PH-S Series
3055 Del Sol Blvd • San Diego, CA 92154 • 1-800-LAMBDA-4
High density
Smaller package size
Low component count
High reliability Demonstrated 5 million hours MTBF
Fixed operating frequency
Easier system filtering
Variety of input voltages
Systems can operate from different input voltages
Feature
Benefit
Telecom
Custom Power Supplies
Point of Load
High Density
Wide Range Input
Output adjustment Capability
Remote On/Off
Fixed Switching Frequency
International Safety Approvals
Key Market Segments & Applications
PH Features and Benefits
Simple function, 50 to 600W DC-DC converters
3.3V
5V
12V
15V
24V
28V
48V
ITEMS
Input range
VDC
24V nom: 18-36, 48V nom: 36-76V, 110V nom: 82-185V, 280V nom: 200-400V
Output Voltage Adj. Range
VDC
2.97~3.63 4.5~5.5 10.8~13.2 13.5~16.5
21.6~26.4 25.2~30.8 43.2~52.8
Line Regulation
0.4% or 20mV (whichever is greater) over entire input range with constant load
Load Regulation
0.8% or 40mV (whichever is greater) from no load to full load with constant input line
Ripple and Noise
pk-pk
100mV
150mV
240mV
280mV
480mV
Series Operation
-
Possible - Refer to installation manual
Over Voltage Protection
-
150 - 180%
125 - 145%
Overload Protection
-
Approximately 105 - 140%, automatic recovery
Remote On/Off
-
Low = ON, Open = OFF
Remote Sensing
-
PH100S, PH150S, PH300S, PH600S models
Parallel operation
-
PH300S & PH600S only: Requires external circuitry
Inverter Good signal
-
PH300S & PH600S only: Signal available for status of inverter
Thermal Protection
-
Internal sensing, self resetting
Cooling
-
Conduction or forced air. See application notes for cooling and heatsink selection
Operating Temperature Range
-
Baseplate temperature -20°C to +85°C (100°C on PH300 & PH600).
-
-40°C start up possible with 30 minute warm up period
Storage Temperature
-
-40°C to +85°C (+100°C on PH300 & PH600)
Temperature Coefficient
-
0.02%/°C
Isolation
-
Input to output: 3000VAC, Input to Baseplate: 2500VAC(1)
Isolation Resistance
-
Output to Baseplate -100MOhm at 500VDC and 70%RH
Safety Agency Approval
-
UL1950, CSA234, EN60950 and CE Mark.
Warranty
-
Two years
Specifications
Note: See Installation Manual for full details, test methods of parameters and application notes
(1) PH300S48 models: Input to output 1.5kVAC, input to baseplate 1.5kVAC
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