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參數(shù)資料
| 型號： | MIC5255-3.0BD5 |
| 廠商： | MICREL INC |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | Dual 3A Non-Synchronous Buck Converter with Integrated High Side MOSFET, 600 kHz 14-HTSSOP -40 to 125 |
| 中文描述： | 3 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO5 |
| 封裝： | 1 MM HEIGHT, MO-193, THIN SOT-23, 5 PIN |
| 文件頁數(shù)： | 3/13頁 |
| 文件大小： | 948K |
| 代理商： | MIC5255-3.0BD5 |
Micrel, Inc.
MIC5255
November 2006
11
M9999-110906
The junction-to-ambient thermal resistance for the
minimum footprint is 235°C/W, from Table 1. The
maximum power dissipation must not be exceeded for
proper operation. Using the output voltage of 3.0V and
an output current of 150mA, the maximum input voltage
can be determined. Because this device is CMOS and
the ground current is typically 100A over the load
range, the power dissipation contributed by the ground
current is < 1% and can be ignored for this calculation:
315mW = (VIN – 3.0V) 150mA
315mW = VIN × 150mA – 450mW
810mW = VIN × 150mA
VIN(max) = 5.4V
Therefore, a 3.0V application at 150mA of output current
can accept a maximum input voltage of 5.4V in a SOT-
23-5 package. For a full discussion of heat sinking and
thermal effects on voltage regulators, refer to the “Reg-
ulator Thermals
” section of Micrel’s Designing with Low-
Dropout Voltage Regulators handbook.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC5255-4.75BM5 TR | 功能描述:IC REG LDO 4.75V .15A SOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:500mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-205AD，TO-39-3 金屬罐 供應(yīng)商設(shè)備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
| MIC5256 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:150mA UCap LDO with Error Flag |
| MIC5256_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:150mA μCap LDO with Error Flag |
| MIC5256-1.5BM5 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:150mA μCap LDO with Error Flag |
| MIC5256-1.5YM5 | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
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