Datasheet

TLV431, TLV431A, TLV431B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
SLVS139T − JULY 1996 − REVISED JUNE 2007
13
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
200
150
10 100 1k
− Equivalent Input Noise Voltage −
f − Frequency − Hz
EQUIVALENT INPUT NOISE VOLTAGE
vs
FREQUENCY
350
10k 100k
300
250
V
n
nV/ Hz
V
KA
= V
REF
I
K
= 1 mA
T
A
= 25°C
_
+
820 Ω
+
2200 µF
750 Ω
1 kΩ
470 µF
3 V
TLV431
or
TLV431A
or
TLV431B
TP
160 kΩ
160 Ω
TLE2027
TEST CIRCUIT FOR EQUIVALENT INPUT NOISE VOLTAGE
+
Figure 11