參數(shù)資料
型號： LM3485
廠商： National Semiconductor Corporation
英文描述： Hysteretic PFET Buck Controller
中文描述： 遲滯PFET的降壓控制器
文件頁數(shù)： 2/15頁
文件大?。?/td> 369K
代理商： LM3485
Connection Diagram
Top View
20034609
8 Lead Plastic MSOP-8
NS package Number MUA08A
Package Marking and Ordering Information
Order Number
LM3485MM
LM3485MMX
Package Type
MSOP-8
MSOP-8
Package Marking
S29B
S29B
Supplied As:
1000 units on Tape and Reel
3500 units on Tape and Reel
Pin Description
Pin Name
ISENSE
Pin Number
1
Description
The current sense input pin. This pin should be connected to Drain
node of the external PFET.
Signal ground.
No connection.
The feedback input. Connect the FB to a resistor voltage divider
between the output and GND for an adjustable output voltage.
Current limit threshold adjustment. It connects to an internal 5.5μA
current source. A resistor is connected between this pin and the
input Power Supply. The voltage across this resistor is compared
with the V
DS
of the external PFET to determine if an over-current
condition has occurred.
Power ground.
Gate Drive output for the external PFET. PGATE swings between
V
IN
and V
IN
-5V.
Power supply input pin.
GND
NC
FB
2
3
4
ADJ
5
PWR GND
PGATE
6
7
VIN
8
L
www.national.com
2
相關(guān)PDF資料
PDF描述
LM3485MM Hysteretic PFET Buck Controller
LM3485MMX Hysteretic PFET Buck Controller
LM3488 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
LM3488MM 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
LM3488MMX 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3485EVAL 功能描述:電源管理IC開發(fā)工具 LM3485MM EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
LM3485LED 制造商:Texas Instruments 功能描述:
LM3485LED EVAL 功能描述:板上安裝溫度傳感器 LM3485LED EVAL Brd RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
LM3485LEDEVAL 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
LM3485MM 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 安裝風格: 封裝 / 箱體:CPAK
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