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NTE7109

NTE Electronics
Part Number NTE7109
Manufacturer NTE Electronics
Description Integrated Circuit Switching Regulator Control
Published May 12, 2005
Detailed Description NTE7109 Integrated Circuit Switching Regulator Control Description: The NTE7109 is a primary switching regulator control...
Datasheet PDF File NTE7109 PDF File

NTE7109
NTE7109

Overview
NTE7109 Integrated Circuit Switching Regulator Control Description: The NTE7109 is a primary switching regulator controller in a 16–Lead DIP type package designed to get the regulated DC voltage from an AC power supply.
This device can directly drive a MOSFET with fast rise and fall output pulses.
The NTE7109 contains not only a high frequency OSC and fast output drive, but also a current limiter with fast response and high sensibility so a true “fast switching regulator” can be realized.
By adding additional compenents to the primary side, a timer–type protection circuit can be made for protection against short–circuit and overcurrent.
Features: D 500kHz Operation to MOSFET • Output Current: ±2A • Output Rise Time: 60ns; Fall Time: 40ns • Modified Totem–Pole Output Method with Low Through Current D Compact and Light–Weight Power Supply • Low Start–Up Current: 90µA Typ.
• Wide Range Between “Start–Up Voltage” and “Stop Voltage” make the Power Input Smooting Capacitor Low; Start–Up Threshold Voltage: 16V; Stop Voltage: 10V • High Power Dissipation Package withstands the Heat Generated bt the Gate–Drive Current of a MOSFET D Simplified Peripheral Circuit with Protection Circuit and Built–In Large–Capacity Totem–Pole Output • High–Speed Current Limiting Circuit using Pulse–by–Pulse Method (Two Systems of CLM+pin, CLM–pin) • Protection by Intermittent Operation of Output Overcurrent: Timer Protection Circuit • Overvoltage Protection Circuit with an Externally Resettable Latch (OVP) • Protection Circuit for Output Miss Action at Low Supply Voltage (UVLO) D High–Performance and Highly Functional Power Supply • Triangular Wave Oscillator for Easy Dead Time Setting Applications: D Feed Forward Regulator D Flyback Regulator Absolute Maximum Ratings: Supply Voltage, VCC .
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31V Collector Voltage, VC .
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