STMPS2242TTR STMicroelectronics, STMPS2242TTR Datasheet - Page 7
![IC DUAL POWER SWITCH 500MA 8MSOP](/photos/7/47/74759/stmps2242ttr_sml.jpg)
STMPS2242TTR
Manufacturer Part Number
STMPS2242TTR
Description
IC DUAL POWER SWITCH 500MA 8MSOP
Manufacturer
STMicroelectronics
Type
High Side Switchr
Specifications of STMPS2242TTR
Number Of Outputs
2
Rds (on)
160 mOhm
Internal Switch(s)
Yes
Current Limit
500mA
Voltage - Input
2.7 ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
On Resistance (max)
160 mOhms
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Number Of Switches
Dual
Off Time (max)
10 ms
On Time (max)
5 ms
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-10330-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
STMPS2242, STMPS2252, STMPS2262, STMPS2272
3
3.1
3.2
3.3
Note:
3.4
Functional description
Fault blanking
The STMPS devices feature a 10 ms fault blanking. Fault blanking allows current-limit faults,
including momentary short-circuit faults that occur when hot-swapping a capacitive load,
and also ensures that no fault is issued during power-up. When a load transient causes the
device to enter current limit, an internal counter starts. If the load fault persists beyond the
10 ms fault-blanking timeout, the FAULT output asserts “low”. Load-transient faults less than
10 ms (typ.) do not cause a FAULT output assertion. Only current-limit faults are blanked.
Die over-temperature faults and input voltage drops below the UVLO threshold cause an
immediate fault output.
Overcurrent/over-temperature protection
In overcurrent or short-circuit condition, the switch limits the current at 500 mA for
STMPS2242/STMPS2252 and 1000 mA for STMPS2262/STMPS2272. If temperature of
die goes above limit value, the switch turns OFF.
Reversed current blocking
When the switch is OFF, or when the STMPS device is un-powered (V
behaves as an Hi-Z at the output pin, ensuring that no reverse current will flow into the
device when Vi<Vo.
In the case where the switch is ON, and a voltage higher than Vi is applied to the OUT pin, a
reverse current will occur.
UVLO
When input voltage drops below critical value, the power switch turns OFF to prevent
improper operation due to low voltage.
Doc ID 15050 Rev 2
Functional description
CC
=0 V), the switch
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