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
PH-S Series
3055 Del Sol Blvd • San Diego, CA 92154 • 1-800-LAMBDA-4
Other Lambda DC-DC Products
-Vin Negative Input Terminal
+Vin Positive Input Terminal
+S Positive Remote sense
-S Negative Remote sense
+V Positive Output Terminal
-V Negative Output Terminal
IOG Inverter Good Signal
TRIM Output adjustment trim pin
CNT On/Off Control Terminal
CS Current Monitor Signal
PH Full Function 50 - 300W, full function versions of PH
PAQ, PAH, PAF 50 -600W quarter, half & full bricks
X 10 - 20W, 24 & 48V input DC-DC converters
SX Surface Mount 20W, 24 & 48 input
DC-DC converters
Pin Description Function
Pinout
Revision A3: Mar 2004
For Additional Information, please visit
www.lambdapower.com/products/ph-series-sf.htm
3.3 10.0 33.0 - PH50S48-3.3 - PH50S280-3.3
3.3 15.0 49.5 - PH75S48-3.3 - PH75S280-3.3
3.3 20.0 66.0 - PH100S48-3.3 - PH100S280-3.3
3.3 30.0 99.0 - PH150S48-3.3 - PH150S280-3.3
3.3 50.0 165.0 - PH300S48-3 - PH300S280-3
3.3 100.0 330.0 - - - PH600S280-3
5.0 10.0 50.0 PH50S24-5 PH50S48-5 PH50S110-5 PH50S280-5
5.0 15.0 75.0 - PH75S48-5 PH75S110-5 PH75S280-5
5.0 20.0 100.0 - PH100S48-5 - PH100S280-5
5.0 30.0 150.0 - PH150S48-5 PH150S110-5 PH150S280-5
5.0 50.0 250.0 - PH300S48-5 - PH300S280-5
5.0 100.0 500.0 - - - PH600S280-5
12.0 4.2 50.0 PH50S24-12 PH50S48-12 PH50S110-12 PH50S280-12
12.0 6.3 75.0 - PH75S48-12 PH75S110-12 PH75S280-12
12.0 8.4 100.0 - PH100S48-12 - PH100S280-12
12.0 12.5 150.0 - PH150S48-12 PH150S110-12 PH150S280-12
12.0 25.0 300.0 - PH300S48-12 - PH300S280-12
12.0 50.0 600.0 - - - PH600S280-12
15.0 3.4 50.0 PH50S24-15 PH50S48-15 PH50S110-15 PH50S280-15
15.0 5.0 75.0 - PH75S48-15 PH75110-15 PH75S280-15
15.0 6.7 100.0 - PH100S48-15 - PH100S280-15
15.0 10.0 150.0 - PH150S48-15 PH150S110-15 PH150S280-15
15.0 20.0 300.0 - PH300S48-15 - PH300S280-15
15.0 40.0 600.0 - - - PH600S280-15
24.0 2.1 50.0 PH50S24-24 PH50S48-24 PH50S110-24 PH50S280-24
24.0 3.2 75.0 - PH75S48-24 PH75S110-24 PH75S280-24
24.0 4.2 100.0 - PH100S48-24 - PH100S280-24
24.0 6.3 150.0 - PH150S48-24 PH150S110-24 PH150S280-24
24.0 12.5 300.0 - PH300S48-24 - PH300S280-24
24.0 25.0 600.0 - - - PH600S280-24
28.0 1.8 50.0 PH50S24-28 PH50S48-28 PH50S110-28 PH50S280-28
28.0 2.7 75.0 - PH75S48-28 PH75S110-28 PH75S280-28
28.0 3.6 100.0 - PH100S48-28 - PH100S280-28
28.0 5.4 150.0 - PH150S48-28 PH150S110-28 PH150S280-28
28.0 10.8 302.0 - PH300S48-28 - PH300S280-28
28.0 21.5 602.0 - - - PH600S280-28
48.0 6.3 302.0 - PH300S48-48 - PH300S280-48
48.0 12.5 600.0 - - - PH600S280-48
Nominal
Output Output Output
Voltage (V) Current (A) Power (W) 24V input 48V input 110V input 280V input
Model Selector
