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參數(shù)資料
| 型號(hào)： | ADP3421 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Geyserville-Enabled DC-DC Converter Controller for Mobile CPUs |
| 中文描述： | 蓋瑟維爾啟用的DC - DC轉(zhuǎn)換器控制器的移動(dòng)處理器 |
| 文件頁數(shù)： | 12/12頁 |
| 文件大?。?/td> | 146K |
| 代理商： | ADP3421 |
REV. A
ADP3421
–12–
C
P
VHYS
ADP3421
1
CLSET
2
LTO
3
LTI
4
LTB
5
VID4
6
VID3
7
VID2
8
VID1
9
VID0
10
CLKDRV
11
CLKFB
12
IODRV
13
IOFB
14
SD
15
PWRGD
16
UVLO
17
SSL
18
SSC
19
CORE
20
DACOUT
21
GND
22
OUT
23
VCC
24
RAMP
25
REG
26
CS+
27
CS
–
28
U1
5R1
R2
160k
3.3V
R10
10k
1C2
C3
VRON
2Q2
C14
M1
D2
OVPSET
ADP3410
SD
GND
IN
DRVLSD
DLY
VCCGD
VCC
DRVL
PGND
SRMON
SW
DRVH
BST
U2
1
2
3
4
5
6
7
14
13
12
11
10
9
8
C20
Q1
FROM
CPU
R11
k
R12
470
k
C22
C21
C1
C31
1pF
R16
3.3
k
C41
C29
R17
75
k
R6
7.5
k
R5
10
k
R18
576
1nF
C25
22nF
R21, 10
k
R19
2
k
R15
332
R22
100
k
1C18
1C28
C17
5V
IRM2
R8
2.2
R9
IRM3
VIN
L1
1 H
D1
R
CS
5m
C32
1C10
1C15
1C16
–
C6,
C26, C27
220 F 7
VCC ON CORE SENSE
V GATE
VCC CPU IO
VCC CPU CLK
CVCC
GND
R20
10
Figure 1. Mobile VRM Schematic
TYPICAL APPLICATION–GEYSERVILLE-ENABLED MOBILE VRM CONVERTER
OUTLINE DIMENSIONS
Dimensions shown in mm and (inches).
28-Lead Thin Shrink Small Outline Package (TSSOP)
(RU-28)
4.50 (0.177)
4.30 (0.169)
28
15
14
1
9.80 (0.386)
9.60 (0.378)
6.50 (0.256)
6.25 (0.246)
PIN 1
0.15 (0.006)
0.05 (0.002)
SPLANE
0.30 (0.012)
0.19 (0.008)
0.6BSC
1.1MAX
0.20 (0.008)
0.09 (0.004)
0.70 (0.028)
0.50 (0.020)
8
0
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE
Revision History
Location
Page
5/02—Data Sheet changed from REV. 0 to REV. A.
Changed Figures to TPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Renumbered Figure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
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