zr431l Zetex Semiconductors plc., zr431l Datasheet - Page 3

• Manufacturer Part Number: zr431l
• Description: Zr431l - Adjustable Precision Shunt Regulator
• Manufacturer: Zetex Semiconductors plc.

Block diagram
Issue 3 - April 2008
© Zetex Semiconductors plc 2008
Deviation of reference input voltage, V
the maximum variation of the reference input voltage
over the full temperature range.
The average temperature coefficient of the reference
input voltage, V
The dynamic output impedance, R
When the device is programmed with two external
resistors, R1 and R2, (fig 2), the dynamic
impedance of the overall circuit, R’, is defined as:
Vref
R
R
Z
'
=
(
R
ppmIC
=
Z
3
1 (
Δ
Δ
+
V
I
)
Z
Z
=
R
R
1
2
V
V
ref
)
dev
ref
x
(
T
1000000
is defined as:
1
−
T
) 2
z
, is defined as:
dev
www.zetex.com
, is defined as
ZR431L
output