Specification	TOP234Y

Control Features	Frequency Control
Duty Cycle	78 %
Fault Protection	Over Temperature, Over Voltage, Current Limiting
Frequency - Switching (Max)	132 kHz
Frequency - Switching (Min)	66 kHz
Internal Switch(s)	Yes
Mounting Type	Through Hole
Operating Temperature (Max)	150 °C
Operating Temperature (Min)	-40 °C
Output Isolation	Isolated
Package Leads	5 Leads
Package Name	TO-220-7B, TO-220-7 Formed Leads
Power (Watts)	75 W
Topology	Flyback
Voltage - Breakdown	700 V

TOP234 Series

Part	Operating Temperature (Min)	Operating Temperature (Max)	Topology	Package Length	Package Name	Package Features	Package Width	Frequency - Switching (Max)	Frequency - Switching (Min)	Power (Watts)	Voltage - Breakdown	Fault Protection	Output Isolation	Control Features	Mounting Type	Internal Switch(s)	Duty Cycle	Package Leads
POWER INTEGRATIONS TOP234PN	-40 °C	150 °C	Flyback	0.3 in	8-DIP 8-PDIP-B	7 Leads	7.62 mm	132 kHz	66 kHz	30 W	700 V	Current Limiting Over Temperature Over Voltage	Isolated	Frequency Control	Through Hole	Yes	78 %
POWER INTEGRATIONS TOP234Y	-40 °C	150 °C	Flyback		TO-220-7 Formed Leads TO-220-7B			132 kHz	66 kHz	75 W	700 V	Current Limiting Over Temperature Over Voltage	Isolated	Frequency Control	Through Hole	Yes	78 %	5 Leads
POWER INTEGRATIONS TOP234G	-40 °C	150 °C	Flyback		8-SMD SMD-8B			132 kHz	66 kHz	30 W	700 V	Current Limiting Over Temperature Over Voltage	Isolated	Frequency Control	Surface Mount	Yes	78 %	7 Leads
POWER INTEGRATIONS TOP234G-TL	-40 °C	150 °C	Flyback		8-SMD SMD-8B			132 kHz	66 kHz	30 W	700 V	Current Limiting Over Temperature Over Voltage	Isolated	Frequency Control	Surface Mount	Yes	78 %	7 Leads

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