User guide

Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England
Tel: [phone] Fax: [phone] Email: [e-mail]
www.powersolve.co.uk
DC-DC Converter
PS40 Series
40 Watt Wide Input
PCB Mounting
Single, Dual & Triple Outputs
Features
• 40 W Isolated Output
• 2:1 Input Range
• Regulated Outputs
• Continuous Short Circuit Protection
• Efficiency to 92%
• External Output Trimming Function
• Six-Sided Shielded Metal Case
Input Voltage Range 9 - 18V (PS40-12-xx)
18 - 36V (PS40-24-xx)
36 - 75V (PS40-48-xx)
Undervoltage Lockout 8.8V power up / 8.0V power down (PS40-12-xx)
17V power up / 16V power down (PS40-24-xx)
34V power up / 32V power down (PS40-48-xx)
Positive Logic Remote On/Off Open collector ref. to -Vin
Module ON: >3.5 - 75VDC or open circuit, Module OFF: <1.8VDC
Add suffix N to model number for negative remote ON/OFF control
Input Filter Pi Type
Voltage Accuracy, Single/Dual Output ±1.5% max.
Dual Positive ±1.5% (3.3V) / ±3.0% (5.0V) max.
Triple ±1.5% (main) / ±5.0% (auxiliary) max.
Voltage Balance (Dual) ±2.0% max.
Transient Response, 25% step load change <300µSec. error band ±5% Vout
External Trim Adj. Range ±10% (single & dual) / ±5% (dual positive)
Temperature Coefficient ±0.02% / °C
Ripple and Noise (20MHz BW): 2.5V & 3.3V & 5.0V 20mV rms, 50mV pk-pk max.
12V & 15V 75mV pk-pk max.
Dual ±12V / ±15V 120mV pk-pk / 150mV pk-pk max.
Dual Positive +3.3V / +5V 100mV pk-pk max.
Short Circuit Protection Continuous (Hiccup Mode)
Line Regulation, Single/Dual ±0.5% measured over full input range
Triple ±1.0% (main) / ±3.0% (auxiliary) measured over full input range
Load Regulation, Single/Dual ±1.0% measured from 10-100% load
Dual Positive ±1.5% (3.3V) / ±4.0% (5.0V) measured from 0-100% load on main output
Triple ±1.0% (main) / ±4.0% (auxiliary) measured from 10-100% load
Efficiency See Table
Isolation Voltage I/P-O/P: 1500VDC min.
Isolation Resistance 10
9
Ohms
Switching Frequency 350KHz typ.
Operating Temperature Range -40°C to +85°C
Derating, above 60°C Linearly to Zero power at 100°C
Case Temperature +100°C max.
Thermal Shutdown +110°C typ.
Storage Temperature Range -55°C to +125°C
Dimensions 50.8 x 50.8 x 10.2 mm (2.0 x 2.0 x 0.4 Inches)
Case material Black coated Copper with non-conductive base
Weight 65g
Electrical Specification
Typical at nominal line, full load & 25°C unless otherwise stated.