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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 2,500

On Order: 0
Factory Stock:Factory Stock: 20,000
Factory Lead Time: 2 Weeks
Minimum Order: 1
Multiple Of: 1
Quantity Web Price
1 $0.635
250 $0.315
500 $0.295
750 $0.28
1,500+ $0.26


Attributes Table
Supply Current-Max 30mA
Supply Voltage 10V to 30V
Frequency-Max 275kHz
Topology Flyback
Rated Power 862mW
Duty Cycle-Min 0%
Duty Cycle-Max 96%
Operating Temp Range 0°C to 70°C
Storage Temperature Range -65°C to +150°C
Output Current -1mA
Thermal Resistance 145°C/W
Features and Applications

The UC3842BDR2G is a part of UC3842B series current mode controller. It has a storage temperature ranging from -65°C to +150°C and its available in SOIC-14 package.

The UC3842B series are high performance fixed frequency current mode controllers. They are specifically designed for Off-Line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components.


  • Trimmed Oscillator for Precise Frequency Control
  • Oscillator Frequency Guaranteed at 250 kHz
  • Current Mode Operation to 500 kHz
  • Automatic Feed Forward Compensation
  • Latching PWM for Cycle−By−Cycle Current Limiting
  • Internally Trimmed Reference with Undervoltage Lockout
  • High Current Totem Pole Output
  • Undervoltage Lockout with Hysteresis
  • Low Startup and Operating Current
  • This is a Pb−Free and Halide−Free Device