參數(shù)資料
型號: UC3910N
英文描述: VERY LOW QUIESCENT CURRENT DUAL VOLTAGE REGULATOR
中文描述: D / A轉換
文件頁數(shù): 5/6頁
文件大?。?/td> 247K
代理商: UC3910N
UNITRODE CORPORATION
7 CONTINENTAL BLVD.
MERRIMACK, NH 03054
TEL. (603) 424-2410
FAX (603) 424-3460
value of R
F
such that it limits the current into VSENSE
to
0.5mA.
R
F
C
F
=
1
F
SWITCH
10
2
π
R
F
V
OUT
0.5mA
The Overvoltage Protection output, OVP can be used
to directly drive a crowbarring SCR, as shown in Figure
3.
A typical application is shown in Figure 4 using the
UC3910 together with the UC3886 Average Current
Mode PWM Controller IC for a power supply to drive In-
tel’s PentiumPro processor.
-15
-10
-5
0
5
10
15
20
25
30
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Ratio R
DIV
T
UV
OV
OVP
Figure 2. OV, UV and OVP Percentage Thresholds as a
Function of the Divider Ratio R
DIV
UC1910
UC2910
UC3910
Figure 3. Driving and SCR Using the UC3910 OVP
Signal
Figure 4. UC3910 Configured with the UC3886 for a Pentium Pro DC/DC Converter
APPLICATION INFORMATION (cont.)
UDG-96021
UDG-96019
5
Powered by ICminer.com Electronic-Library Service CopyRight 2003
相關PDF資料
PDF描述
UC1914J ADVANCED VOLTAGE REGULATOR
UC2914D 150MHZ PIXEL VIDEO CONTROLLER FOR MONITORS IN DC COUPLING MODE
UC2914J VIDEO PROCESSOR FOR CRT MONITORS WITH PICTUREBOOST
UC3914D VERY LOW QUIESCENT CURRENT DUAL VOLTAGE REGULATOR
UC2577TD-ADJ Current-Mode SMPS Controller
相關代理商/技術參數(shù)
參數(shù)描述
UC3910NG4 功能描述:基準電壓& 基準電流 4-Bit DAC Voltage Monitor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數(shù)(典型值):100 PPM / C 串聯(lián) VREF - 輸入電壓(最大值): 串聯(lián) VREF - 輸入電壓(最小值): 分流電流(最大值):60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
UC3914 制造商:TI 制造商全稱:Texas Instruments 功能描述:5V to 35V Hot Swap Power Manager
UC3914D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Power Control/Management
UC3914DW 功能描述:熱插拔功率分布 5-35V Single Commercial Temp. RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
UC3914DWG4 功能描述:熱插拔功率分布 5-35V Single Commercial Temp. RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube