STT818B_07中文资料

August 2007Rev 51/10

STT818B

High gain low voltage PNP power transistor

Features

■Very low collector to emitter saturation voltage ■DC current gain > 100 (h FE )■

3 A continuous collector current (I C )

Applications

■Power management in portable equipments ■

Switching regulator in battery charger applications

Description

The device is manufactured in low voltage PNP Planar T echnology with "Base Island" layout. The resulting T ransistor shows exceptional high gain performance coupled with very low saturation voltage.

Table 1.Device summary

Order code Marking Package Packaging STT818B

818B

SOT23-6L

T ape & reel

https://www.wendangku.net/doc/2310211326.html,

Contents STT818B

Contents

1Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2/10

STT818B Electrical ratings

3/10

1 Electrical ratings

Table 2.

Absolute maximum rating

Symbol Parameter

Value Unit V CBO Collector-base voltage (I E = 0)-30V V CEO Collector-emitter voltage (I B = 0)-30V V EBO Emitter-base voltage (I C = 0)-5V I C Collector current

-3A I CM Collector peak current (t P < 5ms)-6A I B Base current

-0.2A I BM Base peak current (t P < 5ms)-0.5A P tot Total dissipation at T amb = 25°C 1.2W T stg Storage temperature

-65 to 150°C T J

Max. operating junction temperature

150

°C

Table 3.

Thermal data

Symbol Parameter

Value Unit R thj-amb

(1)

1.Package mounted on FR4 pcb 25mm x 25mm.

Thermal resistance junction-ambient max

104.2

°C/W

Electrical characteristics STT818B

4/10

2 Electrical characteristics

(T case = 25°C unless otherwise specified)

Table 4.

Electrical characteristics

Symbol Parameter

Test conditions Min.

Typ.

Max.Unit I CBO Collector cut-off current

(I E =0)

V CB = -30 V

V CB = -30 V T C = 125°C

-0.1-20μA μA I EBO

Collector-cut-off current

(I C = 0)

V EB = -5 V

-0.1

μA

V (BR)CEO (1)1.Pulse duration = 300 μs, duty cycle 1.5 %.

Collector-emitter

breakdown voltage

(I B = 0)I C = -10 mA

-30

V

V CE(sat)(1)

Collector-emitter saturation voltage

I C = -0.5 A _ I B = -5 mA I C = -1.2 A I B = -12 mA I C = -2 A _ I B = -20 mA -0.075

-0.21-0.15-0.3-0.5V V V V BE(sat)(1)

Base-emitter saturation voltage

I C = -0.5 A _ I B = -5 mA I C = -1.2A _ I B = -12 mA I C = -2A _ I B = -20 mA -0.74

-1.1-1.1-1.2

V V V

h FE (1)DC current gain I C = -0.5 A V CE = -1 V I C = -2.5 A V CE = -3 V 100100

V BE(ON)(1)

Base-emitter voltage

I C = -0.5 A V CE = -2 V

-0.71-1.1V

STT818B Electrical characteristics

5/10

2.1 Electrical characteristics (curves)

Figure 2.

Safe operating area Figure 3.

Derating curve

Figure 4.

DC Current Gain Figure 5.

DC Current Gain

Figure 6.

Collector-emitter saturation

Figure 7.

Base-emitter saturation

Electrical characteristics STT818B

6/10Figure 8.Switching times resistive

Figure 9.Switching times resistive

STT818B Package mechanical data 3 Package mechanical data

In order to meet environmental requirements, ST offers these devices in ECOPACK?

packages. These packages have a Lead-free second level interconnect. The category of

second level interconnect is marked on the package and on the inner box label, in

compliance with JEDEC Standard JESD97. The maximum ratings related to soldering

conditions are also marked on the inner box label. ECOPACK is an ST trademark.

ECOPACK specifications are available at: https://www.wendangku.net/doc/2310211326.html,

7/10

Package mechanical data STT818B

8/10

STT818B Revision history

9/10

4 Revision history

Table 5.

Document revision history

Date Revision

Changes

12-Jul-20024No content change; the document has been reformatted 08-Aug-2007

5

Updated Figure 3

STT818B

10/10Please Read Carefully:

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 herein at any time, without notice.

All ST products are sold pursuant to ST’s terms and conditions of sale.

Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein.

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein.

UN LESS OTHERWISE SET FORTH IN ST’S TERMS AN D CON DITION S OF SALE ST DISCLAIMS AN Y EXPRESS OR IMPLIED WARRAN TY WITH RESPECT TO THE USE AN D/OR SALE OF ST PRODUCTS IN CLUDIN G WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.

UN LESS EXPRESSLY APPROVED IN WRITIN G BY AN AUTHORIZE REPRESEN TATIVE OF ST, ST PRODUCTS ARE N OT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS, WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS “AUTOMOTIVE GRADE” MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK.

Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST.

ST and the ST logo are trademarks or registered trademarks of ST in various countries.

Information in this document supersedes and replaces all information previously supplied.

The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.

? 2007 STMicroelectronics - All rights reserved

STMicroelectronics group of companies

Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America

https://www.wendangku.net/doc/2310211326.html,