Powersolve PSQ125 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
PSQ125 Series
40-125 Watt
DC-DC Converters
Single Output
Features
• Quarter brick package
• Regulated outputs
• Efficiency to 92%
• 1500VDC isolation
• Input under voltage protection
• Over current & Over temperature protection
• Remote On/Off control
INPUT
Input Voltage Range
36 ~ 75V
Undervoltage Lockout 35V (Vin power up)
33V (Vin power down)
Positive Logic Remote ON/OFF Open collector ref. to -Input, Module ON: Open circuit, Module OFF: <1.2VDC
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 100mV pk-pk max.
120mV pk-pk max. (5V & 12V output versions)
measured with a 10µF tantalum & 1.0µF ceramic capacitor across the output
ENVIRONMENTAL
Temperature Coefficient
±0.03%/°C max.
Short Circuit Protection Continuous / Hiccup
Line Regulation ±0.2% max. measured over full input voltage range
Load Regulation ±0.5% max. measured from 0-100% load
Over Voltage Protection trip range, % Vo nom. 115% ~ 140%
Current Limit 110% ~ 150% Nominal Output
GENERAL
Efficiency
See table
Isolation Voltage 1500VDC min
Isolation Resistance 10 7 ohms min.
Switching Frequency 200KHz typ.
250KHz typ. (3.3V & 2.5V output versions)
300KHz typ. (5V & 12V output versions)
Over Temperature Protection 120°C typ.
Operating Ambient Temperature Range -40°C to +85°C
Storage Temperature Range -40°C to +125°C
Dimensions 2.30 x 1.45 x 0.42 inches
58.4 x 36.8 x 10.6 mm
Weight 40g
Electrical Specification