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MFG:MOT  Package Cooled:SOP-8  D/C:08+  

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Part Number: MC33341

 

MFG: MOT

Package Cooled: SOP-8

D/C: 08+

Description: The MC33341 is a monolithic regulation control circuit that is specifically designed to close the volt...


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MC33341 General Description


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 highside, load highside, source lowside and load lowside 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 lowside 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 8lead dualinline and surface mount packages.

MC33341 Maximum Ratings

Symbol Parameter Value Unit
VCC Power Supply Voltage (Pin 7) 16 V
VIR
Input Voltage Range
Time/Temperature Select (Pins 5, 6, 7)
Battery Sense, Note 1 (Pin 1)
1.0 to VCC
V
ISource Drive Output Source Current (Pin 8)
50

mA
RqJA Thermal Resistance, JunctiontoAir
P Suffix, DIP Plastic Package, Case 626
D Suffix, SO8 Plastic Package, Case 751
100
178
°C/W
Tj Operating Junction Temperature 25 to +150 °C
Tstg Storage Temperature Range 65 to + 150
°C
NOTE: ESD data available upon request.

MC33341 Features

• Differential Amplifier for HighSide Source and Load Current Sensing
• Inverting Amplifier for Source Return LowSide Current Sensing
• NonInverting Input Path for Load LowSide 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 LowSide Current Sensing Modes
• Output Driver Directly Interfaces with Economical Optoisolators
• Operating Voltage Range of 2.3 V to 16 V

MC33341 Connection Diagram

MC33341  Connection Diagram

MC33341 datasheet

MC33341
PDF/DataSheet Download

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