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參數(shù)資料
| 型號： | LM3402MM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.5A Constant Current Buck Regulator for Driving High Power LEDs |
| 中文描述： | 0.94 A SWITCHING REGULATOR, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 2/22頁 |
| 文件大?。?/td> | 840K |
| 代理商： | LM3402MM |
Connection Diagram
20192102
8-Lead Plastic MSOP-8 Package
NS Package Number MUA08A
Ordering Information
Order Number
LM3402MM
LM3402MMX
LM3402HVMM
LM3402HVMMX
Package Type
NSC Package Drawing
Supplied As
MSOP-8
MUA08A
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 Descriptions
Pin(s)
1
2
3
Name
SW
BOOT
DIM
Description
Switch pin
Application Information
Connect this pin to the output inductor and Schottky diode.
Connect a 10 nF ceramic capacitor from this pin to SW.
Connect a logic-level PWM signal to this pin to enable/disable the
power FET and reduce the average light output of the LED array.
Connect this pin to system ground.
Set the current through the LED array by connecting a resistor from
this pin to ground.
A resistor connected from this pin to VIN sets the regulator
controlled on-time.
Bypass this pin to ground with a minimum 0.1 μF ceramic capacitor
with X5R or X7R dielectric.
Nominal operating input range is 6V to 42V (LM3402) or 6V to 75V
(LM3402HV).
MOSFET drive bootstrap pin
Input for PWM dimming
4
5
GND
CS
Ground pin
Current sense feedback pin
6
RON
On-time control pin
7
VCC
Output of the internal 7V linear
regulator
Input voltage pin
8
VIN
L
www.national.com
2
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| LM3404 | 1.0A Constant Current Buck Regulator for Driving High Power LEDs |
| LM3404HV | 1.0A Constant Current Buck Regulator for Driving High Power LEDs |
| LM3405 | 550kHz/1.6MHz 1A Constant Current Buck Regulator for Powering LEDs |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3402MM/HALF | 制造商:Texas Instruments 功能描述:DRIVER LED 0.5A POWERWISE MSOP8 |
| LM3402MM/NOPB | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 0.5A CONSTANT CRNT BUCK REG RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| LM3402MMX | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| LM3402MMX/NOPB | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| LM3402MR | 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 6V to 42V 8-Pin PSOP EP Rail |
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