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参数资料
| 型号： | LM5067SDX-1 |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, DSO10 |
| 封装： | LLP-10 |
| 文件页数： | 12/24页 |
| 文件大小： | 690K |
| 代理商： | LM5067SDX-1 |
Connection Diagrams
30030902
Top View
10-Lead MSOP
30030903
Top View
10-Lead LLP
Ordering Information
Order Number
Fault Response
Package Type
NSC Package Drawing
Supplied As
LM5067MM-1
Latch Off
MSOP-10
MUB10A
1000 Units on Tape and Reel
LM5067MMX-1
Latch Off
3500 Units on Tape and Reel
LM5067MM-2
Auto Restart
1000 Units on Tape and Reel
LM5067MMX-2
Auto Restart
3500 Units on Tape and Reel
LM5067SD-1
Latch Off
LLP-10
SDA10A
Available Soon
LM5067SDX-1
Latch Off
Available Soon
LM5067SD-2
Auto Restart
Available Soon
LM5067SDX-2
Auto Restart
Available Soon
Pin Descriptions
Pin
#
Name
Description
Applications Information
1
VCC
Positive supply input Connect to system ground through a resistor. Connect a bypass capacitor to VEE. The
voltage from VCC to VEE is nominally 13V set by an internal zener diode.
2
UVLO/
EN
Under-voltage
lockout
An external resistor divider from the system input voltage sets the under-voltage turn-on
threshold. The enable threshold at the pin is 2.5V above VEE. An internal 22 A current
source provides hysteresis. This pin can be used for remote enable and disable.
3
OVLO
Over-voltage lockout An external resistor divider from the system input voltage sets the over-voltage turn-off
threshold. The disable threshold at the pin is 2.5V above VEE. An internal 22 A current
source provides hysteresis.
4
PWR
Power limit set
An external resistor at this pin, in conjunction with the current sense resistor (R
S), sets the
maximum power dissipation in the external series pass MOSFET.
5
VEE
Negative supply
input
Connect to the system negative supply voltage (typically -48V).
6
TIMER
Timing capacitor
An external capacitor at this pin sets the insertion time delay and the fault timeout period.
The capacitor also sets the restart timing of the LM5067-2.
7
SENSE Current sense input The voltage across the current sense resistor (R
S) is measured from VEE to this pin. If the
voltage across R
S reaches 50 mV the load current is limited and the fault timer activates.
8
GATE
Gate drive output
Connect to the external N-channel MOSFET’s gate.
9
OUT
Output feedback
Connect to the external MOSFET’s drain. Internally used to determine the MOSFET V
DS
voltage for power limiting, and to control the PGD output pin.
10
PGD
Power Good
indicator
An open drain output capable of sustaining 80V when off. When the external MOSFET
V
DS decreases below 1.23V the PGD pin switches high. When the external MOSFET VDS
increases above
2.5V the PGD pin switches low.
www.national.com
2
LM5067
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM5068 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:NEGATIVE VOLTAGE HOT SWAP CONTROLLER |
| LM5068EVAL | 功能描述:电源管理IC开发工具 LM5068 EVAL BOARD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| LM5068EVAL/NOPB | 功能描述:EVALUATION BOARD FOR LM5068 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:PCI Express® (PCIe) 主要目的:接口，收发器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要属性:- 次要属性:- 已供物品:板 |
| LM5068MM-1 | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| LM5068MM-1/MMX-1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:Negative Voltage Hot Swap Controller |
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