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參數(shù)資料
| 型號： | TPS62230DRYR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.22 A SWITCHING REGULATOR, 3800 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 1 X 1.50 MM, 0.60 MM HEIGHT, GREEN, PLASTIC, MO-287UFAD, SON-6 |
| 文件頁數(shù)： | 23/34頁 |
| 文件大小： | 1181K |
| 代理商： | TPS62230DRYR |
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TPS62230, TPS62231, TPS62232, TPS62233, TPS62234, TPS62235, TPS62236
TPS62237, TPS62238, TPS62239, TPS622310, TPS622311, TPS622312
TPS622313, TPS622314, TPS622315, TPS622316, TPS622317, TPS622318
www.ti.com
SLVS941E – APRIL 2009 – REVISED DECEMBER 2010
DISSIPATION RATINGS
(1)
POWER RATING
DERATING FACTOR
PACKAGE
RqJA
FOR TA ≤ 25°C
ABOVE TA = 25°C
1 × 1.5 SON
234°C/W(2)
420 mW
4.2 mW/°C
(1)
Maximum power dissipation is a function of TJ(max), qJA and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD = [TJ(max) – TA] /qJA.
(2)
This thermal data is measured with high-K board (4 layers board according to JESD51-7 JEDEC standard).
RECOMMENDED OPERATING CONDITIONS
operating ambient temperature TA = –40 to 85°C (unless otherwise noted)
(1)
MIN
NOM
MAX
UNIT
Supply voltage VIN
(2)
2.05
6
V
Effective inductance
2.2
mH
Effective capacitance
2.0
4.7
mF
VOUT ≤ VIN -1 V
(3)
500 mA maximum IOUT
(4)
3.0
3.6
Recommended minimum
350mA maximum IOUT
(5)
2.5
2.7
V
supply voltage
VOUT ≤ 1.8V
60 mA maximum output current(5)
2.05
Operating virtual junction temperature range, TJ
–40
125
°C
(1)
In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may
have to be derated. Maximum ambient temperature (TA(max)) is dependent on the maximum operating junction temperature (TJ(max)), the
maximum power dissipation of the device in the application (PD(max)), and the junction-to-ambient thermal resistance of the part/package
in the application (qJA), as given by the following equation: TA(max) = TJ(max) – (qJA × PD(max)).
(2)
The minimum required supply voltage for startup is 2.05 V. The part is functional down to the falling UVL (Under Voltage Lockout)
threshold.
(3)
For a voltage difference between minimum VIN and VOUT of ≥ 1 V
(4)
Typical value applies for TA = 25°C, maximum value applies for TA = 70°C with TJ ≤ 125°C, PCB layout needs to support proper thermal
performance.
(5)
Typical value applies for TA = 25°C, maximum value applies for TA = 85°C with TJ ≤ 125°C, PCB layout needs to support proper thermal
performance.
Copyright 2009–2010, Texas Instruments Incorporated
3
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相關代理商/技術參數(shù) |
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| TPS62230DRYT | 功能描述:直流/直流開關調(diào)節(jié)器 3 MHz Ultra Small Step Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62230DRYT | 制造商:Texas Instruments 功能描述:DC/DC Converter IC 制造商:Texas Instruments 功能描述:IC, STEP-DOWN CONVERTER, SON-6 |
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| TPS622310DRYR | 功能描述:直流/直流開關轉(zhuǎn)換器 3MHz 500mA Step- Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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