10 PCs Fairchild UC3842A Current Mode PWM Controller 8-DIP

item#: Fairchild UC3842A

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10 pcs Fairchild UC3842A Current Mode PWM Controller 8-DIP

Description:

The UC3842A/UC3843A are fixed PWM controller for Off-Line and DC to DC converter applications. The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totem-pole output for driving a POWER MOSFET. Also UC3842A/UC3843A provide low start up current below 0.3mA and short shutdown delay time typ. 100ns. The UC3842A has UVLO threshold of 16V(on) and 10V(off). The UC3843A is 8.4V(on) and 7.6V(off). The UC3842A and UC3843A can operate within 100% duty cycle.

Features:

Low Start Current 0.2mA (typ)
Operating Range Up To 500KHz
Cycle by Cycle Current Limiting
Under Voltage Lock Out With Hysteresis
Short Shutdown Delay Time: typ.100ns
High Current Totem-pole Output
Output Swing Limiting: 22V
Manufacturer : Texas Instruments Inc.
Part Number : UC3842A
Package : 8-DIP
Similar items :UC3843A

Package Included:

10 x Fairchild UC3842A Current Mode PWM Controller 8-DIP

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