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Connection Diagram
30076940
8-Lead Plastic PSOP-8 Package
NS Package Number MRA08B
Ordering Information
Output
Voltage
Order Number
Package Type
NSC Package
Drawing
Supplied As
Features
ADJ
LM22674MR-ADJ
PSOP-8 Exposed Pad
MRA08B
95 Units in Rails
ADJ
LM22674MRE-ADJ
250 Units in Tape and Reel
ADJ
LM22674MRX-ADJ
2500 Units in Tape and Reel
5.0
LM22674MR-5.0
95 Units in Rails
5.0
LM22674MRE-5.0
250 Units in Tape and Reel
5.0
LM22674MRX-5.0
2500 Units in Tape and Reel
ADJ
LM22674QMR-ADJ
PSOP-8 Exposed Pad
MRA08B
95 Units in Rails
AEC-Q100 Grade 1
qualified. Automotive
Grade Production
Flow*
ADJ
LM22674QMRE-ADJ
250 Units in Tape and Reel
ADJ
LM22674QMRX-ADJ
2500 Units in Tape and Reel
5.0
LM22674QMR-5.0
95 Units in Rails
5.0
LM22674QMRE-5.0
250 Units in Tape and Reel
5.0
LM22674QMRX-5.0
2500 Units in Tape and Reel
*Automotive Grade (Q) product incorporates enhanced manufacturing and support processes for the automotive market, including defect detection methodologies.
Reliability qualification is compliant with the requirements and temperature grades defined in the AEC-Q100 standard. Automotive grade products are identified
with the letter Q. For more information go to http://www.national.com/automotive.
Pin Descriptions
Pins
Name
Description
Application Information
1
BOOT
Bootstrap input
Provides the gate voltage for the high side NFET.
2, 3
NC
Not Connected
Pins are not electrically connected inside the chip. Pins do function
as thermal conductor.
4
FB
Feedback pin
Inverting input to the internal voltage error amplifier.
5
EN
Precision enable pin
When pulled low regulator turns off.
6
GND
System ground
Provide good capacitive decoupling between VIN and this pin
7
VIN
Source input voltage
Input to the regulator. Operates from 4.5V to 42V.
8
SW
Switch pin
Attaches to the switch node
www.national.com
2
LM22674/LM22674Q
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相关代理商/技术参数
LM22674QMR-5.0/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
LM22674QMR-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
LM22674QMRE-5.0/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
LM22674QMRE-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
LM22674QMRX-5.0/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
LM22674QMRX-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
LM22675 制造商:NSC 制造商全称:National Semiconductor 功能描述:1A SIMPLE SWITCHER?, Step-Down Voltage Regulator with Precision Enable
LM22675MR-5.0 制造商:NSC 制造商全称:National Semiconductor 功能描述:1A SIMPLE SWITCHER?, Step-Down Voltage Regulator with Precision Enable