UC3843AD8 Part Information

Details for UC3843AD8 by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Features

  • Automatic Feedforward Compensation
  • Double Pulse Suppression
  • Enhanced Load Response Characteristics
  • High-Current Totem Pole Output
  • Internally-Trimmed Bandgap Reference
  • Low Start-Up Current (< 0.5 mA)
  • Optimized for Off-Line and DC-DC Converters
  • Pulse-by-Pulse Current Limiting
  • Trimmed Oscillator Discharge Current
  • Undervoltage Lockout With Hysteresis
  • Up to 500-kHz Operation

Part Specifications

Input Voltage 25V
Output Voltage 5V
Output Current 1A
Supply Voltage Min 12V
Supply Voltage Max 25V
Controller IC Case Style SOIC
No. of Pins 8Pins
Frequency 500kHz
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Controller Type PWM
Device Marking UC3843AD8
IC Generic Number 3843
IC Temperature Range Commercial
Input Current 11mA
Operating Temperature Range 0°C to +70°C
Output Current Max 1A
Output Energy per Cycle 5µJ
Output Type Totem Pole
Power Dissipation Pd 1W
Supply Voltage Range 12V to 25V
Termination Type Surface Mount Device
RoHS Compliant

Alternative Part Descriptions

  • CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC; Input Voltage:25V; Output Voltage:5V; Output Current:200mA; Supply Voltage Min:12V; Supply Voltage Max:25V; Controller IC Case Style:SOIC; No. of Pins:8Pins; Frequency:500kHz; Product Range:-RoHS Compliant: Yes | Newark Electronics

Frequently Asked Questions

Where can I find additional details, specifications and documents for a UC3843AD8?

Additional datasheets, footprints and schematics for UC3843AD8 are listed in our Part Details tab. You can also find the UC3843AD8 image and similar parts on this details page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for UC3843AD8 in the Pricing & Inventory tab next to part details. You can view UC3843AD8 price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does UC3843AD8 fall under?

The UC3843AD8 is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

Can I view similar or alternative parts?

You can view similar parts to UC3843AD8 when available in the Power Management range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the UC3843AD8 you can contact the distributor directly for product support, shipping queries etc.

Is the UC3843AD8 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Farnell.

Which authorised distributors for UC3843AD8 have stock available?

Authorised distributors including Newark Electronics have stock available or on a lead time for UC3843AD8.

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