CUI Inc

P78B-500/P78B-1000 Non-Isolated DC/DC Converters

CUI Inc converters offer high efficiency and a variety of output voltage options in a compact three-pin SIP package

Image of CUI P78B-500/P78B-1000 Non-Isolated DC/DC ConvertersCUI Inc P78B-500 and P78B-1000 series non-isolated DC/DC converters are compact devices offering a high-performance alternative to linear regulators. Housed in a compact three-pin SIP package, this series is pin-compatible with LM78x model regulators and features low ripple and noise. These DC/DC converters do not require a heatsink, making these switch regulators ideal for applications where board space is at a premium and energy efficiency is a concern.

Features
  • P78B-500 series
    • 0.5 A output current
    • -40°C to +85°C operating temperature range
  • P78B-1000 series
    • 1 A current output
    • -40°C to +90°C operating temperature range
  • Pin-compatible with LM78x linear regulators
  • Input voltage range: 4.75 VDC to 36 VDC
  • Continuous short-circuit protection
  • Compact SIP3 package
  • Low ripple and noise
  • Designed to meet EN/IEC 62368-1 standards
Applications
  • Consumer
  • Low-power devices
  • Point of Load (PoL)
  • Industrial
  • Renewable energy

P78B-500 Series Converters

ImageManufacturer Part NumberDescriptionVoltage - Input (Max)Voltage - Output 1Voltage - Input (Min)Available QuantityPriceView Details
DC-DC NON-ISOLATED, 0.5 A, 8~36P7806B-500DC-DC NON-ISOLATED, 0.5 A, 8~3636V6.5V8V34 - Immediate$40.89View Details
DC-DC NON-ISOLATED, 0.5 A, 18~36P7815B-500DC-DC NON-ISOLATED, 0.5 A, 18~3636V15V18V21 - Immediate$40.89View Details
DC-DC NON-ISOLATED, 0.5 A, 4.75~P7802B-500DC-DC NON-ISOLATED, 0.5 A, 4.75~36V1.8V4.75V80 - Immediate$40.89View Details
DC-DC NON-ISOLATED, 0.5 A, 11~36P7809B-500DC-DC NON-ISOLATED, 0.5 A, 11~3636V9V11V62 - Immediate$40.89View Details
DC-DC NON-ISOLATED, 0.5 A, 4.75~P7803B-500DC-DC NON-ISOLATED, 0.5 A, 4.75~36V3.3V4.75V0 - Immediate$40.89View Details
DC-DC NON-ISOLATED, 0.5 A, 15~36P7812B-500DC-DC NON-ISOLATED, 0.5 A, 15~3636V12V15V0 - Immediate$40.89View Details
DC-DC NON-ISOLATED, 0.5 A, 6.5~3P7805B-500DC-DC NON-ISOLATED, 0.5 A, 6.5~336V5V6.5V0 - Immediate$40.89View Details

P78B-1000 Series Converters

ImageManufacturer Part NumberDescriptionVoltage - Input (Max)Voltage - Output 1Voltage - Input (Min)Available QuantityPriceView Details
DC-DC NON-ISOLATED, 1.0 A, 4.75~P7803B-1000DC-DC NON-ISOLATED, 1.0 A, 4.75~36V3.3V4.75V45 - Immediate$43.03View Details
DC-DC NON-ISOLATED, 1.0 A, 18~32P7815B-1000DC-DC NON-ISOLATED, 1.0 A, 18~3236V15V18V101 - Immediate$43.03View Details
DC-DC NON-ISOLATED, 1.0 A, 8~32P7806B-1000DC-DC NON-ISOLATED, 1.0 A, 8~3236V6.5V8V46 - Immediate$43.03View Details
DC-DC NON-ISOLATED, 1.0 A, 4.75~P7802B-1000DC-DC NON-ISOLATED, 1.0 A, 4.75~26V1.8V4.75V82 - Immediate$43.03View Details
DC-DC NON-ISOLATED, 1.0 A, 15~32P7812B-1000DC-DC NON-ISOLATED, 1.0 A, 15~3236V12V15V0 - Immediate$43.03View Details
DC-DC NON-ISOLATED, 1.0 A, 6.5~3P7805B-1000DC-DC NON-ISOLATED, 1.0 A, 6.5~336V5V6.5V0 - Immediate$43.03View Details
Updated: 2025-08-18
Published: 2024-11-06