ADP2102 Analog Devices, ADP2102 Datasheet - Page 12

• Manufacturer Part Number: ADP2102
• Description: Low Duty Cycle, 600 mA, 3 MHz Synchronous Step-Down DC-to-DC Converter
• Manufacturer: Analog Devices

ADP2102
1
2
3
4
1
CH3
CH1 2.00V
CH1 2.00V
Figure 41. PSM Mode Ripple (V
T
CH2: V
200mA Ω
CH1: EN
CH3: IL
Figure 40. Heavy Load Start-Up Waveform
OUT
CH4: V
B
B W
W
B
W
CH2 500mV
CH4
CH1: LX
OUT
20.00mV
(AC)
T
B W
B
M 2.00µs
W
T
T
M 2.00ms A CH2
IN
6.600%
51.00%
= 3.6 V, Load = 50 mA)
A CH1
L = 2.2µH
C
C
IN
OUT
= 2.2µF
T
T
A
A
= 4.7µF
= 25°C
= 25°C
350mV
4.20V
Rev. B | Page 12 of 24
1
3
4
4
3
CH1 5.00V
CH3 1.00V
CH3 200mA Ω
V
V
C
I
LOAD
IN
OUT
OUT
= 3.6V
Figure 42. Short-Circuit Response at Output
= 1.375V
= 4.7µF
= 100mA
B
B
W
W
Figure 43. Soft Start Waveform
B
CH4
W
CH4
500mA Ω
500mV
CH2: V
CH1: LX
CH4: IL
T
CH3: IL
OUT
B
B
W
W
M 100µs
T
M 1.00s
CH4: V
43.40%
OUT
A CH4
A CH3
T
T
A
A
= 25°C
= 25°C
440mV
680mV