The Voltage Regulator
Has EvolvedExceedingly Efficient DC Switching Regulators

Designed as a drop-in replacement for linear LM78XX and LM79XX regulators, the CUI V78 and P78 series utilize switching technology, creating a highly compact, highly efficient alternative solution. Unlike linear regulators, these dc switching regulators do not require a heat sink, making them ideal for applications where board space is at a premium and energy efficiency is a concern. CUI’s dc switching regulator family is available with output currents of 0.5 A, 1 A, 1.5 A, and 2 A.

Features

  • Pin out compatible with TO-220 package LM78XX and LM79XX linear regulators
  • Available in SIP (straight or right angle) and SMT pin configurations
  • Compact size and high energy efficiency
  • Wide input range, up to 9~72 VDC
Comparison DC Switching Regulators Linear Regulators
Efficiency 84-97% 40-60%
Heat sink required No Yes
Short circuit protection Yes No
Over temp protection Yes No
Series Output Current (A) Input Voltage Range (VDC) Output Voltages
(VDC)
Package Style Datasheet  
P78A-0500 0.5 6 - 28 3.3, 5 3-SIP Module P78A-0500 Datasheet Link P78A-0500 Product Page
P7805-S 0.5 4.75-32 1.5, 1.8, 3.3, 5,
6.5, 8, 9, 12, 15
3-SIP Module P7805-S Datasheet Link P7805-S Product Page
V78W-500 0.5 9 - 72 3.3, 5, 6.5, 9,
12, 15, 24
SIP, R/A SIP V78W-500 Datasheet Link V78W-500 Product Page
V78-500-SMT 0.5 4.5 - 28 3.3, 5, 12, 15 SMT V78-500-SMT Datasheet Link V78-500-SMT Product Page
P78A-1000 1 7 - 28 3.3, 5 3-SIP Module P78A-1000 Datasheet Link P78A-1000 Product Page
V78-1000 1 4.5 - 32 3.3, 5, 6.5, 9, 12 SIP, R/A SIP V78-1000 Datasheet Link V78-1000 Product Page
V78-1000-SMT 1 5 - 18 2.5, 3.3, 5, 6.5 SMT V78-1000-SMT Datasheet Link V78-1000-SMT Product Page
V78-1500 1.5 4.75 - 18 3.3, 5, 6.5 SIP, R/A SIP V78-1500 Datasheet Link V78-1500 Product Page
V78-2000 2 4.75 - 18 3.3, 5, 6.5 SIP, R/A SIP V78-2000 Datasheet Link V78-2000 Product Page

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