Diagrams
OV Bypass
FR014H5JZ
Protection
POS
NEG
POS
Inrush Reducer
Startup Diode
Power
Switch
NEG
Power Source
(USB Connector)
I IN
V IN
CTL
USB Device
Circuit
CTL
Figure 1. Block Diagram
Protected USB Device Circuit
Figure 2. Typical Schematic
Pin Configuration
Figure 3. Pin Assignments
Pin Definitions
Name
POS
CTL
NEG
Pin
5, 6, 7, 8
4
1, 2, 3
Description
The positive terminal of the power source. Current flows into this pin during normal
operation.
The control pin of the device. A negative voltage to the POS pin turns the switch on and a
positive voltage turns the switch to a high-impedance state.
The positive terminal of the load circuit to be protected. Current flows out of this pin during
normal operation.
? 2012 Fairchild Semiconductor Corporation
FR014H5JZ ? Rev. C2
2
www.fairchildsemi.com
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