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U6084B PDF Data sheet ( 特性 )

部品番号 U6084B
部品説明 PWM Power Control with Automatic Duty Cycle Reduction
メーカ TEMIC Semiconductors
ロゴ TEMIC Semiconductors ロゴ 



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U6084B Datasheet, U6084B PDF,ピン配置, 機能
U6084B
PWM Power Control with Automatic Duty Cycle Reduction
Description
The U6084B is a bipolar technology PWM-IC designed
for the control of an N-channel power MOSFET used as
a high-side switch. The IC is ideal for use in the brightness
control (dimming) of lamps such as, in dashboard
applications. For a constant brightness the preselected
duty cycle can be reduced automatically as a function of
the supply voltage.
Features
D Pulse width modulation up to 2 kHz clock frequency
D Protection against short circuit, load-dump
overvoltage and reverse VS
D Duty cycle 0 to 100 % continuously
D Output stage for power MOSFET
D Interference and damage protection according to
VDE 0839 and ISO/TR 7637/1.
D Charge pump noise suppressed
D Ground wire breakage protection
Ordering Information
Extended Type Number
U6084B–FP
Package
SO16
Remarks
Block Diagram
VS
16
9
Short circuit
latch monitoring
5
6
C1 47 kW
RC oscillator
Control input
3
C5
11
Current monitoring
+ short circuit detection
12
PWM
Logic
Charge 13
pump
14
Output
C2
Duty cycle
range
0–100%
Duty cycle
reduction
Voltage
monitoring
Enable/
disable
4 12
C6
95 9751
Rsh
VBatt
C3
47 nF
150W R3
Figure 1. Block diagram with external circuit
Ground
TELEFUNKEN Semiconductors
Rev. A1, 14-Feb-97
1 (8)

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