STEF05 STMicroelectronics, STEF05 Datasheet - Page 4
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STEF05
Manufacturer Part Number
STEF05
Description
Electronic fuse for 5 V line
Manufacturer
STMicroelectronics
Datasheet
1.STEF05.pdf
(20 pages)
Specifications of STEF05
Continuous Current (typ)
3.6 A
N-channel On-resistance (typ)
40 mΩ
Output Clamp Voltage (typ)
6.65 V
Thermal Latch (typ)
165 °C
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Pin configuration
2
Table 2.
4/20
Pin n°
1 to 5
10
11
6
7
8
9
V
OUT
Symbol
En/Fault
Pin configuration
Figure 2.
Pin description
I-Limit
GND
dv/dt
V
NC
/Source
CC
Connected to the source of the internal power MOSFET and to the output terminal of the
fuse
Not connected
A resistor between this pin and the Source pin sets the overload and short-circuit current
limit levels.
The Enable/Fault pin is a tri-state, bi-directional interface. During normal operation the pin
must be left floating, or it can be used to disable the output of the device by pulling it to
ground using an open drain or open collector device.
If a thermal fault occurs, the voltage on this pin goes into an intermediate state to signal a
monitor circuit that the device is in thermal shutdown. It can be connected to another
device of this family to cause a simultaneous shutdown during thermal events.
The internal dv/dt circuit controls the slew rate of the output voltage at turn-on. The
internal capacitor allows a ramp-up time of around 1 ms. An external capacitor can be
added to this pin to increase the ramp time. If an additional capacitor is not required, this
pin should be left open.
Ground pin
Exposed pad. Positive input voltage must be connected to V
Pin configuration (top view)
Source
Source
Source
Source
Source
Doc ID 019055 Rev 4
V
CC
AM09867v1
Note
GND
dv/dt
En/fault
I-Limit
N/C
CC
.
STEF05