Powersolve PS75 Series - Manual

Powersolve Electronics Ltd. 8A Arnhem Road, Newbury, RG14 5RU. England
Tel: 01635 521858 Fax: 01635 523771 Email: [email protected]
www.powersolve.co.uk
High Density DC-DC Modules
PS75 Series
37.5 - 75 Watt Wide Input
DC-DC Converters
Single Output
Features
• 37.5W - 75W Isolated Output
• Efficiency to 86%
• 300KHz Switching Frequency
• 2 : 1 Input Range
• Regulated Outputs
• Continuous Short Circuit Protection
• Five Sided Metal Case
• Industry Standard Half-Brick Package
INPUT
Input Voltage Range
9 - 18V (PS75-12Sxx models)
18 - 36V (PS75-24Sxx models)
36 - 75V (PS75-48Sxx models)
Undervoltage Lockout 8.8V (PS75-12Sxx power up)
8.0V (PS75-12Sxx power down)
17V (PS75-24Sxx power up)
16V (PS75-24Sxx power down)
34V (PS75-48Sxx power up)
32.5V (PS75-48Sxx power down)
Positive Logic Remote ON/OFF Open collector ref. to -Input. Module ON: open circuit, Module OFF: <0.8VDC
Add suffix N to model number for Negative Logic Remote ON/OFF control
Input Filter PI Type
OUTPUT
Voltage Accuracy
±1.0% max.
Transient Response: 25% Step Load Change <500µSec
External Trim Adj. Range ±10%
Ripple & Noise, 20MHz BW [3] 20mV RMS max, 75mV pk-pk max (2.5V, 3.3V & 5V outputs)
30mV RMS max, 100mV pk-pk max (12V & 15V outputs)
100mV RMS max, 240mV pk-pk max (24V output)
ENVIRONMENTAL
Temperature coefficient
±0.03%/°C
Short Circuit Protection Continuous
Line Regulation [1] ±0.2% max
Load Regulation [2] ±0.2% max
Over Voltage Protection trip range, % Vo nom. 115% - 140%
Current Limit 110% - 150% Nominal Output
GENERAL
Efficiency
See table
Isolation Voltage I/P-O/P, I/P-FG, O/p-FG: 1500VDC min
Isolation Resistance 10 7 ohms min.
Switching Frequency 400KHz typ. (12V & 24V input models)
300KHz typ. (48V input models)
Operating case Temperature -40°C to +100°C
Storage Temperature -55°C to +105°C
Thermal Shutdown, Case Temp. +100°C Typ.
Dimensions 57.9 x 61.0 x 12.7 mm (2.28 x 2.40 x 0.50 inches)
Case Material Aluminium
Electrical Specification
NOTE:
1. Measured from High Line to Low Line.
2. Measured from Full Load to No Load.
3. Output noise and ripple measured with 10µF tantalum & 1.0µF ceramic capacitors across output.