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TPS2064

更新时间： 2024-11-10 04:48:55
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
30页 801K
描述
CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES

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TPS2064 数据手册

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DGN−8  
TPS2060, TPS2064  
TPS2068, TPS2069  
www.ti.com  
SLVS553E–MARCH 2005–REVISED APRIL 2007  
CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES  
FEATURES  
APPLICATIONS  
•
Heavy Capacitive Loads  
•
•
•
•
•
•
•
•
•
•
•
•
•
70-mΩ High-Side MOSFET  
•
Short-Circuit Protections  
1.5-A Continuous Current  
Thermal and Short-Circuit Protection  
Accurate Current Limit (1.6 A min, 2.6 A max)  
Operating Range: 2.7 V to 5.5 V  
0.6-ms Typical Rise Time  
Undervoltage Lockout  
Deglitched Fault Report (OC)  
TPS2068  
DGN PACKAGE  
(TOP VIEW)  
TPS2069  
DGN PACKAGE  
(TOP VIEW)  
No OC Glitch During Power Up  
1-µA Maximum Standby Supply Current  
Reverse Current Blocking  
OUT  
OUT  
OUT  
OC  
OUT  
OUT  
OUT  
OC  
GND  
GND  
IN  
IN  
IN  
IN  
EN  
EN  
TPS2060/64 Temperature Range: 0°C to 70°C  
TPS2068/69 Temperature Range:  
-40°C to 85°C  
•
•
ESD Protection  
UL Listed – File No. E169910  
DESCRIPTION  
The TPS206x power-distribution switches are intended for applications where heavy capacitive loads and  
short-circuits are likely to be encountered. This device incorporates 70-mΩ N-channel MOSFET power switches  
for power-distribution systems that require single or dual power switches in a single package. Each switch is  
controlled by a logic enable input. Gate drive is provided by an internal charge pump designed to control the  
power-switch rise times and fall times to minimize current surges during switching. The charge pump requires no  
external components and allows operation from supplies as low as 2.7 V.  
When the output load exceeds the current-limit threshold or a short is present, the device limits the output  
current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low.  
When continuous heavy overloads and short-circuits increase the power dissipation in the switch, causing the  
junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a  
thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures that the switch  
remains off until valid input voltage is present. Current limit is typically 2.1 A.  
1.5 A  
1.5 A  
TPS2069  
TPS2068  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PowerPad is a trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2005–2007, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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TPS2064 替代型号

型号 品牌 替代类型 描述 数据表
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