STMPS2141STR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STMPS2141STR

Enhanced single channel power switches

STMicroelectronics 

STMPS2141, STMPS2151, STMPS2161, STMPS2171

4

Ambient temperature

Ambient temperature

In Enable operating mode, an amount of power is dissipated as heat in the power switch due

to the on-resistance. The power dissipation is: P = I2R.

Table 4. SOT23-5L (160 °C/W)

Part number Max current

Max RON at

5V

Power

dissipation

STMPS2141

STMPS2151

STMPS2161

STMPS2171

0.50 A

1.00 A

130 mΩ

130 mΩ

32.5 mW

130.0 mW

Temperature

difference

(junction and

ambient)

6.2

24.8

Maximum ambient

temperature

(at junction

temperature 125 °C)

118.8

100.2

Table 5. MSOP8 (220 °C/W)

Part number

Max

current

Max RON

at 5 V

Power

dissipation

STMPS2141

STMPS2151

STMPS2161

STMPS2171

0.50 A

1.00 A

130 mΩ

32.5 mW

130 mΩ

130.0 mW

Temperature

difference

(junction and

ambient)

7.2

Maximum ambient

temperature

(at junction temperature

125 °C)

117.8

28.6

96.4

Table 6. SO-8 (160 °C/W)

Part number

Max current

Max RON

at 5 V

Power

dissipation

Temperature

difference (junction

and ambient)

STMPS2141

0.50 A 130 mΩ 32.5 mΩ

5.2

STMPS2151

STMPS2161

1.00 A 130 mΩ 130.0 mΩ

20.8

STMPS2171

Maximum ambient

temperature

(at junction temperature

125 °C)

124.8

104.2

Doc ID 13793 Rev 4

11/34

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