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STMPS2242 Datasheet(PDF) 2 Page - STMicroelectronics

Part # STMPS2242
Description  Enhanced dual-channel power switches
Download  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPS2242 Datasheet(HTML) 2 Page - STMicroelectronics

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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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