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Manufacturer Part #

UC3845BD1R2G

UC3845B Series 275 KHz 25 V High Performance Current Mode Controller - SOIC-8

Mfr. Name: ON Semiconductor
Standard Pkg:
Product Variant Information section
Date Code: 1837
Product Specification Section
Technical Attributes
Attributes Table
Supply Current-Max: 0.5mA
Supply Voltage: 7.6V to 36V
Turn On Threshold Voltage: 8.5V
Turn Off Threshold Voltage: 7.6V
Duty Cycle-Max: 50%
Frequency-Max: 275kHz
Operating Temp Range: 0°C to 70°C
Package Style:  SOIC-8
Mounting Method: Surface Mount
Features and Applications

The UC3845BD1R2G is a high performance fixed frequency current mode controller, available in a SOIC-8 package.

It is specifically designed for Off−Line and DC−DC converter applications offering the designer a cost−effective solution with minimal external components.

Features:

  • Trimmed Oscillator for Precise Frequency Control
  • Oscillator Frequency Guaranteed at 250 kHz
  • Current Mode Operation to 500 kHz Output Switching Frequency
  • Output Deadtime Adjustable from 50% to 70%
  • 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
  • These Devices are Pb−Free and are RoHS Compliant
  • NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
Pricing Section
Stock
0
Minimum Order:
2,500
Multiple Of:
2,500
30,000
Factory Stock:Factory Stock:
0
Factory Lead Time:
9 Weeks
Total
$525.00
USD
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Tariff charges may apply if shipping to the United States. An estimate of tariff charges will be calculated at checkout.
Quantity
Web Price
2,500
$0.21
5,000
$0.21
7,500
$0.205
10,000+
$0.205
Product Variant Information section