- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄67754 > L6706 (STMICROELECTRONICS) SWITCHING REGULATOR, QCC40 PDF資料下載
參數(shù)資料
| 型號： | L6706 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, QCC40 |
| 封裝： | 6 X 6 MM, ROHS COMPLIANT, VFQFPN-40 |
| 文件頁數(shù)： | 16/47頁 |
| 文件大?。?/td> | 623K |
| 代理商： | L6706 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁當前第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁
L6706
Droop thermal compensation
Doc ID 15698 Rev 2
23/47
9
Droop thermal compensation
Current sense element (DCR inductor) has a non-negligible temperature variation. As a
consequence, the sensed current is subjected to a measurement error that causes the
regulated output voltage to vary accordingly (when droop function is implemented).
To recover from this temperature related error, NTC resistor can be added into feedback
compensation network, as shown in Figure 8.
The output voltage is then driven by the following relationship (neglecting the OFFSET
voltage term):
where RFB is the equivalent feedback resistor and it depends on the temperature through
NTC resistor.
Considering the relationships between IDROOP and the IOUT, the output voltage results:
where T is the temperature.
If the inductor temperature increases the DCR inductor increases and NTC resistor
decreases. As a consequence the equivalent RFB resistor decreases keeping constant the
output voltage respect to temperature variation.
NTC resistor must be placed as close as possible to the sense element (phase inductor).
Figure 8.
NTC connections for DC load line thermal compensation
V
OUT
V
PROG
R
FB
I
DROOP
()
–
=
V
OUT
TI
OUT
(,
)
[]
V
PROG
R
FB T
[] DCR T
[]
Rg
---------------------- I
OUT
–
=
COMP
To GND_core
(Remote Sense)
ERROR AMPLIFIER
FB
FBG
I
DROOP
To VCC_core
(Remote Sense)
VPROG
VREF
FBG
GND DROP
RECOVERY
I
OS
CP
RF
CF
RFB
NTC
RFB3
RFB2
RFB1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L6717 | DUAL SWITCHING CONTROLLER, 575 kHz SWITCHING FREQ-MAX, QCC48 |
| L6728HTR | SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO10 |
| L6728H | SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO10 |
| L6728 | 1.5 A SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, DSO10 |
| L6728TR | 1.5 A SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, DSO10 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6706TR | 功能描述:DC/DC 開關(guān)控制器 VR11.1 SINGLE PHASE CNTRL W/INT DRI 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 安裝風格: 封裝 / 箱體:CPAK |
| L6709 | 功能描述:功率驅(qū)動器IC 6-Bit Dual Ph Contlr RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| L6709TR | 功能描述:功率驅(qū)動器IC 6-Bit Dual Ph Contlr RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| L6710 | 功能描述:功率驅(qū)動器IC 6-Bit Dual Ph Contlr RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| L6710TR | 功能描述:功率驅(qū)動器IC 6-Bit Dual Ph Contlr RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。