參數(shù)資料
型號(hào)： L6727TR
廠商： STMICROELECTRONICS
元件分類(lèi)： 穩(wěn)壓器
英文描述： 1.5 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO8
封裝： LEAD FREE, SOP-8
文件頁(yè)數(shù)： 19/34頁(yè)
文件大?。?/td> 974K
代理商： L6727TR
20 A demonstration board
L6727
26/34
Doc ID 12933 Rev 4
11.1
Board description
11.1.1
Power input (VIN)
This is the input voltage for the power conversion. The high-side MOSFET drain is
connected to this input. Supply must be compliant with VIN recommended operating
conditions and capacitors rating.
If VIN voltage is compliant also to VCC range listed in recommended operating conditions, it
can supply also the device through R16 resistor. When VCC > 5 V, R6 need to be removed.
11.1.2
Power output (VOUT)
This is the output voltage of the power conversion. The output voltage is programmed to
1.25 V. It can be changed by replacing R13. R6 allows to adjust OCP threshold when
VCC = 5 V.
11.1.3
IC additional supply (VCC)
The controller can be supplied separately from the power conversion through VCC input. In
this case, to separate VCC from VIN, R16 resistor must be removed. When VCC > 5 V, R6
need to be removed.
11.1.4
Test points
The following test points are provided to allow easy probing of important signals:
–
COMP: output of the error amplifier;
–
FB: inverting input of the error amplifier;
–
PH: Phase pin of the device;
–
LG: Low-Side gate pin of the device;
–
UG: High-Side gate pin of the device.
11.1.5
Demonstration board efficiency
Figure 15.
20 A demonstration board efficiency
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PDF描述
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L6728 功能描述:DC/DC 開(kāi)關(guān)控制器 Sngl phase PWM 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
L6728_0706 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Single phase PWM controller with Power Good
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L6728AH 功能描述:軟開(kāi)關(guān) PWM 控制器 Sgl Output 600 KHz DFPN-10 RoHS:否 制造商:Fairchild Semiconductor 輸出端數(shù)量: 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:30 V 電源電流: 最大工作溫度:+ 105 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
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