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参数资料
| 型号： | LM22675QMRX-ADJ |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.8 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | PLASTIC, PSOP-8 |
| 文件页数： | 11/16页 |
| 文件大小： | 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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相关代理商/技术参数 |
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|---|---|
| LM22675QMRX-ADJ/NOPB | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM22676 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:3A SIMPLE SWITCHER Step-Down Voltage Regulator with Precision Enable |
| LM22676_13 | 制造商:TI 制造商全称: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 制造商全称: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/直流开关转换器 3A STEP-DOWN VLTG REG RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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