參數(shù)資料
型號: ML4870
廠商: Fairchild Semiconductor Corporation
英文描述: High Current Boost Regulator with Load Disconnect(負載可分離的大電流升壓穩(wěn)壓器)
中文描述: 高電流升壓穩(wěn)壓器與負載斷開(負載可分離的大電流升壓穩(wěn)壓器)
文件頁數(shù): 4/8頁
文件大?。?/td> 80K
代理商: ML4870
ML4870
4
REV. 1.0 10/12/2000
Q1 ON
Q2 OFF
Q1 OFF
Q2 ON
IL
VL2
IL(MAX)
ISET
VOUT
0
0
VL2
5
VOUT
6
+
SHUTDOWN
CONTROL
4
SHDN
VIN
IL
2
2.4V
START-UP
3
GND
VL1
1
SYNCHRONOUS
RECTIFIER
CONTROL
BOOST
CONTROL
SHDN
+
+
8
PWR GND
A1
A2
A3
Q1
Q2
Q3
VOUT
RSENSE
Figure 1. Application Test Circuit
Figure 3. Inductor Current and Voltage Waveforms
Figure 2. PFM Regulator Block Diagram
ML4870
IOUT
100μF
100μF
VIN
27μH
(SUMIDA CD75)
VL1
VIN
GND
SHDN
PWR GND
NC
VL2
VOUT
相關PDF資料
PDF描述
ML4872 High Current Boost Regulator with Shutdown(帶關斷電路的大電流升壓穩(wěn)壓器)
ML4875 High Current Boost Regulator with Shutdown(帶關斷電路的大電流升壓穩(wěn)壓器)
ML4876 LCD Backlight Lamp Driver(LCD背光燈驅(qū)動器)
ML4877 LCD Desktop Backlight Lamp Driver(LCD桌面背光燈驅(qū)動器)
ML4880 Portable PC/PCMCIA Power Controller(便攜式PC/PCMCIA電源控制器)
相關代理商/技術參數(shù)
參數(shù)描述
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