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參數資料
| 型號： | PTH08T250WAS |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 35/39頁 |
| 文件大?。?/td> | 2220K |
| 代理商： | PTH08T250WAS |
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PTH08T250W
Texas
Instruments
www.ti.com
SLTS278G – NOVEMBER 2010 – REVISED MARCH 2009
ELECTRICAL CHARACTERISTICS
PTH08T250W
(continued)
TA = 25°C, VI = 12 V, VO = 3.3 V, CI = 1000 F, CO = 660 F, and IO = IO max (unless otherwise stated)
PARAMETER
TEST CONDITIONS
PTH08T250W
UNIT
MIN
TYP
MAX
Nonceramic
1000 (6)
CI
External input capacitance
F
Ceramic
22
Capacitance Value
Non-ceramic
660 (7)
8000 (8)
F
w/o TurboTrans
Ceramic
1000(9)
Equivalent series resistance (non-ceramic)
3
m
Non-ceramic
660 (7)
CO
External output capacitance
(10)
Capacitance Value
F
w/ TurboTrans
Ceramic
1000(9)
10000
Capacitance × ESR product (CO × ESR)
1000
F×m
(10)
Per Telcordia SR-332, 50% stress,
MTBF
Reliability
2.79
106 Hr
TA = 40°C, ground benign
(6)
A 1000 F electrolytic input capacitor is required for proper operation. When operating at an input voltage greater than 8V the minimum
required input capacitance may be reduced to 560mF. The input capacitor must be rated for a minimum of 600 mA rms of ripple current.
(7)
660 F of external non-ceramic output capacitance is required for basic operation. Adding additional capacitance at the load further
improves transient response. See the Capacitor Application Information section and the TuboTrans Technology section for more
guidance.
(8)
This is the calculated maximum when not using TurboTrans technology. This value includes both ceramic and non-ceramic
capacitors. The minimum ESR requirement often results in a lower value of output capacitance. See the Capacitor Application
Information section for more guidance.
(9)
Ceramic output capacitance may be added in addition to the required non-ceramic output capacitance. The amount of ceramic
capacitance must be less than the non-ceramic capacitance, not to exceed 1000 F.
(10) When using TurboTrans technology, a minimum value of output capacitance is required for proper operation. Additionally, low ESR
capacitors are required for proper operation. See the TurboTrans Technology section for further guidance.
Copyright 2010–2009, Texas Instruments Incorporated
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Product Folder Link(s): PTH08T250W
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PTH08T250WAST | 功能描述:DC/DC轉換器 50A 4.5V to 14V Inp Non-Isolated RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH08T250WAZ | 功能描述:DC/DC轉換器 50A 4.5V to 14V Inp Non-Isolated RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH08T250WAZT | 功能描述:DC/DC轉換器 50A 4.5V to 14V Inp Non-Isolated RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH08T250WBD | 制造商:Texas Instruments 功能描述: |
| PTH08T255WAD | 功能描述:DC/DC轉換器 40A,8-14V In,3-5.25V Out,Non-Iso Pwr Mod RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
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