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Número de pieza | FP0100N8-G | |
Descripción | Fault Protection Switch | |
Fabricantes | Supertex | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de FP0100N8-G (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! Supertex inc.
FP0100
Fault Protection Switch
with Current Fold-back
Features
►► Up to 100V input voltage protection
►► Low on resistance – 4.0Ω typical
►► Fast switching speed
►► No external supplies needed
Applications
►► Power supplies
►► Fast resettable fuse
►► High side switches
►► Data acquisition
General Description
The Supertex FP0100 is a high voltage fault protection switch
with current fold-back. It is designed to protect system output
power supplies against over-current or short circuit conditions.
In protection mode, the FP0100 limits the current to 300µA.
The FP0100 can be considered as a normally closed switch
with a typical switch resistance of 4.0Ω. The peak current
allowed to pass through the switch can be set by an external
resistor across VOUT and RSEN. Once the voltage drop
across VIN and VOUT exceeds a nominal value of 3.0V,
the input current will fold-back to 300µA. In the off state, the
FP0100 can withstand up to 100V. Higher input voltages
can be accommodated by using an external depletion-mode
MOSFET. Please refer to Figure 4 for more details. The
FP0100 is available in a SOT-89 package.
Typical Application Circuit
+
VIN
-
VIN RSEN
FP0100
VOUT
RSEN
LOAD
Doc.# DSFP-FP0100
C070113
Supertex inc.
www.supertex.com
1 page Figure 6. Typical Short Circuit Waveforms
60V
VOUT
0V
4.0V
V10Ω
0V
FP0100
Pin Description
Pin #
1
2, 4
Pin Name
VIN
VOUT
Description
Input voltage
Output voltage
3
RSEN
Current sense for IPEAK control. Connects to an external resistor across the RSEN and VOUT
pins to set the IPEAK.
Doc.# DSFP-FP0100
C070113
Supertex inc.
5 www.supertex.com
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet FP0100N8-G.PDF ] |
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