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參數(shù)資料
| 型號： | TPS2068DR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 1/33頁 |
| 文件大小： | 1022K |
| 代理商： | TPS2068DR |
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D8
DRB8
DGN8
TPS2060/TPS2064
DGNPACKAGE
(TOP VIEW)
GND
1
2
3
4
8
7
6
5
IN
EN1
EN2
OC1
OUT1
OUT2
OC2
TPS2068
DGNPACKAGE
(TOP VIEW)
GND
1
2
3
4
8
7
6
5
IN
EN
OUT
OC
TPS2069
DGNPACKAGE
(TOP VIEW)
GND
1
2
3
4
8
7
6
5
IN
EN
OUT
OC
TPS2068
DPACKAGE
(TOP VIEW)
GND
IN
EN
OUT
OC
1
2
3
4
8
7
6
5
GND
IN
EN1
EN2
OC1
OUT1
OUT2
OC2
TPS2060/TPS2064
DRBPACKAGES
(TOP VIEW)
Allenableinputsareactivehighforthe TPS2064devices.
4
3
2
1
5
6
7
8
SLVS553K
– MARCH 2005 – REVISED MAY 2011
CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES
1
FEATURES
APPLICATIONS
2
70-m
High-Side MOSFET
Heavy Capacitive Loads
1.5-A Continuous Current
Short-Circuit Protections
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)
No OC Glitch During Power Up
1-
μA Maximum Standby Supply Current
Reverse Current Blocking
TPS2060/64 Temperature Range: 0
°C to 70°C
TPS2068/69 DGN Package Temperature
Range:
–40°C to 85°C
TPS2068 D Package Temperature Range:
0
°C to 70°C
UL Listed
– File No. E169910
TPS2068/69: CB Certified
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-m
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
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.
2
PowerPad is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright
2005–2011, 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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參數(shù)描述 |
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| TPS2068DRG4 | 功能描述:電源開關(guān) IC - USB Current-Ltd Pwr Dist Sw RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2068EVM-292 | 功能描述:交換機 IC 開發(fā)工具 TPS2068EVM-292 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
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| TPS2068-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:CURRENT-LIMITED POWER-DISTRIBUTION SWITCH |
| TPS2069 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES |
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