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參數(shù)資料
| 型號： | LM5033SD |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 100V Push-Pull Voltage Mode PWM Controller |
| 中文描述： | 0.34 A SWITCHING CONTROLLER, PDSO10 |
| 封裝： | 4 X 4 MM, PLASTIC, LLP-10 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 295K |
| 代理商： | LM5033SD |
Pin Description
PIN
1
NAME
Vin
DESCRIPTION
APPLICATION INFORMATION
Input to the start-up regulator. Input range is 15V to
90V, with transient capability to 100V .
Sink only, requires an external pull-up resistor. This
can be used as a reference for external circuitry.
Feedback to the PWM comparator’s inverting input,
through a 3:1 divider. The output duty cycle increases
as this pin’s voltage increases. Internally there is a
5k
pullup to +5.2V.
An external voltage (10V - 15V) can be applied to this
pin to shutdown the internal regulator, thereby
reducing internal dissipation. An internal diode
connects Vcc to Vin.
Alternating output gate driver, which can source and
sink 1.5A.
Alternating output gate driver, which can source and
sink 1.5A.
Connections to external ground must be done with
care for optimum performance. See the Functional
Description and Applications Section for more
information.
Current sense input for the current limit detection. If
CS exceeds 0.5V the outputs are disabled and the
softstart pin is discharged to ground.
An external resistor to ground sets the oscillator
frequency. This pin will also accept ac-coupled
synchronization pulses from an external source.
An internal 10μA current source and an external
capacitor set the soft-start timing. This pin can be
externally pulled to below 0.5V to disable the output
drivers.
Input Voltage
2
REF
2.5V precision reference output
3
COMP
PWM Input
4
VCC
9.6V output from the internal high voltage series
pass regulator
5
OUT1
Gate Driver Output #1
6
OUT2
Gate Driver Output #2
7
GND
Ground pin for all internal circuitry
8
CS
Current sense input
9
R
T
/ SYNC
Oscillator timing resistor pin and synchronization
input
10
SS
Softstart pin
L
www.national.com
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM5033SD/NOPB | 功能描述:電壓模式 PWM 控制器 100V Push-Pull Volt Mode PWM Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| LM5033SD-EVAL | 功能描述:電源管理IC開發(fā)工具 LM5033SD 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 |
| LM5033SDX | 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| LM5033SDX/NOPB | 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| LM5034 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Voltage Dual Interleaved Current Mode Controller with Active Clamp |
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