E S ERIES
2 0 WATTS
TO 2 0 WATTS - E S ERIES
Switching Buck Regulator
FEATURES
• Single Output
• High Efficiency
• Encapsulated Supply
• Various Mounting Options
• 1500V RMS isolation
• Power Foldback Short Circuit Protection
• Output Current Limiting
• Ten Year Warranty
THE E S ERIES FROM WALL
INDUS TRIES
The E Series high efficiency AC/DC power supply offers the
designer a low cost solution to problems normally associated
with series-pass regulated supplies. By employing state-of-the-
art switching techniques, this series achieves efficiencies up to
75%.
S P ECIFICATIONS : E S ERIES
All specifications apply @ +25 C ambient unless otherwise
noted.
GENERAL SPECIFICATIONS
INPUT SPECIFICATIONS
Efficiency ..............................................................70% (typical)
Isolation Voltage (input to output)..........................1500V RMS
Isolation Resistance (input to output) ..........................100MW
Remote Sense ......................................................................N/A
Switching Frequency........................................40kHz (variable)
Input Voltage Range....105-125VAC(see options for alternates)
Input Frequency ..........................................................50-440Hz
Remote On/Off Control ........................................................N/A
OUTPUT SPECIFICATIONS
Output Current..............................................................See table
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature ..............................-25 to +85°C (case)
Output Voltage Tolerance........................................±1% (fixed)
Output Trim (external) ........................................................N/A
Line Regulation (LL-HL)................................................±0.15%
Load Regulation (10-100% load)....................................±0.15%
Short Circuit Protection ....................................Power Foldback
Over Voltage Protection........................................................N/A
Ripple/Noise (20MHz BW) ......................................<7mV RMS
Transient Response ..............................................................N/A
Storage Temperature ............................................-55 to +100°C
Humidity (non-condensing)............................20% to 95% R.H.
PHYSICAL SPECIFICATIONS
Dimensions: Case A............................................1.25 x 2.5 x 3.5”
Case B ................................................1.55 x 2.5 x 3.5”
Case C ................................................2.00 x 2.5 x 3.5”
Case Material..........................................................Non-metallic
Due to advances in technology, specifications subject to change without notice.
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