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ADP3430 Datasheet(PDF) 2 Page - ON Semiconductor

Part # ADP3430
Description  2??to 3?뭁hase Synchronous Buck Controller
PDF  26 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

ADP3430 Datasheet(HTML) 2 Page - ON Semiconductor

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ADP3430
http://onsemi.com
2
Figure 1. Simplified Block Diagram
SHUNT
REGULATOR
VID DAC
DAC
+150 mV
800 mV
DAC
−350 mV
CSREF
2/3/4−PHASE
DRIVER LOGIC
EN
SET
18
1
2
10
9
11
7
20
5
3
UVLO
SHUTDOWN
19
30
29
28
27
25
24
23
22
17
15
16
21
4
14
6
BOOT
VOLTAGE
AND
SOFT−START
CONTROL
THERMAL
THROTTLING
CONTROL
RESET
RESET
RESET
RESET
VID7
32
VID6
33
VID5
34
VID4
35
VID3
36
VID2
37
VID1
38
VID0
39
ADP3430
CMP
CROWBAR
CURRENT LIMIT
CURRENT
MEASUREMENT
AND LIMIT
PRECISION
REFERENCE
31
12
13
GND
EN
DELAY
ILIM
PWRGD
COMP
FBRTN
IREF
TTSNS
VRHOT
PWM2
PWM3
SW3
SW2
SW1
CSREF
CSCOMP
NC
CSSUM
FB
PWM1
SS
LLINE
IMON
VCC
RAMP
RT
OSCILLATOR
26
40
TRDET
GENERATOR
8
TRDET
DELAY
NC
OD
ODN
PSI
CMP
CMP
+
+
−
+
−
+
−
−
+
−
+
−
+
−
+
−
+
−
+
−



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