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參數(shù)資料
| 型號： | LM3478MMX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High Efficiency Low-Side N-Channel Controller for Switching Regulator |
| 中文描述： | 1 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 2/21頁 |
| 文件大?。?/td> | 624K |
| 代理商： | LM3478MMX |
Connection Diagram
10135502
8 Lead Mini SO8 Package (MSOP-8 Package)
Package Marking and Ordering Information
Order Number
LM3478MM
Package Type
MSOP-8
Package Marking
S14B
Supplied As:
1000 units on Tape and
Reel
3500 units on Tape and
Reel
LM3478MMX
MSOP-8
S14B
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.
Feedback pin. The output voltage should be adjusted using a
resistor divider to provide 1.26V at this pin.
Analog ground pin.
Power ground pin.
Drive pin of the IC. The gate of the external MOSFET should be
connected to this pin.
Frequency adjust and Shutdown pin. A resistor connected to this
pin sets the oscillator frequency. A high level on this pin for
≥
30μs
will turn the device off. The device will then draw less than 10μA
from the supply.
Power Supply Input pin.
COMP
2
FB
3
AGND
PGND
DR
4
5
6
FA/SD
7
V
IN
8
L
www.national.com
2
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相關代理商/技術參數(shù) |
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|---|---|
| LM3478MMX/HALF | 制造商:Texas Instruments 功能描述: |
| LM3478MMX/NOPB | 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 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 安裝風格: 封裝 / 箱體:CPAK |
| LM3478MMX/S5000472 | 制造商:Texas Instruments 功能描述: |
| LM3478Q | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Efficiency Low-Side N-Channel Controller for Switching Regulator |
| LM3478QMM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Efficiency Low-Side N-Channel Controller for Switching Regulator |
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