
DC-DC Switching Regulator
www.powersolve.co.uk
PSR30 & PSR60 Series
Non-Isolated up to 60 Watts
Features
• Wide 20-53V or 30-53V DC Input
• 5V, 12V, 15V or 24V DC Output
• Compact Open PCB SIL Package
• High Efficiencies up to 96%
• 250kHz Switching Frequency
• Ideal for Battery or Distributed Power Applications
• RoHS Compliant
Electrical Specification
Input Specification
Input Voltage Range: 20-53V DC 5V to 15V output, 30-53V DC 24V output
Input Filter: Capacitive
Input Protection: External fuse recomended, see Technical Notes
Remote On/Off Control: See Technical Notes
Output Specification:
Voltage Setpoint Accuracy: ±2% max
Ripple & Noise (20MHz Band Width): 5V 100mV pk-pk, others 1% pk-pk max
Line Regulation: ±0.5% max low line to high line
Load Regulation: ±0.5% max 10-100% load
Temperature Coefficient: ±0.05%/ºC
Short Circuit Protection: Continuous
Overload Protection: 120-220% Typical
General Specification:
Efficiency: 90% minimum, see table for specific models
Switching Frequency: 200KHz typical
Isolation Voltage: Non isolated
Weight: PSR30 7.5 grams typical, PSR60 12 grams typical
Dimensions: PSR30 50.8x13x10.7mm, PSR60 50.8x26x10.7mm
Environmental Specifications
Operating Ambient Temperature: -25º to +65ºC see derating curve
Storage Temperature: -55ºC to +125ºC
Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England
Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk

DC-DC Switching Regulator
www.powersolve.co.uk
Voltage & Current Ratings
Input Current
No Load Full Load
Model DC Input DC Output Output Current
PSR30-05 20 to 53V 5V 2.50A 15mA 580mA 91% A
PSR30-12 20 to 53V 12V 2.50A 14mA 1320mA 96% A
PSR30-15 20 to 53V 15V 2.00A 15mA 1300mA 96% A
PSR30-24 30 to 53V 24V 1.25A 30mA 700mA 94% A
PSR60-05 20 to 53V 5V 4.00A 15mA 935mA 90% B
PSR60-12 20 to 53V 12V 4.00A 20mA 2110mA 95% B
PSR60-15 20 to 53V 15V 4.00A 20mA 2590mA 96% B
PSR60-24 30 to 53V 24V 2.5A 30mA 1320mA 95% B
Other output voltages available, consult sales office for details
Technical Notes
(Nominal Input Voltage)
Efficiency Package
Fuse 1
+Vin
C1
Common
Remote On/Off
L1
+Vin
PSR30/60
C2
RC
Q1
Circuit above shows recommended filter components for improvement in EMI
performance and remote on/off circuit if required.
+Vout
Common
Circuit Reference Recommended Components
Fuse 1 3A Slow Blow for PSR30 Series or 5A Slow Blow for PSR60 Series
L1 SCD0503 2.2µH
C1 22µF 100V Chemicon KMF Series
C2 22µF 100V Chemicon KMF Series
C3 100µF 25V Chemicon KY Series
Q1 Open Circuit: Logic High = DC-DC Converter ON, <0.4V Logic Low = DC-DC Converter OFF
+Vout
C3
Common
Derating Curves
PSR30-05 PSR30-12, -15, -24 PSR60 Series
Ambient Temp ºC
Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England
Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk
Ambient Temp ºC
Ambient Temp ºC

DC-DC Switching Regulator
Mechanical Details
PSR30 Series
www.powersolve.co.uk
PSR60 Series
All dimensions in mm (inches). Tolerance ±0.5mm
For PCB mounting we recomend 1.1mm plated through hole with 1.6mm pad size.
Pin Function
1 +Vout
2 +Vout
3 +Vout
4 +Vout
5 Common
6 Common
7 +Vin
8 +Vin
9 NC
10 NC
11 Remote On/OFF
Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England
Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk