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參數(shù)資料
| 型號(hào)： | V62/11620-01XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | GREEN, SOT-23,5 PIN |
| 文件頁(yè)數(shù)： | 1/22頁(yè) |
| 文件大小： | 610K |
| 代理商： | V62/11620-01XE |
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1
2
3
5
4
IN
EN
OC
GND
OUT
DBV PACKAGE
(TOP VIEW)
SLVSAX8
– SEPTEMBER 2011
CURRENT-LIMITED POWER-DISTRIBUTION SWITCH
Check for Samples: TPS2041B-EP
1
FEATURES
APPLICATIONS
70-m
High-Side MOSFET
Heavy Capacitive Loads
500-mA Continuous Current
Short-Circuit Protection
Thermal and Short-Circuit Protection
SUPPORTS DEFENSE, AEROSPACE,
Current Limit:
AND MEDICAL APPLICATIONS
0.45 A (Min), 1.55 A (Max)
Controlled Baseline
Operating Range: 2.7 V to 5.5 V
One Assembly/Test Site
0.6-ms Typical Rise Time
One Fabrication Site
Undervoltage Lockout
Available in Military (
–55°C/125°C)
Deglitched Fault Report (OC)
Temperature Range
No OC Glitch During Power Up
Extended Product Life Cycle
Maximum Standby Supply Current: 1
μA
Extended Product-Change Notification
Bidirectional Switch
Product Traceability
ESD Protection Level Per AEC-Q100
Classification
UL Recognized, File Number E169910
DESCRIPTION
The TPS2041B power-distribution switch is intended for applications where heavy capacitive loads and short
circuits are likely to be encountered. This device incorporates 70-m
N-channel MOSFET power switches for
power-distribution systems that require multiple 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 (OC) 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. This power-distribution switch is designed to set current limit at 1 A (typ).
1
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.
PRODUCTION DATA information is current as of publication date.
Copyright
2011, 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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