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參數(shù)資料
| 型號： | L6726A |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Single phase PWM controller |
| 中文描述： | 單相PWM控制器 |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 399K |
| 代理商： | L6726A |
L6726A
Device description
9/24
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Device description
L6726A is a single-phase PWM controller with embedded high-current drivers that provides
complete control logic and protections to realize in an easy and simple way a general DC-
DC step-down converter. Designed to drive N-channel MOSFETs in a synchronous buck
topology, with its high level of integration this 8-pin device allows reducing cost and size of
the power supply solution.
L6726A is designed to operate from a 5V or 12V supply bus. Thanks to the high precision
0.8V internal reference, the output voltage can be precisely regulated to as low as 0.8V with
±1% accuracy over line and temperature variations. The switching frequency is internally set
to 270kHz.
This device provides a simple control loop with externally compensated transconductance
error-amplifier and programmable soft start. Low-Side-Less feature allows the device to
perform soft-start over pre-charged output avoiding negative spikes at the load side.
In order to avoid load damages, L6726A provides programmable threshold over current
protection. Output current is monitored across Low-Side MOSFET R
dsON
, saving the use of
expensive and space-consuming sense resistor. L6726A also features FB disconnection
protection, preventing dangerous uncontrolled output voltages in case of floating FB pin.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L6726ATR | Single phase PWM controller |
| L6727 | Single phase PWM controller |
| L6727TR | Single phase PWM controller |
| L6730CQ | Adjustable step-down controller with synchronous rectification |
| L6730C | Adjustable step-down controller with synchronous rectification |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6726A_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Single phase PWM controller |
| L6726A_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Single phase PWM controller |
| L6726ATR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 PWM Controler Single 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(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6726-D18-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:UNIVERSAL SPEECH CIRCUIT |
| L6726G-D18-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:UNIVERSAL SPEECH CIRCUIT |
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