Fortec Star MTX-HSPA-PH8-P+G, Руководство пользователя

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MTX-HSPA-PH8-P+G
www.mtxm2m.com www.matrix.es 2014/11 v2.0 Page 26
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MTX Terminals® by MATRIX ELECTRONICA S.L.U
3. Electrical and environmental characteristics
3.1 Electrical specifications
3.1.1 Power supply
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Conditions Min. Max. Unit
VIN Supply voltage 0 45 V
CHARACTERISTICS
Symbol Parameter Conditions Min. Typ. Max. Unit
VIN Supply voltage Maximum 6.5 40 V
Recommended 7 35 V
IIN Supply current - * - A
ƞ
Efficiency VIN=12V, IIN=2A, 25ºC 80 %
f
O
Switching Frequency 127 150 173 kHz
* See section 1.6.3
3.1.2 RS232 interface
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Conditions Min. Max. Unit
V
I
Input voltage range Drivers -0.3 6 V
Receivers -25 25 V
V
O
Output voltage range Drivers -13.2 13.2 V
Receivers -0.3 5 V
Electrostatic discharge Human body model 2 kV
CHARACTERISTICS
Symbol Parameter Conditions Min. Typ. Max. Unit
V
OH
Driver high-level output voltage R
L
= kΩ to GND
5 5.4 V
V
OL
Driver low-level output voltage R
L
= kΩ to GND
-5 -5.4 V
r
o
Driver output resistance VIN = 0V 300 10M
Ω
V
IT+
Receiver positive-going input
threshold voltage 1.5 2.4 V
V
IT-
Receiver negative-going input
threshold voltage 0.6 1.2 V
V
hys
Receiver input hysteresis (V
IT+
- V
IT-
) 0.3 V
r
i
Receiver input resistance Input voltage ±3 to ±25V 3 5 7
kΩ