參數(shù)資料
型號(hào)： L6710
廠(chǎng)商： STMICROELECTRONICS
元件分類(lèi)： 穩(wěn)壓器
英文描述： 2 A SWITCHING CONTROLLER, PQFP44
封裝： 10 X 10 MM, 1 MM HEIGHT, TQFP-44
文件頁(yè)數(shù)： 9/34頁(yè)
文件大小： 1610K
代理商： L6710
17/34
L6710
Figure 9. OVP (left) and UVP (right) latch.
SOFT START, INHIBIT AND POWER DOWN
At start-up a ramp is generated increasing the loop reference from 0V to the final value programmed by
VID in 2048 clock periods as shown in figure 10.
Once the soft start begins, the reference is increased: upper and lower MOS begin to switch and the output
voltage starts to increase with closed loop regulation. At the end of the digital soft start, the Power Good
comparator is enabled and the PGOOD signal is then driven high (See fig. 10). The Under Voltage com-
parator is enabled when the reference voltage reaches 0.6V. The Soft-Start will not take place, if both VCC
and VCCDR pins are not above their own turn-on thresholds.
During normal operation, if any under-voltage is detected on one of the two supplies the device shuts
down. Forcing the OUTEN pin to a voltage lower than 0.4V (Typ.) disables the device: all the power mos-
fets and protections are turned off until the condition is removed.
Figure 10. Soft Start
LGATEx
OSC/FAULT
OUTEN
REF_OUT
LGATEx
OSC/FAULT
OUTEN
REF_OUT
VCC=VCCDR
VLGATEx
PGOOD
VOUT
t
Turn ON threshold
2048 Clock Cycles
Timing Diagram
Acquisition:
CH1=PGOOD; CH2=REF_OUT;
CH3=VOUT; CH4=LGATEx)
相關(guān)PDF資料
PDF描述
L6710TR 2 A SWITCHING CONTROLLER, PQFP44
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L6716TR DUAL SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, QCC48
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6710TR 功能描述:功率驅(qū)動(dòng)器IC 6-Bit Dual Ph Contlr RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
L6711 功能描述:DC/DC 開(kāi)關(guān)控制器 3 PHASE CONTROLLER RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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
L6711_06 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:3 Phase controller with dynamic VID and selectable DACs
L6711TR 功能描述:DC/DC 開(kāi)關(guān)控制器 3 PHASE CONTROLLER RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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
L6712 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:TWO-PHASE INTERLEAVED DC/DC CONTROLLER
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