L SERIES
PRODUCT FEATURES
Low Ripple, Regulated, Single and Dual Output
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Up to 7.5Watts Output Power
High Input/Output Isolation
Low Output Ripple
Continuous Short Circuit Protection
Pi-Input Filter
Low Profile Package
TO 7.5 WATTS
THE L SERIES FROM WALL INDUSTRIES
The L Series features a low profile package of 2.0 x 2.0 x
0.40” with output power to 7.5watts. This series has
excellent line and load regulation, input filtering, and low
output ripple, as well as low input reflected ripple.
Specifications include high I/O isolation (500VDC), low
output ripple (<50mV P-P) and current limiting/thermal
shutdown.
SPECIFICATIONS: L SERIES
All specifications apply @ +25 C ambient unless
otherwise noted.
INPUT SPECIFICATIONS
Input Voltage Range ...................................4.5 - 30.8 VDC
Nominal Input.........................................5, 12, 24, 28 VDC
Input Filter .....................................................Pi-Input Filter
GENERAL SPECIFICATIONS
Efficiency ..........................................................65% typical
Isolation Voltage (input to output) .................500VDC min.
Isolation Resistance (input to output) .............100 MOhms
Switching Frequency .....................................50kHz typical
OUTPUT SPECIFICATIONS
Output Current .....................................................see table
Voltage Tolerance .................................................5% max.
Thermal Shutdown...approx 100°C case (7.5W units only)
Line Regulation.......................................................±0.05%
.......................................................................3 & 5W 0.3%
Load Regulation .......................................................±0.5%
Short Circuit Protection .....................linear current limiting
Ripple/Noise (20MHz BW) ..................................50mV p-p
Over Voltage Protection .......................................see table
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature .......................-25 to +85°C (case)
Storage Temperature....................................-55 to +100°C
Humidity (non-condensing) ..........................20 - 95% R.H.
PHYSICAL SPECIFICATIONS
Weight .....................................................................2.3 Oz.
Case Material ......................................Black coated metal,
...................................................non-conductive baseplate
Shielding connections..................Six-Sided Shielded case
Due to advances in technology, specifications subject to
change without notice.
11/07/2005
1
603 778 2300
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