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MC33341D bảng dữ liệu(PDF) 1 Page - ON Semiconductor |
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1 / 20 page Device Operating Temperature Range Package MC33341 SEMICONDUCTOR TECHNICAL DATA POWER SUPPLY BATTERY CHARGER REGULATION CONTROL CIRCUIT ORDERING INFORMATION MC33341D MC33341P TA = –25° to +85°C SO–8 Plastic DIP P SUFFIX PLASTIC PACKAGE CASE 626 8 1 18 7 6 5 2 3 4 (Top View) Current Sense Input A Current Threshold Adjust Compensation Drive Output PIN CONNECTIONS Order this document by MC33341/D 8 1 D SUFFIX PLASTIC PACKAGE CASE 751 (SO–8) Gnd VCC Current Sense Input B/ Voltage Threshold Adjust Voltage Sense Input 1 MOTOROLA ANALOG IC DEVICE DATA 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. • 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 Representative Block Diagram This device contains 114 active transistors. 8 Drive Output 1 Current Sense Input A 7 VCC 2 Current Threshold Adjust 6 Current Sense Input B/ Voltage Threshold Adjust 3 Compensation 5 Voltage Sense Input 4 Gnd Differential Amp Inverting/ Noninverting Amp V I 0.2 V 1.2 V Reference Voltage and Current Transconductance Amp/Driver 1.0 #1.0 © Motorola, Inc. 1998 Rev 1 |
Số phần tương tự - MC33341D |
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Mô tả tương tự - MC33341D |
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