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VB927T Datasheet(PDF) 3 Page - STMicroelectronics

Part No. VB927T
Description  HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C.
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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VB927T Datasheet(HTML) 3 Page - STMicroelectronics

   
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VB927T
THERMAL DATA
ELECTRICAL CHARACTERISTICS (VCC=14V; -40V < Tj < 125ºC unless otherwise specified)
(*) Coil data: primary resistance RC=0.4 - 0.8Ω; primary inductance LC= 6 - 8 mH
(**) Pulsed: Pulse duration =300
µs, duty cycle 1.5%
Note 1: Tjmin=150°C means that the behavior of the device will not be affected for junction temperature lower than 150°C. For higher
temperature, the thermal protection circuit will begin its action reducing the Icl limit according with the power dissipation. Chip temperature is
a function of the Rth of the whole system in which the device will be operating.
Symbol
Parameter
Value
Unit
Rthj-case
Thermal Resistance Junction-case
(MAX)
0.6
°C/W
Rthj-amb
Thermal Resistance Junction-ambient
(MAX)
30
°C/W
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Ileak
Collector Cut-off Current
VIN=0V; HVC=250V
250
µA
Vcl (*)
Clamping Voltage
-40°C < Tj < 125°C
380
420
490
V
Vcg(sat)
Power Stage Saturation
Voltage
IC=5A; IIN=10mA; 25°C ≤ Tj ≤ 125°C
IC=6A; IIN=10mA; -40°C ≤ Tj ≤ 25°C
2.5
3
V
V
Icl (*)
Coil Current Limit
VIN=5V; -40°C ≤ Tj ≤ 125°C
8.5
9.5
A
IIN
Input Current
VIN=5V; IC=5A
VIN=5V; IC=5A; Tj=25°C
3
10
10
mA
mA
Vf (**)
Diode Forward Voltage
If=10A; Tj=25°C
1.2
2.2
3.2
V
VINH
Input Voltage (ON)
On state input threshold
3.2
3.6
V
VINL
Input Voltage (OFF)
Off state input threshold
3
3.4
V
VIN(hyst)
Input Voltage (Hyst.)
0.2
0.6
V
td(off)
Turn-off Time
IC=5A
30
µs
Tj
Junction Temperature Limit See note 1
150
°C


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