS/s
IT 100ps/pt
A CH3 4.32V
4
2
3
V
OUT
, AC
SW
INDUCTOR CURRENT
08436-043
Ω
B
W
B
W
B
W
Figure 43. Pulse Skip Enabled, DCM Operation, 200 mA Load, f
SW
= 600 kHz
CH3 5.0V
CH1 5.0V CH2 1.0V
CH4 2.0V
M1.0ms 10MS/s A CH1 2.4V
4
3
1
2
08436-044
100ns/pt
B
W
B
W
B
W
B
W
SW1, SW2
EN1
SS1
V
OUT1
Figure 44. Soft Start, Channel 1: V
OUT
= 1.8 V, C
SS1
= 10 nF
CH3 5.0V
CH1 5.0V CH2 1.0V
CH4 500mV
M200µs 50MS/s A CH1 2.4V
4
3
1
2
08436-045
SW1, SW2
20.0ns/pt
B
W
B
W
B
W
B
W
EN1
V
OUT1
SS1
Figure 45. Soft Start with Precharged Output
CH3 5.0V
CH2 1.0V
CH4 2.0A
M1.0ms 50MS/s
20ns/pt
A CH2 1.12V
2
3
4
08436-046
Ω
B
W
B
W
B
W
V
OUT2
SW3, SW4
INDUCTOR CURRENT
Figure 46. Current Limit Entry,
Channel 2: V
OUT
= 1.8 V, 2 A Configuration, f
SW
= 600 kHz