MC33092 Datasheet PDF | Unisonic Technologies

Unisonic Technologies MC33092

The MC33092 is specifically designed for voltage regulation and Load Response Control (LRC) of diode rectified alternator charging systems, as commonly found in automotive applications. In maintaining system voltage, the MC33092 monitors and compares the system battery voltage to an externally programmed set point value and pulse width modulates an N–channel MOSFET transistor to control the average alternator field current.

Part No.	MC33092
Datasheet	MC33092 Download
Manufacturer	Unisonic Technologies
Description	Voltage Regulator
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DESCRIPTION

SOP-20 FEATURE *Forced Load Response Control (LRC) with Heavy Load Transitions at Low RPM *Capable of Regulating Voltage to ± 0.1 V @ 25°C *Operating Frequency Selectable with One External Resistor *< 0.1 V Variation over Speed Range of 2000 to 10,000 RPM *< 0.4 V Variation over 10% to 95% of Maximum Alternator Output *Maintains Regulation with External Loads as Low as 1.0 A *Load Dump Protection of Lamp, Field Control Devices, and Loads *Duty Cycle Limit Protection *Provides High Side MOSFET Control of a Ground Referenced Field Winding *Controlled MOSFET and Flyback Diode Recovery Characteristics for Minimum RFI *Optional 2.5 or 10 sec. LRC Rate Control (Osc. Freq. = 280 kHz) *Undervoltage, Overvoltage and Phase Fault (Broken Belt) Detection SOP-24 UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R121-006,A UTC MC33092 LINEAR INTEGRATED CIRCUIT PIN CONFIGURATION 20-pin Package F i l t er B u f f er R emot e S en s e L am p C ol l ec t or L amp B as e GND GND O s c i l l at or A d...