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MFG:MOT  Package Cooled:SOP  D/C:02+  

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Part Number: MC33092

 

MFG: MOT

Package Cooled: SOP

D/C: 02+

Description: The MC33092 is specifically designed for voltage regulation and Load Response Control (LRC) of diode r...


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MC33092 General Description


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 Nchannel MOSFET transistor to control the average alternator field current.

MC33092 Maximum Ratings

PARAMETER
SYMBOL
RATINGS
UNIT
Power Supply Voltage
Load Dump Transient Voltage (Note 1)
Negative Voltage (Note 2)
Vbat
+Vmax
Vmin
24
40
-2.5
V
Power Dissipation (Ta = 125 )
SOP-20
SOP-24
PD
867
1000
mW
Operating Ambient Temperature
Ta
-40 ~ +125
Operating Junction Temperature
Tj
+150
Storage Temperature
Tstg
-45 ~ +150
NOTES: 1. 125 ms wide square wave pulse.
             2. Maximum time = 2 minutes.

MC33092 Features

`Forced Load Response Control (LRC) with Heavy Load Transitions at Low RPM
`Capable of Regulating Voltage to ± 0.1 V @ 25
`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

MC33092 Connection Diagram

MC33092 Connection Diagram

MC33092 datasheet

MC33092
PDF/DataSheet Download

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