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MC33092 の電気的特性と機能

MC33092のメーカーはUnisonic Technologiesです、この部品の機能は「LINEAR INTEGRATED CIRCUIT」です。


製品の詳細 ( Datasheet PDF )

部品番号 MC33092
部品説明 LINEAR INTEGRATED CIRCUIT
メーカ Unisonic Technologies
ロゴ Unisonic Technologies ロゴ 




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MC33092 Datasheet, MC33092 PDF,ピン配置, 機能
UTC MC33092 LINEAR INTEGRATED CIRCUIT
ALTERNATOR VOLTAGE
REGULATOR
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 N–channel MOSFET transistor to
control the average alternator field current.
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-20
SOP-24
UTC
UNISONIC TECHNOLOGIES CO., LTD. 1
QW-R121-006,A

1 Page





MC33092 pdf, ピン配列
UTC MC33092 LINEAR INTEGRATED CIRCUIT
PIN DESCRIPTION
20-pin
24-pin
Package Package
PIN No.
PIN NAME
DESCRIPTION
11
FB
This pin provides a filtered result of the Sense input (if the Sense input
is used) or the Supply Regulation input (if the Sense input is not used).
The Sense input is a remote, low current battery voltage reference
2
2
Sense
input used to give an accurate representation of the true battery
voltage. This input is also used to monitor overvoltage or load dump
conditions.
Lamp Collector This pin connects to the collector of the transistor (Q2) used to drive
33
and the fault lamp. It is also used to sense a closed ignition switch (voltage
Power-Up/Down sense) which then turns power on to the IC.
4
4
Lamp Base
The Lamp Base pin provides base current to the fault lamp drive
transistor (Q2).
5
5
Ground
Grounded to provide a ground return for the fault lamp control logic
circuit.
6, 15
6,15
Ground IC ground reference pins.
7 7 Oscillator Adjust A resistor to ground on this pin adjusts the internal oscillator frequency.
This is a test point for the 1.1 V to 1.4 V reference voltage. It has a zero
8
8
Vref0 *
temperature coefficient. The reference is used internally for phase
signal and undervoltage detection.
9 9 Oscillator * Test point for checking the operation of the internal oscillator.
10 10
Phase
The Phase input detects the existence of a magnetic field rotating
within the alternator.
11 11
Rate
The Rate pin is used to select a slow mode (floating) or fast mode
(ground) Load
Response Control recovery rate.
12
12
Supply
Regulation
The voltage on the Supply Regulation pin is used as a representation
of the alternator output voltage. This input also used to monitor
overvoltage or load dump conditions.
13 13
VCC3
Positive supply for the internal Charge Pump.
14 14
VCC1
Positive supply for the entire IC except for the Charge Pump.
15,6
15,6
Ground Ground reference for the IC.
16
16,17,18,
19,20
N/C No connection.
17 21
Gate
Controls the Gate of the MOSFET used to energize the field winding.
18
22
Source
Field winding control MOSFET source reference.
If the voltage at this pin goes below 1.0 V, the fault lamp is guaranteed
19 23 Undervoltage to turn on. The IC will continue to function, but with limited
performance.
Test point for the 1.7 V to 2.3 V Bandgap reference voltage. This
20 24**
Vref *
voltage has a negative temperature coefficient of approximately –11
mV/°C.
NOTE: * Pins 8, 9 and 20(24**) are test points only.
** For 24-pin package.
UTC
UNISONIC TECHNOLOGIES CO., LTD. 3
QW-R121-006,A


3Pages


MC33092 電子部品, 半導体
UTC MC33092 LINEAR INTEGRATED CIRCUIT
APPLICATION CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD. 6
QW-R121-006,A

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
MC33091A

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MC33092

LINEAR INTEGRATED CIRCUIT

Unisonic Technologies
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MC33092A

ALTERNATOR VOLTAGE REGULATOR

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