
Powersolve Electronics Ltd. Units 8A, Arnhem Road, Newbury, RG14 5RU. England
www.powersolve.co.uk
4
Remote ON/OFF Control
External Output Trimming
Output Noise
The PS100 series allows the user to switch the module on and off electronically with remote on/off feature. The PS100
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 measur
ed with 10
µF tantalum capacitor and 1.0µF ceramic capacitor acr
oss output.
HIGH SIGNAL HERE
DISABLE OUTPUT
O
N/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
1.0µF
Solid Tantalum
10µF
To
Scope
Resistor
Load
L
ogic 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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