參數(shù)資料
型號(hào): LM3401MMX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 顯示驅(qū)動(dòng)器
英文描述: Hysteretic PFET Controller for High Power LED Drive
中文描述: LED DISPLAY DRIVER, PDSO8
封裝: PLASTIC, MSOP-8
文件頁(yè)數(shù): 2/18頁(yè)
文件大?。?/td> 324K
代理商: LM3401MMX
Connection Diagram
30021402
Top View
8-Lead Plastic MSOP
Ordering Information
Part Number
LM3401MM
LM3401MMX
Package Type
NS Package Drawing
Supplied As
MSOP-8
MUA08A
1000 Units on Tape and Reel
3500 Units on Tape and Reel
Pin Descriptions
Pin #
1
2
3
Pin Name
CS
DIM
SNS
Description
Current sense pin. Connect to the PFET drain
Dimming input pin. When DIM is low, the HG drive is off. Can be connected to a logic level PWM signal
Current feedback pin – to LED cathode. Connect a resistor from this pin to ground to set the DC LED
current
Hysteresis adjust pin. Connect a resistor from this pin to GND to set the hysteresis window
Ground pin
Gate drive output. Connect to the PFET gate
Power supply input
Current limit adjust pin. Connect a resistor from this pin to the PFET source to set the current limit threshold
4
5
6
7
8
HYS
GND
HG
VIN
ILIM
www.national.com
2
L
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