Powersolve PSQ75W 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
PSQ75W Series
75 Watt
DC-DC Converters
Single Output
Features
• Quarter brick package
• Efficiency to 87%
• Ultra wide 4 : 1 input range
• Continuous short circuit protection
INPUT
Input Voltage Range
9 ~ 36V (24V version)
18 ~ 75V (48V version)
Undervoltage Lockout 8.8V (24Vin power up)
8.0V (24Vin power down)
17V (48Vin power up)
16V (48Vin power down)
Positive Logic Remote ON/OFF Open collector ref. to -Input
Module ON: >3.5VDC or open circuit, Module OFF: <1.8VDC
Add suffix N to Model Number for Negative Logic Remote ON/OFF control
Input Filter PI Type
OUTPUT
Voltage Accuracy
±1.5% max.
Transient Response: 25% Step Load Change <500µsec
External Trim Adj. Range ±10%
Ripple & Noise, 20MHz BW 40mV rms max., 100mV pk-pk max. (3.3V & 5V output versions)
60mV rms max., 150mV pk-pk max. (12V & 15V output versions)
100mV rms max., 240mV pk-pk max. (24V output version)
measured with a 10µF Tantalum & 1.0µF Ceramic capacitor across the output
ENVIRONMENTAL
Temperature coefficient
±0.03%/°C max.
Short Circuit Protection Continuous
Line Regulation ±0.2% max. measured over full input range
Load Regulation ±0.2% max. measured from 0-100% load
Over Voltage Protection trip range, % Vo nom. 115 ~ 140%
Current Limit 110% ~ 140% Nominal Output
GENERAL
Efficiency
See table
Isolation Voltage IP/OP, IP/Case, OP/Case: 1500VDC min.
Isolation Resistance 10 7 ohms min.
Switching Frequency 300KHz typ.
Thermal shutdown, case temp. 105°C typ.
Operating case temperature range -40°C to +100°C
Storage temperature range -55°C to +105°C
Dimensions 1.45 x 2.28 x 0.5 inches
36.8 x 57.9 x 12.7 mm
Case material Aluminium baseplate with plastic case
Electrical Specification