Features: SMALL PACKAGE SIZE: 1" X 2"
INDUSTRY STANDARD PINOUT
SURFACE MOUNT DEVICES (SMD)
LOW-COST ALTERNATE SOURCE
CONTINUOUS SHORT CIRCUIT PROTECTION
UL1950 RECOGNITION(SOME MODELS PENDING)
MEETS FCC CLASS B
Application TELECOMMUNICATION EQUIPMENT
BATTERY POWERED SYSTEMS
PORTABLE INSTRUMENTS
PROCESS CONTROL EQUIPMENT
TRANSPORTATION EQUIPMENT
DISTRIBUTED POWER SYSTEMS
SPACE-CRITICAL APPLICATIONSSpecificationsOutput Short-Circuit Duration...........................................Continuous
Case Temperature ..................................................................100°C
Lead Temperature (soldering, 10 seconds max)...................+300°CDescriptionconverters that offer high efficiency and regulated outputsover a 2:1 input voltage range of either 18-36VDC or 36-72 VDC.
Surface mount devices and manufacturing technology makeit possible to offer performance equivalent to competitionat a lower cost.
A self oscillating flyback topology coupled with a ruggedMOSPOWER transistor are used to produce a highly reliableproduct with a minimum parts count. The internalbody diodes of these FETS protect the unit against inputvoltage reversal. An external fuse is required to limit thebody diode current to 2 amps.
The WP05R Series offers low noise (approximately 50 to75mVp-p) without the addition of an external capacitor.The series is also 6-sided shielded, further reducingsystem noise. This shield is connected to -VIN.
No external heatsink is required for the WP05R Series
to supply its rated 5 watts. With a minimum amount of
airflow, the temperature range may be extended from
70°C to 85°C. (See derating curve.)
The package of the WP05R Series is plastic. This
eliminates the layout precautions required by metal
enclosed devices. The encapsulant material is rated
UL94V-0 for flammability and offers excellent heat
transfer characteristics.
Internal circuitry provides continuous short-circuit protection
and automatic restart after the short is removed.
WP05R Data Sheet
