參數(shù)資料
型號(hào)： L6730
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： 20 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20
封裝： HTSSOP-20
文件頁(yè)數(shù)： 20/52頁(yè)
文件大?。?/td> 1569K
代理商： L6730
L6730 - L6730B
Device description
Doc ID 11938 Rev 3
27/52
Working with a 12 V BUS, setting the UVLO at 8.6 V can be very helpful to limit the input
current in case of BUS fall.
5.9
Adjustable masking time
By connecting the masking time pin to VCCDR or GND it is possible to select two different
values for the peak current protection leading edge blanking time. This is useful to avoid any
false OCP trigger due to spikes and oscillations generated at the turn-on of the high-side
MOSFET(s). The amount of this noise depends very much on the layout, MOSFETs, free-
wheeling diode, switched current, and input voltage.
When good layout and medium current are used, the minimum masking time can be
chosen, while in case of higher noise, it is better to select the maximum masking time. By
connecting the tMASK pin to VCCDR the masking time is about 400 ns, while connecting it to
GND results in about 260 ns masking time.
5.10
Multifunction pin (S/O/U L6730) (CC/O/U L6730B)
With this pin it is possible:
●
To enable disable the sink mode current capability (L6730) or the constant current
protection (L6730B) at the end of the soft-start
●
To enable or disable the latch-mode for the OVP
●
To set the UVLO threshold for 5 V BUS and 12 V busses
Figure 22.
Valley OCP (L6730B)
VOUT
IL
TOFF
Valley th
相關(guān)PDF資料
PDF描述
L6730B 20 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20
L6730TR 20 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20
L6732CTR 20 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
L6732 SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
L6732TR SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6730_09 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Adjustable step-down controller with synchronous rectification
L6730B 功能描述:DC/DC 開關(guān)控制器 Adjustable Step Down Controller 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
L6730BTR 功能描述:DC/DC 開關(guān)控制器 Adjustable Step Down Controller 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
L6730C 功能描述:IC REG CTRLR BUCK PWM VM 20TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無 升壓:無 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 產(chǎn)品目錄頁(yè)面:1316 (CN2011-ZH PDF)
L6730CQ 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Adjustable step-down controller with synchronous rectification
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