MTX MTX-3G-JAVA-IoT - 3. Electrical and Environmental Characteristics; 3.1 Electrical Specifications; 3.1.1 Power Supply; 3.1.2 RS232 Interface

MTX-xG-JAVA-IoT Family
www.mtxm2m.com 2017/07 v1.2 Page 39/105
MTX M2M® 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
-0.3
65
V
CHARACTERISTICS
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VIN
Supply voltaje
7
50
V
IIN
Supply current
-
*
-
A
ƞ
Efficiency
VIN=24V, IOUT=1.5A
87
%
f
O
Switching Frequency
500
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
=3kΩ to GND
5
5.4
V
V
OL
Driver low-level output voltage
R
L
=3kΩ 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