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LM5069MM-1 PDF预览

LM5069MM-1

更新时间： 2024-01-05 07:51:38
品牌 Logo 应用领域
美国国家半导体 - NSC 控制器
页数 文件大小 规格书
22页 1004K
描述
Positive High Voltage Hot Swap / Inrush Current Controller with Power Limiting

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LM5069MM-1 数据手册

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Connection Diagram  
20197202  
Top View  
10-Lead MSOP  
Ordering Information  
Order Number  
LM5069MM-1  
LM5069MMX-1  
LM5069MM-2  
LM5069MMX-2  
Fault Response  
Package Type  
NSC Package Drawing  
Supplied As  
Latch Off  
Latch Off  
1000 Units on Tape and Reel  
3500 Units on Tape and Reel  
1000 Units on Tape and Reel  
3500 Units on Tape and Reel  
MSOP-10  
MUB10A  
Auto Restart  
Auto Restart  
Pin Descriptions  
Pin #  
Name  
Description  
Applications Information  
1
SENSE  
Current sense input  
The voltage across the current sense resistor (RS) is measured from VIN to this  
pin. If the voltage across RS reaches 55mV the load current is limited and the fault  
timer activates.  
2
3
VIN  
Positive supply input  
A small ceramic bypass capacitor close to this pin is recommended to suppress  
transients which occur when the load current is switched off.  
UVLO  
Under-voltage lockout An external resistor divider from the system input voltage sets the under-voltage  
turn-on threshold. An internal 21 µA current source provides hysteresis. The  
enable threshold at the pin is 2.5V. This pin can also be used for remote shutdown  
control.  
4
OVLO  
Over-voltage lockout An external resistor divider from the system input voltage sets the over-voltage  
turn-off threshold. An internal 21 µA current source provides hysteresis. The  
disable threshold at the pin is 2.5V.  
5
6
GND  
Circuit ground  
TIMER  
Timing capacitor  
An external capacitor connected to this pin sets the insertion time delay and the  
Fault Timeout Period. The capacitor also sets the restart timing of the LM5069-2.  
7
8
PWR  
PGD  
Power limit set  
An external resistor connected to this pin, in conjunction with the current sense  
resistor (RS), sets the maximum power dissipation allowed in the external series  
pass MOSFET.  
Power Good indicator An open drain output. When the external MOSFET VDS decreases below 1.25V,  
the PGD indicator is active (high). When the external MOSFET VDS increases  
above 2.5V the PGD indicator switches low.  
9
OUT  
Output feedback  
Connect to the output rail (external MOSFET source). Internally used to determine  
the MOSFET VDS voltage for power limiting, and to control the PGD indicator.  
10  
GATE  
Gate drive output  
Connect to the external MOSFET’s gate. This pin's voltage is typically 12V above  
the OUT pin when enabled.  
www.national.com  
2
1234567...22

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LM5069MM-1 替代型号

型号 品牌 替代类型 描述 数据表
LM5069MMX-1/NOPB TI

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