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參數(shù)資料
| 型號(hào)： | TPS2216ADBRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO30 |
| 封裝： | GREEN, PLASTIC, MO-150, SSOP-30 |
| 文件頁數(shù)： | 14/30頁 |
| 文件大?。?/td> | 554K |
| 代理商： | TPS2216ADBRG4 |
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TPS2214A, TPS2216A
DUALSLOT PC CARD POWER SWITCHES
FOR SERIAL PCMCIA CONTROLLERS
SLVS267C DECEMBER 1999 REVISED FEBRUARU 2008
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
calculating junction temperature
The switch resistance, rDS(on), is dependent on the junction temperature, TJ, of the die. The junction temperature
is dependent on both rDS(on) and the current through the switch. To calculate TJ, first find rDS(on) from Figures 23
through 25, using an initial temperature estimate about 50
°C above ambient. Then calculate the power
dissipation for each switch, using the formula:
P
D +
r
DS(on)
I2
Next, sum the power dissipation of all switches and calculate the junction temperature:
T
J +
P
D
RqJA ) TA
Where:
RθJA is the inverse of the derating factor given in the dissipation rating table.
Compare the calculated junction temperature with the initial temperature estimate. If the temperatures are not
within a few degrees of each other, recalculate using the calculated temperature as the initial estimate.
logic inputs and outputs
The serial interface consists of DATA, CLOCK, and LATCH leads. The data is clocked in on the positive edge
of the clock (see Figures 2 and 3). The 11-bit (D0D10) serial data word is loaded during the positive edge of
the latch signal. The positive edge of the latch signal should occur before the next positive edge of the clock
occurs.
The TPS2216 serial interfaces are compatible with serial-interface PCMCIA controllers and current PCMCIA
and Japan Electronic Industry Development Association (JEIDA) standards.
An overcurrent output (OC) is provided to indicate an overcurrent or overtemperature condition in any of the
xVCC and xVPP outputs as previously discussed.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS2216DAP | 功能描述:熱插拔功率分布 PCMCIA RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2216DAPG4 | 功能描述:熱插拔功率分布 1A Dual-Slot PC Card w/Serial Interface RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2216DAPR | 功能描述:熱插拔功率分布 1A Dual-Slot PC Card w/Serial Interface RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2216DAPRG4 | 功能描述:熱插拔功率分布 1A Dual-Slot PC Card w/Serial Interface RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2216DB | 功能描述:熱插拔功率分布 Dual PCMCIA RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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