![](/html/Toshiba/867302/page4.png)
Test Parameter
(1) VKA = VREF Mode
RSD
Input
VKA
IK
VREF
(3) OFF-State Mode
Input
RSD
IKoff
VKA
TA76431F/FR
(2) VKA > VREF Mode
RSD
Input
VKA
IK
IREF
VREF
VKA
=
VREF
⎜⎜⎝⎛1 +
R1
R2
⎟⎟⎠⎞
+
IREF
⋅ R1
Typical Application Circuits
(1) 2.5 V Reference
VIN
VOUT ∼− 2.5 V
(2) Shunt Regulator
RSD
VIN
VOUT
GND
VOUT
=
VREF
⎜⎜⎝⎛1 +
R1
R2
⎟⎟⎠⎞
+
IREF
⋅ R1
4
2006-11-06