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參數資料
| 型號： | LM5030 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 100V Push-Pull Current Mode PWM Controller |
| 中文描述： | 100V的推挽式電流模式PWM控制器 |
| 文件頁數： | 3/11頁 |
| 文件大?。?/td> | 230K |
| 代理商： | LM5030 |
Pin Description
Pin Name
Pin
Number
1
2
Description
Application Information
V
IN
V
FB
Source Input Voltage
Inverting input to the error amplifier The non-inverting input is internally connected to a 1.25 Volt
reference.
Output to the error amplifier
There is an internal 5K resistor pull-up on this pin. The error
amplifier provides an active sink.
Output from the internal high
voltage series pass regulator. The
regulation setpoint is 7.7 Volts.
shutdown, reducing the IC power dissipation.
Output of the PWM controller
Alternating PWM output gate driver.
Output of the PWM controller
Alternating PWM output gate driver.
Return
Ground
Current sense input
Current sense input for current mode control and current limit
sensing. Using separate dedicated comparators, if CS exceeds
0.5 Volt the outputs will go into Cycle by Cycle current limit. If CS
exceeds 0.625V the outputs will be disabled and a softstart
commenced.
Oscillator timing resistor pin and
synchronization input.
also accept synchronization pulses from an external oscillator.
Dual purpose Softstart and
Shutdown pin
timing length. The controller will enter a low power state if the SS
pin is pulled below the typical shutdown threshold of 0.45V.
Input to start-up regulator. Input range 14 to 100 Volts.
COMP
3
Vcc
4
If an auxiliary winding raises the voltage on this pin above the
regulation setpoint the internal series pass regulator will
OUT1
OUT2
GND
CS
5
6
7
8
RT
9
An external resistor sets the oscillator frequency. This pin will
SS
10
A 10μA current source and an external capacitor set the softstart
L
www.national.com
3
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM5030_05 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:100V Push-Pull Current Mode PWM Controller |
| LM5030EVAL | 功能描述:電源管理IC開發工具 LM5030 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LM5030MM | 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| LM5030MM | 制造商:Texas Instruments 功能描述:IC SW REG POWERWISE MSOP10 |
| LM5030MM/NOPB | 功能描述:電流型 PWM 控制器 100V Push-Pull Curr Mode PWM Controller RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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