Diodes ZR431 - Manual (Page 4)

ZR431
ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
ZR431
Document number: DS33255 Rev. 6 - 2
4 of 9
www.diodes.com
October 2011
© Diodes Incorporated
ADVAN
CE I
N
F
O
RM
ATI
O
N
Typical Characteristics
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
Reference Current vs. Temperature
160
140
140
130
120
110
100
R
E
F
E
R
E
N
C
E
C
U
R
R
E
N
T
(n
A
)
V = V
I = 10mA
REF
Z
Z
0
CATHODE VOLTAGE (V)
Change in V vs. Cathode Voltage
REF
5 10 15 20
-10
-5
-15
-20
-25
CHA
NGE i
n
RE
F
E
REN
CE OUT
P
UT
V
O
L
T
AG
E (
m
V)
I = 10mA
Z
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
Cathode Current vs. Temperature
24
26
28
30
32
34
36
38
M
IN
IM
U
M
C
A
T
H
O
D
E
C
U
R
R
E
N
T
(µ
A
) V = V
REF Z
100
FREQUENCY (Hz)
Dynamic Impedance vs. Frequency
1k 10k 100k 1M
0.1
1.0
10
100
DY
N
A
M
IC I
M
P
E
DANCE
(
)
Ω
2.506
2.504
2.502
2.500
2.498
2.496
2.494
2.492
2.490
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
Reference Voltage vs. Temperature
R
EF
E
R
EN
C
E
V
O
LTA
G
E (
V)
I = 10mA
Z
25 50 75 85 100
AMBIENT TEMPERATURE ( C)
Power Dissipation Derating
°
2.0
0
1.0
SOT223
SOT23
P
O
WE
R
DI
SSI
P
A
T
IO
N (
W
)