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參數(shù)資料
| 型號： | LM22675QMRX-ADJ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.8 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, PSOP-8 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 561K |
| 代理商： | LM22675QMRX-ADJ |
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur, including inoperability and degradation of device reliability
and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or other conditions beyond those indicated in
the recommended Operating Ratings is not implied. The recommended Operating Ratings indicate conditions at which the device is functional and should not be
operated beyond such conditions.
Note 2:
The absolute maximum specification of the ‘SW to GND’ applies to DC voltage. An extended negative voltage limit of -10V applies to a pulse of up to 50
ns.
Note 3:
ESD was applied using the human body model, a 100 pF capacitor discharged through a 1.5 k
resistor into each pin.
Note 4:
Typical values represent most likely parametric norms at the conditions specified and are not guaranteed.
Note 5:
Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are guaranteed through correlation using Statistical
Quality Control (SQC) methods. Limits are used to calculate National’s Average Outgoing Quality Level (AOQL).
Note 6:
The value of
θ
JA for the PSOP-8 exposed pad (MR) package of 60°C/W is valid if package is mounted to 1 square inch of copper. The θJA value can
range from 42 to 115°C/W depending on the amount of PCB copper dedicated to heat transfer.
Typical Performance Characteristics Unless otherwise specified the following conditions apply: Vin =
12V, T
J = 25°C.
Efficiency vs I
OUT and VIN
V
OUT = 3.3V
30077027
Normalized Switching Frequency vs Temperature
30077004
Current Limit vs Temperature
30077003
Normalized R
DS(ON) vs Temperature
30077008
www.national.com
4
LM22675LM22675Q
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|---|---|
| LM22675QMRX-ADJ/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT |
| LM22676 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3A SIMPLE SWITCHER Step-Down Voltage Regulator with Precision Enable |
| LM22676_13 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM22676/LM22676-Q1 42V, 3A SIMPLE SWITCHER?? Step-Down Voltage Regulator with Features |
| LM22676MR-5.0 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3A SIMPLE SWITCHER Step-Down Voltage Regulator with Precision Enable |
| LM22676MR-5.0/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3A STEP-DOWN VLTG REG RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT |
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