参数资料
型号: SS432G
厂商: Electronic Theatre Controls, Inc.
元件分类: 稳压器
英文描述: Adjustable Precision Shunt Regulator
中文描述: 可调节精密并联稳压器
文件页数: 4/7页
文件大小: 382K
代理商: SS432G
www.SiliconStandard.com 4 of 7
SS43
2G
APPLICATION INFORMATION
TEST CIRCUITS
T
2
T
1
V
MAX
V
DEV
= V
MAX
-V
MIN
V
MIN
TEMPERATURE
Deviation of reference input voltage, V
DEV
, is defined as
the maximum variation of the reference input voltage
over the full temperature range.
The average temperature coefficient of the reference in-
put voltage,
α
V
REF
is defined as:
V
-
V
ppm
V
REF
°
T1
T2
10
25°C)
(at
V
V
T1
T2
6
10
25°C)
(at
REF
V
C
6
REF
DEV
MIN
MAX
±
=
±
=
Where:
T
2
T
1
=full temperature change.
α
V
REF
can be positive or negative depending on
whether the slope is positive or negative.
Example: V
DEV
= 12.0mV, V
REF
= 1240mV,
T
2
T
1
= 105
°
C, slope is negative.
12.0mV
=
a
92ppm/°C
V
105°C
6
10
1240mV
REF
=
Note 4.
The dynamic output impedance, Rz, is de-
fined as:
R
Z
=
Z
Z
V
I
When the device is programmed with two external re-
sistors, R1 and R2, (see Fig. 2), the dynamic output
impedance of the overall circuit, is defined as:
V
z
r
[
]
R2
R1
1
Rz
I
+
=
Rev.2.20 7/12/2005
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