NUD3105
www.onsemi.com
5
TYPICAL CHARACTERISTICS
V
Z
, ZENER CLAMP VOLTAGE (V)
V
GS
= 0 V
11.0
12.0
10.0
9.0
8.0
7.0
13.0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.80
V
DS
, DRAIN TO SOURCE VOLTAGE (V)
Figure 2. Output Characteristics
V
GS
, GATE−TO−SOURCE VOLTAGE (V)
Figure 3. Transfer Function
TEMPERATURE (°C)
Figure 4. On Resistance Variation vs. Temperature
Figure 5. R
DS(ON)
Variation with
Gate−To−Source Voltage
Figure 6. Zener Voltage vs. Temperature
I
Z
, ZENER CURRENT (mA)
Figure 7. Zener Clamp Voltage vs. Zener Current
I
D
, DRAIN CURRENT (A)
−50 −25 0 25 50 75 100
1200
1000
800
600
400
200
0
125
R
DS(ON)
, DRAIN−TO−SOURCE
RESISTANCE (mW)
V
Z
, ZENER VOLTAGE (V)
−50 −25 0 25 50 75 100 125
I
Z
= 10 mA
I
D
= 0.25 A
V
GS
= 3.0 V
50°C
1.0 1.2 1.4 1.60.8
50
45
40
35
30
25
20
2.0
15
1.8
R
DS(ON)
, DRAIN−TO−SOURCE
RESISTANCE (W)
I
D
= 250 mA
1.0 100.1 100
V
GS
= 0 V
V
GS
= 1.0 V
I
D
, DRAIN CURRENT (A)
V
GS
= 5.0 V
V
GS
= 3.0 V
V
GS
= 2.0 V
T
J
= 25°C
10
1.0
0.1
0.01
0.001
0.0001
0.00001
0.000001
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
85°C
−40°C
V
DS
= 0.8 V
I
D
= 0.5 A
V
GS
= 3.0 V
I
D
= 0.5 A
V
GS
= 5.0 V
V
GS
, GATE−TO−SOURCE VOLTAGE (V)
50°C
85°C
−40°C
125°C
8.20
8.18
8.16
8.14
8.12
8.10
8.08
8.06
8.04
8.02
8.00
TEMPERATURE (°C)
10
1.0
0.1
0.01
0.001
0.0001
0.00001
85°C
−40°C
25°C
25°C
25°C
1000
6.0
