NUD3112
www.onsemi.com
4
TYPICAL PERFORMANCE CURVES (T
J
= 25°C unless otherwise specified)
Figure 2. Output Characteristics
1
0.1
0.01
0.001
0.0001
0.00001
0.0 0.1 0.2 0.3 0.4 0.5 0.6
1
0.1
0.01
0.001
0.0001
3.50.5 1.0 1.5 2.0 2.5
25°C
125°C
I
D
= 0.5 A
V
GS
= 3.0 V
1200
1000
600
200
0
−50 −25 25 75 1250
21
0.1 1 1000
4500
3500
2500
1500
500
0.6 0.8 1 1.2 1.4 1.6
125°C
3.0
800
400
V
DS
, DRAIN−TO−SOURCE VOLTAGE (V)
V
GS
, GATE−TO−SOURCE VOLTAGE (V)
I
D,
DRAIN CURRENT (A)
TEMPERATURE (°C)
I
Z
, ZENER CURRENT (mA)
V
GS
, GATE−TO−SOURCE VOLTAGE (V)
Figure 3. Transfer Function
Figure 4. On−Resistance Variation vs.
Temperature
Figure 5. R
DS(ON)
Variation vs. Gate−to−Source
Voltage
Figure 6. Zener Voltage vs. Temperature
Figure 7. Zener Clamp Voltage vs. Zener
Current
V
GS
= 3.0 V
V
GS
= 5.0 V
50 100
15.98
−50 −25 0 25 125
TEMPERATURE (°C)
I
Z
= 10 mA
10 100
25°C
0.7 0.8
V
GS
= 2.0 V
V
GS
= 1.5 V
V
GS
= 1.0 V
0.00001
4.0 4.5 5.0
85°C
−40°C
I
D
= 0.25 A
V
GS
= 3.0 V
I
D
= 0.5 A
V
GS
= 5.0 V
−40°C85°C 25°C
4000
3000
2000
1000
0
50 75 100
15.96
15.94
15.92
15.90
15.88
15.86
15.84
15.82
15.80
V
Z
, ZENER VOLTAGE (V)
V
Z
, ZENER CLAMP VOLTAGE (V)
20
19
18
17
16
15
14
13
−40°C
85°C
I
D
= 250 mA
V
DS
= 0.8 V
I
D,
DRAIN CURRENT (A)
R
DS(on)
, DRAIN−TO−SOURCE RESISTANCE (W)
R
DS(on)
, DRAIN−TO−SOURCE RESISTANCE (mW)
