Home datasheet UC3843BVD1R2G

UC3843BVD1R2G

PMIC - Voltage Regulators - DC DC Switching Controllers
Share:
Manufacturer

Description

The UC3842B, UC3843BVD1R2G series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and DC−DC converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle−by−cycle current limiting, programmable output deadtime, and a latch for single pulse metering.These devices are available in an 8−pin dual−in−line and surface mount (SOIC−8) plastic package as well as the 14−pin plastic surface mount (SOIC−14). The SOIC−14 package has separate power and ground pins for the totem pole output stage.The UCX842B has UVLO thresholds of 16 V (on) and 10 V (off), ideally suited for off−line converters. The UC3843BVD1R2G is tailored for lower voltage applications having UVLO thresholds of 8.5 V (on) and 7.6 V (off). UC3843BVD1R2G Features • 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• Pb−Free Packages are Available
Features

Parameters

[{"Name":"PWM Type","Value":"Current Mode"},{"Name":"Number of Outputs","Value":"1"},{"Name":"Frequency - Max","Value":"275kHz"},{"Name":"Duty Cycle","Value":"96%"},{"Name":"Voltage - Supply","Value":"7.6 V ~ 30 V"},{"Name":"Operating Temperature","Value":"-40°C ~ 105°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

MCC
Warm Hint

What HQEW.NET can offer here?
1. www.hqew.net/product-data provides numerous and various electronic part data-sheet and technology document here., if it can't be shown, Please feel free to ask us for it.
2. www.hqew.net/news provides the latest information of the semiconductor industry or the electronics industry for you.
3. www.hqew.net provides verified suppliers and numerous electronic components for your demand and business.
Any questions you can contact us by email support@hqew.net.
Request for Datasheet

  • Part No     :
  • Your Email:
  • Content     :

Post Buying Request
Latest News & Exhibitons
Contact Us

+86-755-83536845

One to One Customer Service

17190417227