Powersolve PSQ125 Series - Manual (Page 2)

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
Output Voltage and Current Ratings
Pin Function
1 +Vin
2 ON/OFF
3 -Vin
4 -Vout
5 -Sense
6 Trim
7 +Sense
8 +Vout
All specifications typical at nominal line, full load and 25°C unless otherwise stated.
Pin Connection
All dimensions in inches (mm)
Tolerances: Inches
x.xx ±0.02 x.xxx ±0.010
Millimeters x.x ±0.5 x.xx ±0.25
MODEL INPUT OUTPUT OUTPUT INPUT CURRENT % EFF.
VOLTAGE VOLTAGE CURRENT max. NO LOAD FULL LOAD
PSQ125-48S1V0 1.0 VDC 40A 60mA 1016mA 82
PSQ125-48S1V2 1.2 VDC 40A 60mA 1190mA 84
PSQ125-48S1V5 1.5 VDC 40A 60mA 1453mA 86
PSQ125-48S1V8 1.8 VDC 40A 60mA 1724mA 87
PSQ125-48S2V5 36-75 VDC 2.5 VDC 40A 80mA 2341mA 89
PSQ125-48S3V3 3.3VDC 35A 80mA 2673mA 90
PSQ125-48S05 5VDC 25A 100mA 2861mA 91
PSQ125-48S12 12VDC 10A 100mA 2717mA 92
NOTE: Nominal Input Voltage 48VDC
Mechanical and Connection Details
Remote ON/OFF Control
The PSQ125 Series allows the user to switch the module on and off electronically with the remote on/off feature.
The PSQ125 Series are available with “positive logic” or “negative logic” (option).
Logic Table
Logic State
(Pin 2)
Negative
Logic
Positive
Logic
Logic low-
Switch closed
Module on Module off
Logic high-
Switch open
Module off Module on
External Output Trim
The output can be trimmed externally (±10%) using a fixed resistor or
a trimpot as shown.
Output Noise
The output noise is measured with a 10µF tantalum and a 1.0µF
ceramic capacitor across the output.
+Vout
-Vout