ADP2114 Analog Devices, ADP2114 Datasheet - Page 17

• Manufacturer Part Number: ADP2114
• Description: Configurable, Dual 2 A/Single 4 A, Synchronous Step-Down DC-to-DC Regulator
• Manufacturer: Analog Devices

1
2
4
3
4
2
3
4
2
3
CH1 5.0V
CH3 5.0V
CH3 5.0V
CH3 5.0V
Channel 2 V
Channel 2 V
EN2
V
SS2
SW
OUT2
Figure 55. Current Limit Entry (Zoomed In),
Figure 53. Start with Precharged Output
CH2 1.0V
CH4 500mV
CH2 1.0V
CH4 2.0A
CH2 1.0V
CH4 2.0A
OUT
OUT
Figure 54. Current Limit Entry,
= 1.8 V, 2 A Configuration, f
= 1.8 V, 2 A Configuration, f
M200µs
M1.0ms
M10.0µs
INDUCTOR CURRENT
V
SW
INDUCTOR CURRENT
V
SW
OUT2
OUT2
A CH2
A CH2
SW
SW
A CH1
= 600 kHz
= 600 kHz
1.12V
1.12V
2.4V
Rev. 0 | Page 17 of 40
Figure 58. External Synchronization, f
4
2
3
4
2
3
1
4
3
Figure 56. Hiccup Mode, f
CH3 5.0V
CH3 5.0V
CH1 5.0V
CH3 5.0V
EXTERNAL SYNC
CHANNEL 1 SW
CHANNEL 2 SW
Channel 2 V
CH2 1.0V
CH4 2.0A
CH2 1.0V
CH4 2.0A
CH4 5.0V
Figure 57. Exit Hiccup Mode,
INDUCTOR CURRENT
V
SW
OUT
OUT
SW
= 1.8 V, f
M2.0ms
M2.0ms
M1.0µs
= 600 kHz, 6.8 ms Hiccup Cycle
SYNC
SW
INDUCTOR CURRENT
V
SW
OUT
= 600 kHz
= 1.5 MHz, f
A CH4
A CH2
A CH1
SW
ADP2114
= 750 kHz
1.72V
1.12V
3.0V