nud3105d ON Semiconductor, nud3105d Datasheet - Page 7

• Manufacturer Part Number: nud3105d
• Description: Dual 5 V Inductive Load Driver
• Manufacturer: ON Semiconductor

Figure 13. A 140 mW, 5.0 V Relay with TTL Interface
Max Continuous Current Calculation
+4.5 TO +5.5 Vdc
for TX2-5V Relay, R1 = 178 W Nominal @ R
Assuming ±10% Make Tolerance,
R1 = 178 W * 0.9 = 160 W Min @ T
T
R1 = 160 W * [1+(0.004) * (-40°-25°)] = 118 W Min @ -40°C
I
O
C
Max = (5.5 V Max - 0.25V) /118 W = 45 mA
for Annealed Copper Wire is 0.4%/°C
V
in
(1)
NUD3105LT1
GND (2)
AROMAT
V
TX2-5V
A
out
= 25°C
(3)
+
-
A
= 25°C
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NUD3105D
7
+4.5 TO +5.5 Vdc
Figure 14. A Quad 5.0 V, 360 mW Coil Relay Bank
V
in
(1)
AROMAT
JS1E-5V
AROMAT
JS1E-5V
-
+
+
-
NUD3105LT1
GND (2)
V
out
(3)
AROMAT
JS1E-5V
AROMAT
JS1E-5V
-
+
+
-