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| 型號： | TL1431QPW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | PRECISION PROGRAMMABLE REFERENCE |
| 中文描述： | 精密可編程的參考 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 345K |
| 代理商： | TL1431QPW |
www.ti.com
CATHODE
REF
ANODE
800
2.4 k
4 k
20 pF
1 k
7.2 k
800
800
150
10 k
3.28 k
20 pF
1
8
2, 3, 6, 7
Absolute Maximum Ratings
(1)
over operating free-air temperature range (unless otherwise noted)
TL1431
PRECISION PROGRAMMABLE REFERENCE
SLVS062K–DECEMBER 1991–REVISED OCTOBER 2006
EQUIVALENT SCHEMATIC
A.
B.
All component values are nominal.
Pin numbers shown are for the D package.
MIN
MAX
UNIT
V
mA
mA
V
KA
I
KA
I
I(ref)
Cathode voltage
(2)
Continuous cathode current range
Reference input current range
37
–100
–50
150
10
97
140
149
5.61
14.5
150
260
150
D package
LP package
PW package
FK package
JG package
θ
JA
Package thermal impedance
(3)(4)
°
C/W
θ
JC
Package thermal impedance
(5)(6)
°
C/W
T
J
Operating virtual junction temperature
Lead temperature
Storage temperature range
°
C
°
C
°
C
1,6 mm (1/16 in) from case for 10 s
T
stg
–65
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
All voltage values are with respect to ANODE, unless otherwise noted.
Maximum power dissipation is a function of T
,
θ
, and T
. The maximum allowable power dissipation at any allowable ambient
temperature is P
= (T
– T
)/
θ
. Operating at the absolute maximum T
J
of 150
°
C can affect reliability.
The package thermal impedance is calculated in accordance with JESD 51-7.
Maximum power dissipation is a function of T
,
θ
, and T
. The maximum allowable power dissipation at any allowable case
temperature is P
= (T
– T
)/
θ
. Operating at the absolute maximum T
of 150
°
C can affect reliability.
The package thermal impedance is calculated in accordance with MIL-STD-883.
(2)
(3)
(4)
(5)
(6)
3
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