STMPS2242 datasheet(2/42 Pages) STMICROELECTRONICS | Enhanced dual-channel power switches

Part No.	STMPS2242

Description	Enhanced dual-channel power switches

Download	42 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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2 / 42 page

Contents

STMPS2242, STMPS2252, STMPS2262, STMPS2272

2/42

Doc ID 15050 Rev 3

Contents

1

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2

Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3

Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1

Fault blanking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.2

Overcurrent/overtemperature protection . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.3

Reverse current blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.4

UVLO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4

Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.1

Absolute maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.2

Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5

Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

6

Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.1

STMPS2242, STMPS2252 characteristics . . . . . . . . . . . . . . . . . . . . . . . . 13

6.1.1

Turn-on/off characteristics for VI = 3 V, RLOAD = 6 Ω . . . . . . . . . . . . . . . 13

6.1.2

Turn-on/off characteristics for VI = 5 V, RLOAD = 10 Ω . . . . . . . . . . . . . . 16

6.1.3

UVLO characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.1.4

Overcurrent protection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6.1.5

Other electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.2

STMPS2262, STMPS2272 characteristics . . . . . . . . . . . . . . . . . . . . . . . . 24

6.2.1

Turn-on/off characteristics for VI = 3 V, RLOAD = 3 Ω . . . . . . . . . . . . . . . 24

6.2.2

Turn-on/off characteristics for VI = 5 V, RLOAD = 5 Ω . . . . . . . . . . . . . . . 27

6.2.3

UVLO characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.2.4

Overcurrent protection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6.2.5

Other electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

7

Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

7.1

Input and output capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

8

Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

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