TL431 / TL431A / TL431B
TM
®
Precision programmable References
P
RODUCTION
D
ATA
S
HEET
CHARACTERISTIC CURVES
2.5
-0.85
WWW .
Microsemi
.C
OM
(I
OFF
) Off-State Cathode Current - (µA)
V
KA
= 36V
V
REF
= 0
2
TL431/A
& TL431B
V
KA
= 3V to 36V
-0.95
-1.05
1.5
1
0.5
F
O
O
R
DU
N
E
C
W
T
D
E
-1.15
-1.25
-1.35
-1.45
-25
0
P
R
V
REF
/
0
-50
SI
GN
S
25
50
75
100
V
KA
- (mV/V)
-50
125
-25
0
25
50
75
100
125
260
240
(VN) Noise Voltage - (nV/ Hz)
220
200
180
160
140
120
100
10
100
N
O
1k
T
10k
O
B
R
EC
S
OM
OL
ME
ET
ND
E
ED
I
O
= 10mA
T
A
= 25 °C
100k
(T
A
) Ambient Temperature - (°C)
(T
A
) Ambient Temperature - (°C)
Figure 6 –
Ratio of Delta Reference Voltage to Delta Cathode
Voltage vs. Free-Air Temperature
Figure 5 –
Off-State Cathode Current vs Free-Air Temperature
C
HARTS
C
HARTS
(f) Frequency - (Hz)
Figure 7 –
Equivalent Input Noise Voltage vs. Frequency
Copyright
©
1999
Rev. 1.4, 2006-09-26
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 6
MICROSEMI [ MICROSEMI CORPORATION ]
