參數(shù)資料
型號(hào)： L6910A
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝： EXPOSED PAD, HTSSOP-16
文件頁數(shù)： 28/30頁
文件大?。?/td> 763K
代理商： L6910A
7/29
L6910 - L6910A
avoided if the PHASE pin is over about 500mV. The lower mos is in any case turned-on after 200ns from the
high side turn-off.
The peak current is shown for both the upper (fig. 6) and the lower (fig. 7) driver at 5V and 12V. A 3.3nF capac-
itive load has been used in these measurements.
For the lower driver, the source peak current is 1.1A @ VCC = 12V and 500mA @ VCC = 5V, and the sink peak
current is 1.3A @ VCC = 12V and 500mA @ VCC = 5V.
Similarly, for the upper driver, the source peak current is 1.3A @ Vboot-Vphase = 12V and 600mA @ Vboot-
Vphase = 5V, and the sink peak current is 1.3A @ Vboot-Vphase =12V and 550mA @ Vboot-Vphase = 5V.
Figure 6. High Side Driver Peak Current. Vboot-Vphase = 12V (right) Vboot-Vphase = 5V (left)
Figure 7. Low Side Driver Peak Current. VCC = 12V (right) VCC = 5V (left)
4.5 Monitoring and Protections
The output voltage is monitored by means of pin FB. If it is not within ±10% (typ.) of the programmed value, the
powergood output is forced low.
The device provides overvoltage protection, when the voltage sensed on pin FB reaches a value 17% (typ.)
greater than the reference the OSC pin is forced high (3V typ.) and the lower driver is turned on as long as the
over-voltage is detected.
CH1 = High Side Gate CH4 = Gate Current
CH1 = Low Side Gate CH4 = Gate Current
相關(guān)PDF資料
PDF描述
L6910GTR 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
L6917BD SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO28
L6917BDTR SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO28
L6917D SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28
L6918ADTR SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PDSO28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6910ATR 功能描述:DC/DC 開關(guān)控制器 5.0 to 12V Step-Down 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(fēng)格: 封裝 / 箱體:CPAK
L6910G 功能描述:電壓模式 PWM 控制器 Adjustable Step Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(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
L6910GTR 功能描述:電壓模式 PWM 控制器 Adjustable Step Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(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
L6910R 功能描述:DC/DC 開關(guān)控制器 5.0 to 12V Step-Down 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(fēng)格: 封裝 / 箱體:CPAK
L6910RTR 功能描述:DC/DC 開關(guān)控制器 5.0 to 12V Step-Down 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(fēng)格: 封裝 / 箱體:CPAK
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