
DC-DC Converter
PS25 Series
25 - 30 Watt Wide Input
PCB Mounting
Single, Dual & Triple Outputs
Features
• 25 - 30 W Isolated Output
• 2 : 1 Input Range
• Regulated Outputs
• Remote On/Off Control
• Efficiency to 85%
• External Output Trimming Function
• Six-Sided Shielded Metal Case
Electrical Specification
INPUT
Input Voltage Range 9 - 18V (PS25-12-xxx models)
18 - 36V (PS25-24-xxx models)
36 - 72V (PS25-48-xxx models)
Input Filter Pi Type
OUTPUT
Voltage Accuracy, Single Output ±2.0% max.
Dual +Output ±2.0% max.
Dual -Output ±3.0% max.
Triple Output: 5V ±2.0% max.
±12V / ±15V ±5.0% max.
Voltage Balance (Dual) ±1.0% max.
Transient Response
Single: 25% step load change <500µ sec.
Dual: Full load to ½ load ±1% error band <500µ sec.
External Trim Adj. Range ±10%
Temperature Coefficient ±0.02% / °C
Ripple and Noise (20MHz BW) 10mV rms, 75mV pk-pk max.
Short Circuit Protection Continuous
Line Regulation, Single/Dual ±0.5% measured over full input range
Triple ±1.0%
Load Regulation, Single/Dual ±1.0% measured from 25-100% load
Triple ±5.0%
GENERAL
Efficiency See Table
Isolation Voltage 500VDC min.
Isolation Resistance 109Ohms
Switching Frequency 300KHz typ.
Operating Temperature Range -25°C to +71°C
Derating, above 60°C Linearly to Zero power at 100°C
Case Temperature +100°C max.
Cooling Natural Convection
Storage Temperature Range -55°C to 105°C
EMI/RFI Six-sided continuous shield
Dimensions 2.00 x 2.00 x 0.40 Inches
50.8 x 50.8 x 10.2 mm
Case material Black coated Copper with
Non-conductive base
Weight 65g
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Typical at nominal line, full load & 25°C unless otherwise stated.
Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England
Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk

DC-DC Converter
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Output Voltage and Current Ratings
MODEL INPUT OUTPUT OUTPUT INPUT CURRENT % EFF.
PS25-12-33S 3.3V 5000mA 30mA 1860mA 74%
PS25-12-05S 5V 5000mA 30mA 2675mA 78%
PS25-12-12S 12V 2500mA 30mA 3050mA 82%
PS25-12-15S 15V 2000mA 30mA 3050mA 82%
PS25-12-05D 9 - 18VDC ±5V ±2500mA 35mA 2675mA 78%
PS25-12-12D ±12V ±1250mA 35mA 3050mA 82%
PS25-12-15D ±15V ±1000mA 35mA 3050mA 82%
PS25-12-512D 5V/±12V 3500mA/±310mA 35mA 2640mA 79%
PS25-12-515D 5V/±15V 3500mA/±250mA 35mA 2640mA 79%
PS25-24-33S 3.3V 5000mA 30mA 920mA 75%
PS25-24-05S 5V 5000mA 30mA 1336mA 79%
PS25-24-12S 12V 2500mA 30mA 1525mA 82%
PS25-24-15S 15V 2000mA 30mA 1525mA 82%
PS25-24-05D 18 - 36VDC ±5V ±2500mA 30mA 1336mA 79%
P2S5-24-12D ±12V ±1250mA 30mA 1470mA 85%
PS25-24-15D ±15V ±1000mA 30mA 1470mA 85%
PS25-24-512D 5V/±12V 3500mA/±310mA 30mA 1320mA 80%
PS25-24-515D 5V/±15V 3500mA/±250mA 30mA 1320mA 80%
PS25-48-33S 3.3V 5000mA 20mA 460mA 75%
PS25-48-05S 5V 5000mA 20mA 660mA 79%
PS25-48-12S 12V 2500mA 20mA 765mA 82%
PS25-48-15S 15V 2000mA 20mA 765mA 82%
PS25-48-05D 36 - 72VDC ±5V ±2500mA 25mA 660mA 79%
P2S5-48-12D ±12V ±1250mA 25mA 735mA 85%
PS25-48-15D ±15V ±1000mA 25mA 735mA 85%
PS25-48-512D 5V/±12V 3500mA/±310mA 25mA 655mA 80%
PS25-48-515D 5V/±15V 3500mA/±250mA 25mA 655mA 80%
Maximum total power from all outputs is limited to 25W but no output should exceed its maximum current.
VOLTAGE VOLTAGE CURRENT No Load Full Load
Logic Compatability CMOS or Open Collector TTL
Ec-On >+5.5VDC or Open Circuit
Ec-Off <1.8VDC
Shutdown Idle Current 10mA
Control Common Referenced to -Vin
Mechanical and Connection Details
All Dimensions in Inches (mm).
Tolerance:
Inches x.xx ±0.4
x.xxx ±0.010
Millimeters x.x ±1.0
x.xx ±0.25
External Output TrimmingRemote On/Off Control
Output may be externally trimmed (±10%) with a fixed
resistor or an external trimpot
Pin Single Output Dual Output Triple Output
1 On/Off Control On/Off Control On/Off Control
2 No Pin No Pin No Pin
3 -Vin -Vin -Vin
4 +Vin +Vin +Vin
5 Trim Trim -Aux. Out
6 -Vout -Vout Common
7 +Vout Common +5V Out
8 No Pin +Vout +Aux. Out
Triple Output Loading
Pin Voltage Current (A)
(VDC) Min. Nom.
7 +5 0.50 3.5
8 & 5 ±12 0.10 0.31
8 & 5 ±15 0.10 0.25
Minimum current on each output is required to maintain
specified regulation
Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England
Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk