參數資料
型號: LTC4352IMS#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO12
封裝: LEAD FREE, PLASTIC, MSOP-8
文件頁數: 4/16頁
文件大小: 194K
代理商: LTC4352IMS#PBF
LTC4352
12
4352f
Figure 8. Recommended PCB Layout for Power MOSFET
1
2
3
4
5
6
12
11
10
9
8
7
C1
S
G
D
DRAWING IS NOT TO SCALE!
VIA TO GROUND PLANE
SOURCE
GATE
LTC4352
MSOP-12
GND
OUT
V
IN
V
CC
VIA TO GROUND PLANE
CURRENT FLOW
WW
TRACK WIDTH W:
0.03 PER AMPERE
ON 1OZ CU FOIL
FROM INPUT
SUPPLY
TO LOAD
Q1
SO-8
4352 F08
APPLICATIONS INFORMATION
LEDs, D1 and D2, require around 3mA for good luminous
intensity. Accounting for a 2V diode drop and 0.5V VOL,
R1 and R2 are set to 2.7k.
PCB Layout Considerations
Connect the VIN and OUT pin traces as close as possible to
the MOSFET’s terminals. Keep the traces to the MOSFET
wide and short to minimize resistive losses. The PCB
traces associated with the power path through the MOSFET
should have low resistance. See Figure 8.
It is also important to put C1, the bypass capacitor for
the VCC pin, as close as possible between VCC and GND.
Also place C2 near the CPO and SOURCE pins. Surge
suppressors, when used, should be mounted close to the
LTC4352 using short lead lengths.
相關PDF資料
PDF描述
LTC4352IMS#TRPBF 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO12
LTC4352HMS#TRPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12
LTC4352HDD#PBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12
LTC4352HDD#TRPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12
LTC4357HMS8#PBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
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