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ADP3189 Datasheet(PDF) 3 Page - Analog Devices

Part # ADP3189
Description  8-Bit Programmable 2- to 5-Phase Synchronous Buck Controller
PDF  36 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP3189 Datasheet(HTML) 3 Page - Analog Devices

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ADP3189
Rev. 0 | Page 3 of 36
FUNCTIONAL BLOCK DIAGRAM
VCC
PRECISION
REFERENCE
DELAY
UVLO
SHUTDOWN
AND BIAS
OSCILLATOR
GND
EN
ADP3189
18
VRHOT 9
VRFAN 8
TTSENSE 10
PWRGD 2
31
RT
13
RAMPADJ
12
PWM2
29
14 LLSET
4
FB
6
SS
PWM3
28
PWM4
27
PWM5
26
SW1
25
CSREF
15
CSCOMP
17
SW2
24
SW3
23
SW5
21
SW4
22
CSSUM
16
VID4
35
VID3
36
VID2
37
VID1
38
1
VID0
39
VID6
33
VID7
32
VID5
34
COMP 5
DELAY 7
ILIMIT 11
VIDSEL 40
FBRTN 3
VID
DAC
DAC + 150mV
DAC – 250mV
CSREF
CURRENT
LIMIT
CIRCUIT
CROWBAR
CURRENT
LIMIT
CMP
CMP
CMP
CMP
CURRENT
BALANCING
CIRCUIT
2-/3-/4-/5-PHASE
DRIVER LOGIC
EN
SET
RESET
RESET
RESET
RESET
RESET
PWM1
30
OD
19
850mV
CMP
BOOT
VOLTAGE
& SOFT-START
CONTROL
THERMAL
THROTTLING
CONTROL
+
–
Figure 1.



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