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參數(shù)資料
| 型號： | LTC4232CDHC#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 242K |
| 描述： | IC CTLR HOT SWAP 5A 16-DFN |
| 標準包裝： | 2,500 |
| 類型： | 熱交換開關(guān) |
| 應用： | 服務器，儲存，通信，嵌入式，消費品 |
| 內(nèi)部開關(guān)： | 是 |
| 電流限制： | 可調(diào) |
| 電源電壓： | 2.9 V ~ 15 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFDFN 裸露焊盤 |
| 供應商設備封裝： | 16-DFN（5x3） |
| 包裝： | 帶卷 (TR) |
LTC4232
13
4232fa
applicaTions inForMaTion
There are two V
DD
pins on opposite sides of the package
that connect to the sense resistor and MOSFET. The PCB
layout should be balanced and symmetrical to each V
DD
pin to balance current in the MOSFET bond wires. Figure 6
shows a recommended layout for the LTC4232.
Although the MOSFET is self protected from overtem-
perature, it is recommended to solder the backside of the
package to a copper trace to provide a good heat sink. Note
that the backside is connected to the SENSE pin and can-
not be soldered to the ground plane. During normal loads
the power dissipated in the MOSFET is as high as 1.9W.
A 10mm ?10mm area of 1oz copper should be sufficient.
This area of copper can be divided in many layers.
It is also important to put C1, the bypass capacitor for
the INTV
CC
pin as close as possible between the INTV
CC
and GND.
4232 F06
HEAT SINK
VIA TO
SINK
GND
C
OUT
V
DD
Figure 6. Recommended Layout
Figure 7. 12V, 5A Backplane Resident Application with Insertion Activated Turn-On
Additional Applications
The LTC4232 has a wide operating range from 2.9V to 15V.
The UV, OV and PG thresholds are set with few resistors.
All other functions are independent of supply voltage.
In addition to Hot Swap applications, the LTC4232 also
functions as a backplane resident switch for removable
load cards (see Figure 7.)
The last page shows a 3.3V application with a UV threshold
of 2.87V, an OV threshold of 3.77V and a PG threshold
of 3.05V.
R5
150k
R6
20k
ADC
C1
0.1礔
R
MON
20k
4232 F07
V
DD
PG
OUT
FB
UV
GND
I
MON
I
SET
GATE
LTC4232DHC
OV
INTV
CC
TIMER
FLT
V
OUT
12V
5A
12V
R7
10k
R1
226k
R2
20k
12V
R4
20k
R3
140k
LOAD
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| LTC4232IDHC#PBF | 功能描述:IC CTLR HOT SWAP 5A 16-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4232IDHC#TRPBF | 功能描述:IC CTLR HOT SWAP 5A 16-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4240 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:CompactPCI Hot Swap Controller with I2C Compatible Interface |
| LTC4240CGN | 功能描述:IC CTRLR HOTSWAP CPCI I2C 28SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4240CGN#PBF | 功能描述:IC CTLR HOT SWAP CPCI I2C 28SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
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