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參數(shù)資料
| 型號： | LM3477 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | High Efficiency High-Side N-Channel Controller for Switching Regulator |
| 中文描述： | 高效率高側(cè)N溝道開關(guān)穩(wěn)壓器控制器 |
| 文件頁數(shù)： | 2/23頁 |
| 文件大?。?/td> | 815K |
| 代理商： | LM3477 |
Connection Diagram
20003302
8 Lead Mini SO8 Package (MSOP-8 Package)
Package Marking and Ordering Information
Order Number
LM3477MM
LM3477MMX
LM3477AMM
LM3477AMMX
Package Type
MSOP-8
MSOP-8
MSOP-8
MSOP-8
Package Marking
S13B
S13B
S13A
S13A
Supplied As:
1000 units on Tape and Reel
3500 units on Tape and Reel
1000 units on Tape and Reel
3500 units on Tape and Reel
Pin Description
Pin Name
I
SEN
Pin Number
1
Description
Current sense input pin. Voltage generated across an external sense resistor is fed
into this pin.
Compensation pin. A resistor-capacitor combination connected to this pin provides
compensation for the control loop. Pull this pin below 0.65V to shutdown.
Feedback pin. The output voltage should be adjusted using a resistor divider to
provide 1.270V at this pin.
Ground pin.
Switch Node. Source of the external MOSFET is connected to this node.
Drive pin. The gate of the external MOSFET should be connected to this pin.
Boot-strap pin. A capacitor must be connected between this pin and SW pin (pin 5)
for proper operation. The voltage developed across this capacitor provides the gate
drive for the external MOSFET.
Power Supply Input pin.
COMP/SD
2
FB
3
GND
SW
DR
CB
4
5
6
7
V
IN
8
L
www.national.com
2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM3477A | High Efficiency High-Side N-Channel Controller for Switching Regulator |
| LM3477AMM | High Efficiency High-Side N-Channel Controller for Switching Regulator |
| LM3477AMMX | High Efficiency High-Side N-Channel Controller for Switching Regulator |
| LM3477MM | High Efficiency High-Side N-Channel Controller for Switching Regulator |
| LM3477MMX | High Efficiency High-Side N-Channel Controller for Switching Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3477A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Efficiency High-Side N-Channel Controller for Switching Regulator |
| LM3477AMM | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| LM3477AMM/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| LM3477AMMX | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| LM3477AMMX/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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