參數(shù)資料
型號(hào)： IRU431LCL5
廠商： International Rectifier
英文描述： LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
中文描述： 低電壓調(diào)節(jié)精密并聯(lián)穩(wěn)壓器
文件頁(yè)數(shù)： 2/6頁(yè)
文件大?。?/td> 47K
代理商： IRU431LCL5
IRU431L / IRU431AL
2
Rev. 1.8
02/20/02
www.irf.com
I
K
=10mA, V
KA
=V
REF
, T
A
=25
8
C
I
K
=10mA, V
KA
=V
REF
I
K
=10mA, V
KA
=V
REF
, T
A
=25
8
C
I
K
=10mA, V
KA
=V
REF
V
KA
=V
REF
, I
K
=10mA
Note 1
I
K
=10mA,
V
KA
=V
REF
to 6V
I
K
=10mA, R1=10K
, R2=open
I
K
=10mA, R1=10K
, R2=open
Note 1
V
KA
=V
REF
V
KA
=6V, V
REF
=0V
V
KA
=10V, V
REF
=0V
V
KA
=15V, V
REF
=0V
V
KA
=V
REF
, f<1KHz,
I
K
=0.1 to 15mA, Note 2
Unless otherwise specified, these specifications apply over T
A
=0 to 70
8
C, Co
=1
μ
F. Typical values refer to T
A
=25
8
C.
Low duty cycle pulse testing is used which keeps junction and case temperatures equal to the ambient tempera-
ture.
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V
IN
) .................................................... 15V
Continuous Cathode Current Range .......................... -15mA To +15mA
Reference Current Range .......................................... -0.05mA To 1mA
Storage Temperature Range ...................................... -65
8
C To 150
8
C
Operating Junction Temperature Range ..................... 0
8
C To 150
8
C
PACKAGE INFORMATION
5-PIN SOT-23 (L5)
3-PIN SOT-23 (L3)
θ
JA
=256
°
C/W
θ
JA
=336°C/W
ELECTRICAL SPECIFICATIONS
Note 1:
The deviation parameters, V
REF(DEV)
and I
REF(DEV)
are defined as the differences between the maximum
and the minimum values obtained over the rated tem-
perature range. The average full range temperature coef-
ficient of the reference input voltage is defined as:
Where:
α
V
REF
unit is ppm/
8
C
T
A
is the rated operating free air temperature of the
device.
α
V
REF
can be positive or negative depending on whether
minimum V
REF
or maximum V
REF
respectively occurs at
the lower temperature.
Cathode
Ref
Anode
1
2
3
TOP VIEW
Anode
Ref
NC
NC
Cathode
3
2
1
4
5
TOP VIEW
α
V
REF
=
V
REF(25
8
C)
10
o p
6
T
A
V
V
mV
mV/V
μ
A
μ
A
μ
A
μ
A
1.252
1.259
1.246
1.252
-6
1
80
0.75
5
10
0.4
1.240
1.240
1.240
1.240
6
-1
0.15
0.05
55
0.6
1.8
3.2
0.25
1.228
1.221
1.234
1.228
V
REF
V
REF
V
REF(DEV)
V
REF
/
V
KA
I
REF(DEV)
I
K(MIN)
Ioff
Z
KA0
Reference Voltage
IRU431L
Reference Voltage
IRU431AL
V
REF
Deviation over full
temperature range
Ratio of V
REF
change to
cathode voltage change
Reference Pin Current
I
REF
Deviation over full
temperature range
Minimum Cathode Current
Off State Cathode Current
Dynamic Impedance
PARAMETER SYM
TEST CONDITION
MIN TYP MAX UNITS
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