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www.powersolve.co.uk
Powersolve Electronics Ltd, Units 8, 9 and 12 The Paddock, Hambridge Road, Newbury, Berks RG14 5TQ
Tel: 01635 521858 Fax: 01635 523771 Email: sales@powersolve.co.uk
4
Remote ON/OFF Control
External Output Trimming
Output Noise
The PS50 series allows the user to switch the module on and off electronically with remote on/off feature. The PS50
series are available with "positive logic" or "negative logic" (option).
Output may optionally be externally trimmed (+10%) with a fixed resistor or an external trimpot as shown.
The output noise is measured with 10
μF tantalum capacitor and 1.0μF ceramic capacitor across output.
HIGH SIGNAL HERE
DISABLE OUTPUT
ON/OFF (2)
-VIN (4)
Negative
Logic Table
External Output
Output Noise Test Circuit schematic
Logic
Positive Logic
Logic Low -
Switch Closed
Logic High -
Switch Open
Module on
Module off
Module off
Module on
+SENSE (8)
-SENSE (6)
-SENSE (6)
+SENSE (8)
TRIM (7)
TRIM (7)
TRIM UP
TRIM DOWN
10K ohms
TRIMPOT
+Vout (9)
-Vout (5)
Ceramic
1.0
µF
Solid Tantalum
10
µF
To
Scope
Resistor
Load
Logic State
(Pin 2)
All Specifications Typical At Nominal Line, Full Load and 25°C Unless Otherwise Noted.
High Density DC-DC Modules
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