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MC33341_06 PDF预览

MC33341_06

更新时间: 2024-10-04 11:56:31
品牌 Logo 应用领域
安森美 - ONSEMI 电池
页数 文件大小 规格书
19页 243K
描述
Power Supply Battery Charger Regulation Control Circuit

MC33341_06 数据手册

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MC33341  
Power Supply Battery  
Charger Regulation  
Control Circuit  
The MC33341 is a monolithic regulation control circuit that is  
specifically designed to close the voltage and current feedback loops in  
power supply and battery charger applications. This device features the  
unique ability to perform source high−side, load high−side, source  
low−side and load low−side current sensing, each with either an  
internally fixed or externally adjustable threshold. The various current  
sensing modes are accomplished by a means of selectively using the  
internal differential amplifier, inverting amplifier, or a direct input path.  
Positive voltage sensing is performed by an internal voltage amplifier.  
The voltage amplifier threshold is internally fixed and can be externally  
adjusted in all low−side current sensing applications. An active high  
drive output is provided to directly interface with economical  
optoisolators for isolated output power systems. This device is available  
in 8−lead dual−in−line and surface mount packages.  
http://onsemi.com  
MARKING  
DIAGRAMS  
8
SOIC−8  
D SUFFIX  
CASE 751  
33341  
ALYW  
G
1
1
8
PDIP−8  
P SUFFIX  
CASE 626  
MC33341P  
AWL  
YYWWG  
Features  
Differential Amplifier for High−Side Source and Load Current Sensing  
Inverting Amplifier for Source Return Low−Side Current Sensing  
Non−Inverting Input Path for Load Low−Side Current Sensing  
Fixed or Adjustable Current Threshold in All Current Sensing Modes  
Positive Voltage Sensing in All Current Sensing Modes  
Fixed Voltage Threshold in All Current Sensing Modes  
Adjustable Voltage Threshold in All Low−Side Current Sensing Modes  
Output Driver Directly Interfaces with Economical Optoisolators  
Operating Voltage Range of 2.3 V to 16 V  
1
1
A
= Assembly Location  
L, WL = Wafer Lot  
Y, YY = Year  
W, WW = Work Week  
G or G = Pb−Free Package  
(Note: Microdot may be in either location)  
Pb−Free Packages are Available  
PIN CONNECTIONS  
Current Sense Input B/ Voltage Sense  
Drive Output  
8
V
Voltage Threshold Adjust  
Input  
CC  
Current Sense  
7
6
5
Drive Output  
1
2
3
4
8
7
6
5
Input A  
Current Threshold  
Adjust  
V
CC  
Differential  
Amp  
Current Sense Input B/  
Voltage Threshold Adjust  
Voltage and Current  
Transconductance  
Amp/Driver  
Compensation  
GND  
1.0  
Voltage Sense Input  
V
1.2 V  
0.2 V  
(Top View)  
#1.0  
I
Inverting/  
Noninverting Amp  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
Reference  
dimensions section on page 17 of this data sheet.  
1
2
3
4
Current Sense Input A  
Current  
Compensation  
GND  
Threshold Adjust  
This device contains 114 active transistors.  
Figure 1. Representative Block Diagram  
© Semiconductor Components Industries, LLC, 2006  
1
Publication Order Number:  
August, 2006 − Rev. 4  
MC33341/D  

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