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ADP2109 Datasheet(PDF) 9 Page - Analog Devices

Part # ADP2109
Description  Compact 600 mA, 3 MHz, Step-Down Converter with Output Discharge
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP2109 Datasheet(HTML) 9 Page - Analog Devices

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Data Sheet
ADP2109
Rev. B | Page 9 of 16
CH1 500mV
CH4 5V
CH2 500mA
CH3 5V
M 40µs
A CH3
2.1V
3
1
2
4
T 19.80%
SW
IL
VOUT
EN
Figure 21. Startup, VOUT = 1.0 V, 600 mA
CH1 500mV
CH4 5.00V
CH3 2.00V
M 4.00ms
A CH1
380mV
1
3
4
T 73.40%
VIN = 5.5V
LOAD = 0mA
VOUT = 1.0V
VOUT
ENABLE
SW
Figure 22. Typical Discharge Curve, VOUT = 1.0 V, VIN = 5.5 V
CH1 50mV
CH2 500mA
CH4 2V
M 2µs
A CH4
2.64mA
1
2
4
T 20%
VOUT
IL
SW
Figure 23. Typical Power Save Mode Waveform, 50 mA
CH1 20mV
CH2 200mA
CH4 2V
M 200ns
A CH4
2.64V
1
2
4
T 20%
VOUT
IL
SW
Figure 24. Typical PWM Waveform, 200 mA
120
100
80
60
40
20
0
0
TIME (ms)
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
50µF
20µF
10µF
Figure 25. Discharge Profile with Different Values of Output Capacitors



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