IRIS-F6454R
Block Diagram
4 Vin
START O.V.P. LATCH
REG.
T.S.D
DRIVE
Vth(1)
-
+
O.S.C
Vth(2)
-
+
3
D
2
S
1
OCP/FB
5
GND
Lead Assignments
IRIS
OCP/FB
S
D
Vin
GND
Pin No.
1
2
3
4
5
Symbol
OCP/FB
S
D
Vin
GND
Descri pti on
Overcurrent / Feedback
Pin
Source Pin
Drain Pin
Power supply Pin
Ground Pin
Function
Input of overcurrent detection
signal / constant voltage control signal
MOSFET source
MOSFET drain
Input of power supply for control circuit
Ground
Other Functions
O.V.P. – Overvoltage Protection Circuit
T.S.D. – Thermal Shutdown Circuit
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