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STMPS2171STR Datasheet(PDF) 2 Page - STMicroelectronics

Part # STMPS2171STR
Description  Enhanced single channel power switches
Download  34 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPS2171STR Datasheet(HTML) 2 Page - STMicroelectronics

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Contents
STMPS2141, STMPS2151, STMPS2161, STMPS2171
2/34
Doc ID 13793 Rev 4
Contents
1
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2
Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1
Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1
Fault blanking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2
Overcurrent/over-temperature protection . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.3
FAULT conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.4
Reversed current blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.5
UVLO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4
Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.2
Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7
Detail device characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.1
STMPS2141, STMPS2151 additional electrical charts . . . . . . . . . . . . . . 16
7.1.1
Turn on/off characteristics at VOUT = 5.0 V . . . . . . . . . . . . . . . . . . . . . 16
7.1.2
Turn on/off characteristics at VOUT = 3.0 V . . . . . . . . . . . . . . . . . . . . . 17
7.1.3
UVLO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.1.4
OC protection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.1.5
Other electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.2
STMPS2161, STMPS2171 electrical charts . . . . . . . . . . . . . . . . . . . . . . 21
7.2.1
Turn on/off characteristics at VOUT = 5.0 V . . . . . . . . . . . . . . . . . . . . . 21
7.2.2
Turn on/off characteristics at VOUT = 3.0 V . . . . . . . . . . . . . . . . . . . . . 22
7.2.3
UVLO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.2.4
OC protection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7.2.5
Other electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24


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