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參數(shù)資料
| 型號： | LM3310 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Step-up PWM DC/DC Converter with Integrated Op-Amp and Gate Pulse Modulation Switch |
| 中文描述： | 升壓PWM直流/直流轉(zhuǎn)換器集成的運算放大器和脈沖調(diào)制開關門 |
| 文件頁數(shù)： | 1/25頁 |
| 文件大?。?/td> | 1668K |
| 代理商： | LM3310 |
LM3310
Step-up PWM DC/DC Converter with Integrated Op-Amp
and Gate Pulse Modulation Switch
General Description
The LM3310 is a step-up DC/DC converter integrated with
an OperationalAmplifier and a gate pulse modulation switch.
The boost (step-up) converter is used to generate an adjust-
able output voltage and features a low R
DSON
internal switch
for maximum efficiency. The operating frequency is select-
able between 660kHz and 1.28MHz allowing for the use of
small external components. An external soft-start pin en-
ables the user to tailor the soft-start time to a specific appli-
cation and limit the inrush current. The Op-Amp is capable of
sourcing/sinking 135mA of current (typical). The gate pulse
modulation switch can operate with a VGH voltage of 5V to
30V. The LM3310 is available in a low profile 24-lead LLP
package.
Features
n
Boost converter with a 2A, 0.18
switch
n
Boost output voltage adjustable up to 20V
n
Operating voltage range of 2.5V to 7V
n
660kHz/1.28MHz pin selectable switching frequency
n
Adjustable soft-start function
n
Input undervoltage protection
n
Over temperature protection
n
Integrated Op-Amp
n
Integrated gate pulse modulation (GPM) switch
n
24-Lead LLP package
Applications
n
TFT Bias Supplies
n
Portable Applications
Typical Application Circuit
20133331
August 2005
L
S
2005 National Semiconductor Corporation
DS201333
www.national.com
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PDF描述 |
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| LM3310SQ | Step-up PWM DC/DC Converter with Integrated Op-Amp and Gate Pulse Modulation Switch |
| LM3310SQX | Step-up PWM DC/DC Converter with Integrated Op-Amp and Gate Pulse Modulation Switch |
| LM3351 | Switched Capacitor Voltage Converter |
| LM3351MM | Switched Capacitor Voltage Converter |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM3310_07 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Step-Up PWM DC/DC Converter with Integrated Op-Amp and Gate Pulse Modulation Switch |
| LM3310SQ | 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 |
| LM3310SQ/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 |
| LM3310SQX | 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 |
| LM3310SQX/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 |
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