BU931_1 STMICROELECTRONICS [STMicroelectronics], BU931_1 Datasheet

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BU931_1

Manufacturer Part Number
BU931_1
Description
High voltage ignition coil driver NPN power Darlington transistors
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
Features
Application
Description
The devices are bipolar Darlington transistors
manufactured using multi-epitaxial planar
technology. They have been properly designed to
be used in automotive environment as electronic
ignition power actuators.
Table 1.
December 2009
Very rugged Bipolar technology
High operating junction temperature
Wide range of packages
High ruggedness electronic ignitions
Order codes
BU931P
BU931T
BU931
Device summary
Marking
BU931P
BU931T
BU931
Doc ID 1004 Rev 4
NPN power Darlington transistors
Figure 1.
High voltage ignition coil driver
1
TO-3
Packages
TAB
TO-247
TO-220
2
TO-3
for TO-3
Internal schematic diagrams
BU931P, BU931T
TO-247
1
and TO-247
for TO-220
Packaging
2
TAB
3
Tube
Tube
Tray
BU931
TO-220
www.st.com
1
1/13
2
3
13

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BU931_1 Summary of contents

Page 1

Features ■ Very rugged Bipolar technology ■ High operating junction temperature ■ Wide range of packages Application ■ High ruggedness electronic ignitions Description The devices are bipolar Darlington transistors manufactured using multi-epitaxial planar technology. They have been properly designed to ...

Page 2

Content Content 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

BU931, BU931P, BU931T 1 Electrical ratings Table 2. Absolute maximum ratings Symbol V Collector-emitter voltage (V CES V Collector-emitter voltage (I CEO V Emitter-base voltage (I EBO I Collector current C I Collector peak current CM I Base current B ...

Page 4

Electrical characteristics 2 Electrical characteristics °C; unless otherwise specified. case Table 4. Electrical characteristics Symbol Collector cut-off current I CES (V BE Collector cut-off current I CEO ( Emitter cut-off current I EBO (I ...

Page 5

BU931, BU931P, BU931T 2.1 Electrical characteristics (curves) Figure 2. Safe operating area for BU931 and BU931P Figure 4. DC current gain Figure 6. Collector-emitter saturation voltage @ Figure 3. Safe operating area for BU931T Figure 5. ...

Page 6

Electrical characteristics Figure 8. Collector-emitter saturation voltage Figure 9. Figure 10. Base-emitter saturation voltage @ h = 100 FE 6/13 Base-emitter saturation voltage @ Doc ID 1004 Rev 4 BU931, BU931P, BU931T ...

Page 7

BU931, BU931P, BU931T 3 Test circuits Figure 11. Functional test circuit Figure 13. Switching time test circuit Figure 12. Functional test waveforms Figure 14. Sustaining voltage test circuit Doc ID 1004 Rev 4 Test circuits 7/13 ...

Page 8

Package mechanical data 4 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available ...

Page 9

BU931, BU931P, BU931T DIM TO-3 mechanical data mm. min. typ 11.00 0.9 7 1.50 8.32 19.00 10.70 16.50 25.00 4.00 38.50 30.00 Doc ID 1004 Rev 4 Package mechanical ...

Page 10

Package mechanical data Dim øP øR S 10/13 TO-247 Mechanical data mm. Min. Typ 4.85 2.20 1.0 2.0 3.0 0.40 19.85 15.45 5.45 14.20 3.70 18.50 3.55 4.50 ...

Page 11

BU931, BU931P, BU931T Dim L20 L30 ∅P TO-220 type A mechanical data Min A 4.40 b 0.61 b1 1.14 c 0.48 D 15. 2.40 e1 4.95 F 1.23 H1 6. 3.50 ...

Page 12

Revision history 5 Revision history Table 5. Document revision history Date 18-Nov-2008 02-Dec-2009 12/13 Revision Package changed from TO-218 to TO-247 for BU931P. 3 Inserted type in TO-220 (BU931T). Modified I test condition value page 4, ...

Page 13

BU931, BU931P, BU931T Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described ...

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