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ADP3186 Datasheet(PDF) 5 Page - Analog Devices

Part # ADP3186
Description  5-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP3186 Datasheet(HTML) 5 Page - Analog Devices

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ADP3186
Rev. A | Page 5 of 24
TEST CIRCUITS
250k
Ω
12V
1.25V
1
μF
100n F
100nF
ADP3186
VID4
VID3
VID2
VID1
VID0
CROWBAR
FBRTN
FB
COMP
PWRGD
EN
DELAY
RT
RAMPADJ
VCC
PWM1
PWM2
PWM3
PWM4
SW1
SW2
SW3
SW4
GND
CSCOMP
CSSUM
CSREF
ILIMIT
1
2
3
28
27
26
4
8
10
12
14
5
6
7
21
24
23
22
9
11
17
18
19
13
15
16
20
25
5-BIT CODE
250k
Ω
20k
Ω
1k
Ω
4.7nF
+
Figure 2. Closed-Loop Output Voltage Accuracy
CSSUM
18
CSCOMP
17
28
VCC
CSREF
16
GND
19
39k
Ω
100nF
1k
Ω
1.0V
ADP3186
12V
VOS =
CSCOMP – 1V
40
Figure 3. Current Sense Amplifier, VOS
CSSUM
18
CSCOMP
17
28
VCC
CSREF
16
GND
19
200k
Ω
80mV
1.0V
ADP3186
12V
200k
Ω
COMP
8
FB
9
10k
Ω
Figure 4. Positioning Voltage



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