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PDF STMPS2171 Data sheet ( Hoja de datos )
| Número de pieza | STMPS2171 | |
| Descripción | (STMPS2141 - STMPS2171) Enhanced single channel power switches | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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STMPS2141, STMPS2151
STMPS2161, STMPS2171
Enhanced single channel power switches
Features
■ 90 mΩ high-side MOSFET switch
■ 500/1000 mA continuous current
■ Thermal and short-circuit protection with
overcurrent logic output
■ Operating range from 2.7 V to 5.5 V
■ CMOS- and TTL-compatible enable inputs
■ Undervoltage lockout (UVLO)
■ 12 μA maximum standby supply current
■ Ambient temperature range, -40°C to 85°C
■ 8 kV ESD protection
■ Reverse current protection
■ Fault-blanking
SOT23-5L
SO-8
MSOP8
Description
The STMPS2141, STMPS2151, STMPS2161,
STMPS2171 power distribution switches are
intended for applications where heavy capacitive
loads and short circuits are likely to be
encountered. These devices incorporate 90 mΩ
N-channel MOSFET high-side power switches for
power-distribution. These switches are controlled
by a logic enable input.
Table 1. Device summary
When the output load exceeds the current-limit
threshold or a short is present, the device limits
the output current to a safe level by switching into
a constant-current mode. When continuous heavy
overloads and short circuits increase the power
dissipation in the switch, causing the junction
temperature to rise, a thermal protection circuit
shuts the switch off to prevent damage. Recovery
from a thermal shutdown is automatic once the
device has cooled sufficiently. Internal circuitry
ensures the switch remains off until a valid input
voltage is present.
Order codes
SO-8
SOT23-5L
MSOP8(1)
STMPS2141MTR
STMPS2151MTR
STMPS2161MTR
STMPS2171MTR
STMPS2141STR
STMPS2151STR
STMPS2161STR
STMPS2171STR
STMPS2141TTR
STMPS2151TTR
STMPS2161TTR
STMPS2171TTR
1. MSOP8 package is also known as “TSSOP8”
Current limit
(mA)
500
500
1000
1000
Enable
Active low
Active high
Active low
Active high
January 2008
Rev 3
1/30
www.st.com
30
1 page  
STMPS2141, STMPS2151, STMPS2161, STMPS2171
www.DataSheet4U.com
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Table 15.
Table 16.
Table 17.
Table 18.
Table 19.
Table 20.
Table 21.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
FAULT conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SOT23-5L (160 °C/W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
MSOP8 (220 °C/W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
SO-8 (160 °C/W). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SOT-23-5L electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
MSO8/SO8 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Current limit characteristics
(VI = 5.5 V, IO = rated current, TJ = 25 °C, unless otherwise specified) . . . . . . . . . . . . . . . 13
Supply current characteristics
(VI = 5.5 V, IO = rated current, TJ = 25 °C, unless otherwise specified) . . . . . . . . . . . . . . . 13
Thermal characteristics
(VI = 5.5 V, IO = rated current, TJ = 25 °C, unless otherwise specified) . . . . . . . . . . . . . . . 14
UVLO characteristics
(VI = 5.5 V, IO = rated current, TJ = 25 °C, unless otherwise specified) . . . . . . . . . . . . . . . 14
OC pin characteristics
(VI = 5.5 V, IO = rated current, TJ = 25 °C, unless otherwise specified) . . . . . . . . . . . . . . . 14
EN pin characteristics
(VI = 5.5 V, IO = rated current, TJ = 25 °C, unless otherwise specified) . . . . . . . . . . . . . . . 14
SOT23-5L mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
SOT23-5L footprint dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
SO-8 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
MSOP8 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
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5 Page 
STMPS2141, STMPS2151, STMPS2161, STMPS2171
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5 Maximum rating
Maximum rating
Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may
cause permanent damage to the device. These are stress ratings only and operation of the
device at these or any other conditions above those indicated in the Operating sections of
this specification is not implied. Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability. Refer also to the STMicroelectronics SURE
Program and other relevant quality documents.
5.1
Absolute maximum rating
Table 7. Absolute maximum ratings
Symbol
Parameter
VI
VO
VIENX
IO
ESD
TJ
TSTG
TR
TR
TR
Input voltage range
Output voltage range
EN Input voltage range
Continuous output current
ESD protection level
Junction operating temperature
Storage temperature
Thermal resistance (MSOP8)
Thermal resistance (SOT23-5L)
Thermal resistance (SO-8)
Value
–0.3 – 6.0
–0.3 – (Vi+0.3)
-0.3 – 6.0
Internally limited
8
–40 to 125
–55 to 150
220
191
160
Unit
V
V
V
kV
°C
°C
°C/W
°C/W
°C/W
5.2
Recommended operating conditions
Table 8. Recommended operating conditions
Symbol
Parameter
VI Input voltage
VO Output voltage
IO
(STMPS2141 Continuous output current
STMPS2151)
IO
(STMPS2161 Continuous output current
STMPS2171)
Min
2.7
0
0
0
Value
Typ
5.0
5.0
Max
5.5
5.5
- 500
- 1000
Unit
V
V
mA
mA
11/30
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet STMPS2171.PDF ] | |
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