U6083B TEMIC Semiconductors, U6083B Datasheet

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U6083B

Manufacturer Part Number
U6083B
Description
Manufacturer
TEMIC Semiconductors
Datasheet

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TELEFUNKEN Semiconductors
Rev. A1, 14-Feb-97
PWM Power Control with Interference Suppression
Description
The U6083B is a PWM IC in bipolar technology for the
control of an N-channel power MOSFET used as a high
Features
D
D
D
D
Ordering Information
Block Diagram
Pulse-width modulation up to 2 kHz clock frequency
Protection
over–voltage and reverse V
Duty cycle 18 to 100% continuously
Internally reduced pulse slope of lamp’s voltage
Extended Type Number
C
C
1
2
U6083B
against
47 k
W
4
3
V
short
18 ... 100%
S
Duty cycle
1
range
S
RC oscillator
Control input
circuit,
Figure 1. Block diagram with external circuit
Duty cycle
load
reduction
150
GND
Package
W
DIP8
dump
+ short circuit detection
Current monitoring
2
R
3
Logic
PWM
monitoring
side switch. The IC is ideal for use in the brightness con-
trol (dimming) of lamps e.g., in dashboard applications.
D
D
D
Voltage
5
Interference and damage protection according to
VDE 0839 and ISO/TR 7637/1.
Charge pump noise suppressed
Ground wire breakage protection
C
5
Slew rate
Charge
Output
control
pump
Ground
95 9753
6
7
8
Remarks
R
sh
U6083B
47 nF
V
C
Batt
3
1 (8)

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U6083B Summary of contents

Page 1

... PWM Power Control with Interference Suppression Description The U6083B is a PWM IC in bipolar technology for the control of an N-channel power MOSFET used as a high Features D Pulse-width modulation kHz clock frequency D Protection against short circuit, over–voltage and reverse Duty cycle 18 to 100% continuously D Internally reduced pulse slope of lamp’ ...

Page 2

... U6083B Pin Description GND Osc 4 95 9944 Functional Description Pin 1, Supply Voltage Batt Overvoltage Detection Stage 1: If overvoltages V > (typ.) occur, the external Batt transistor is switched off and switched on again at V < 18.5 V (hysteresis). Batt Stage > ...

Page 3

... charged by a current source of I FET is switched off after the cut-off threshold (V reached. Renewed switching on of the FET is possible only after a power-on reset. The current source ensures that the capacitor C ) currents. U6083B , the slope can be further ...

Page 4

... U6083B Time delay follows – dis With C = 100 nF and have dis 100 nF 10.4 V/ (13 A – 104 Current Limitation: The lamp current is limited by a control amplifier to protect the external power transistor. The voltage drop across an external shunt resistor acts as the measured variable ...

Page 5

... Pin4 0.68 1 T100 0. 100 0. osc = U6083B Typ. Max. Unit 20.0 21.7 V 18.5 20.3 28.5 32.5 V 23.0 26.5 20.0 21.5 V 100 120 mV 90 105 10.4 10 400 520 kHz 27.5 30 ...

Page 6

... U6083B Application 6 (8) Figure 3. TELEFUNKEN Semiconductors Rev. A1, 14-Feb-97 ...

Page 7

... Package Information Package DIP8 Dimensions in mm 0.58 0. TELEFUNKEN Semiconductors Rev. A1, 14-Feb-97 9.8 7.77 9.5 7.47 1.64 1.44 4.8 max 6.4 max 3.3 0.5 min 0.36 max 9.8 2.54 8.2 7.62 5 technical drawings according to DIN specifications 4 U6083B 13021 7 (8) ...

Page 8

... U6083B Ozone Depleting Substances Policy Statement It is the policy of TEMIC TELEFUNKEN microelectronic GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment ...

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