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VB921 数据表(PDF) 2 Page - STMicroelectronics

部件名 VB921
功能描述  HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C.
PDF  7 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

VB921 数据表(HTML) 2 Page - STMicroelectronics

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VB921ZVFI / VB921ZVSP
1
ABSOLUTE MAXIMUM RATING
THERMAL DATA
CONNECTION DIAGRAM (TOP VIEW)
Symbol
Parameter
Value
Unit
ISOWATT220
PowerSO-10
HVc
Collector Voltage
Internally limited
V
IC
Collector Current
Internally limited
A
VIN
Maximum Input Voltage
8
V
IIN
Input current
10
mA
Ptot
Total dissipation at TC=25 °C
40
100
W
Tj
Junction operating temperature
- 40 to 150
°C
Tstg
Storage temperature
- 40 to 150
°C
Symbol
Parameter
Value
Unit
ISOWATT220
PowerSO-10
Rthj-case
Thermal resistance junction-case
(MAX)
3.12
1.25
°C/W
Rthj-amb
Thermal resistance junction-ambient
(MAX)
62.5
62.5
°C/W
ELECTRICAL CHARACTERISTICS (VCC=12V; Tcase=25ºC unless otherwise specified)
(*) Coil data: primary resistance RC=0.4 ÷ 0.8Ω, primary inductance LC=6 ÷ 8mH
(**) Pulsed: pulse duration= 300
µs, duty cycle=1.5%
NOTE 1: Icl is also controlled in respect to the variation of VIN between 4.5 and 5.5V
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VIN
Input Voltage
4.2
5.5
V
IIN
Input Current
VIN=4.2V; IC=5A (See test circuit)
VIN=5V; IC=5A
5
10
mA
mA
Icgo
Collector Cut-off Current
VIN=0V; HVC=250V
250
µA
Vcl (*)
High voltage clamp
-40°C<Tj<125°C
340
440
V
Icl (*)
Coil Current Limit
VIN=4.2V; -40°C<Tj<125°C
VIN=5V; -40°C<Tj<125°C
(See note 1)
6
6.5
7.5
A
A
Vcg(sat)
Power Stage Saturation
Voltage
IC=5A; IIN=10mA
2.5
V
Vf (**)
Diode Forward Voltage
If=10A
3.5
V
∆I
cl
Coil current variation in
respect to VIN=5V
VIN=4.5 ÷ 5.5V
200
mA
1
2
3
4
5
6
7
8
9
10
11
GND
GND
GND
GND
GND
VIN
VIN
VIN
VIN
VIN
HVC
3
2
1
VIN
HVC
GND



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