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PDF UL497 Data sheet ( Hoja de datos )
| Número de pieza | UL497 | |
| Descripción | HALL EFFECT PICKUP IGNITION CONTROLLER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UL497 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
UL497
Preliminary
LINEAR INTEGRATED CIRCUIT
HALL EFFECT PICKUP
IGNITION CONTROLLER
DESCRIPTION
As an integrated electronic ignition controller for breakerless
ignition systems which uses Hall effect sensors, the UTC UL497
drives an NPN external darlington to control the coil current
providing the required stored energy with low dissipation.
One of the UTC UL497 special features is the programmable
time for the recovery of the correct dwell ratio Td/T while the coil
peak current fails to reach 94 % of the nominal value.
FEATURES
* Direct driving of the external power darlington
* Coil current charent charging angle control
* Programme coil current peak limitation
* When 94% nominal current not reached programmable dwell
recovery time
* RPM output
* Has peranent conduction protection
* Overvoltage protection
* Internal supply zener
* Reverse battery protection
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UL497L-S16-R
UL497G-S16-R
UL497L-S16-T
UL497G-S16-T
Package
SOP-16
SOP-16
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
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UL497
Preliminary
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
D.C. Supply Current
Transient Supply Current tf fall time constant=100ms
I3
200 mA
800 mA
Supply Voltage
V3 Internal Limited to Vz3
RPM Voltage
D.C. Driver Collector Current
Pulse
(t ≤ 3ms)
V6
I16
28 V
300 mA
600 mA
Driver Collector Voltage
Auxiliary Zener Current
V16 28 V
I7 40 mA
D.C. Overvoltage Zener Pulse tfall=300μs
Current
trep Repetition Time≥3ms
Reverse Battery Voltage if Application Circuit
I15
VR
15 mA
35 mA
-16 V
Power Dissipation
TC=90°C
PD
1.2 W
Junction Temperature
Storage Temperature
TJ
TSTG
-55~150
-55~150
°C
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Junction to Ambient (Note)
θJA
50 (MAX)
°C/W
Note: Thermal resistance junction Ambient with the device soldered on the middle of an Ambient supporting
substrate measuring 15x20; 0.65mm thickness.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R118-015.a
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet UL497.PDF ] | |
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