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参数资料
| 型号： | LM22678QTJE-5.0 |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 8.75 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PSSO7 |
| 封装： | PLASTIC, TO-263, 7 PIN |
| 文件页数： | 9/16页 |
| 文件大小： | 535K |
| 代理商： | LM22678QTJE-5.0 |
Connection Diagram
30076102
7-Lead Plastic TO-263 THIN Package
NS Package Number TJ7A
Ordering Information
Output
Voltage
Order Number
Package Type
NSC Package
Drawing
Supplied As
Features
ADJ
LM22678TJE-ADJ
TO-263 THIN Exposed
Pad
TJ7A
250 Units in Tape and Reel
ADJ
LM22678TJ-ADJ
1000 Units in Tape and Reel
5.0
LM22678TJE-5.0
250 Units in Tape and Reel
5.0
LM22678TJ-5.0
1000 Units in Tape and Reel
ADJ
LM22678QTJE-ADJ
TO-263 THIN Exposed
Pad
TJ7A
250 Units in Tape and Reel
AEC-Q100 Grade
1 qualified.
Automotive Grade
Production Flow*
ADJ
LM22678QTJ-ADJ
1000 Units in Tape and Reel
5.0
LM22678QTJE-5.0
250 Units in Tape and Reel
5.0
LM22678QTJ-5.0
1000 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
Pin
Name
Description
Application Information
1
SW
Switch pin
Attaches to the switch node.
2
VIN
Source input voltage
Input to the regulator. Operates from 4.5V to 42V.
3
BOOT
Bootstrap input
Provides the gate voltage for the high side NFET.
4
GND
System ground
Provide good capacitive decoupling between VIN and this pin.
5
NC
Not connected
Pin is not electrically connected inside the chip. Pin does function as thermal
conductor.
6
FB
Feedback pin
Inverting input to the internal voltage error amplifier.
7
EN
Precision enable pin
When pulled low regulator turns off.
www.national.com
2
LM22678/LM22678Q
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM22678QTJE-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 |
| LM22678TJ-5.0 | 制造商:Texas Instruments 功能描述:Conv DC-DC Single Inv/Step Down 4.5V to 42V 7-Pin Thin TO-263 EP T/R |
| LM22678TJ-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 |
| LM22678TJ-ADJ | 制造商:Texas Instruments 功能描述:BUCK, 4.5-42V, 5A, 500KHZ, 7TO263 制造商:Texas Instruments 功能描述:BUCK, 4.5-42V, 5A, 500KHZ, 7TO263; Primary Input Voltage:42V; No. of Outputs:1; Output Current:5A; Voltage Regulator Case Style:TO-263; No. of Pins:7; Operating Temperature Min:-40C; Operating Temperature Max:125C; SVHC:No SVHC ;RoHS Compliant: Yes |
| LM22678TJ-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 |
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