參數(shù)資料
型號: LT1431MJ8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Programmable Reference
中文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, CDIP8
封裝: 0.300 INCH, HERMETIC SEALED, CERAMIC, DIP-8
文件頁數(shù): 1/12頁
文件大小: 272K
代理商: LT1431MJ8
1
LT1431
D
U
ESCRIPTIO
S
FEATURE
Programmable Reference
I
Guaranteed 0.4% Initial Voltage Tolerance
I
0.1
Typical Dynamic Output Impedance
I
Fast Turn-On
I
Sink Current Capability, 1mA to 100mA
I
Low Reference Pin Current
The LT1431 is an adjustable shunt voltage regulator with
100mA sink capability, 0.4% initial reference voltage tol-
erance, and 0.3% typical temperature stability. On-chip
divider resistors allow the LT1431 to be configured as a 5V
shunt regulator, with 1% initial voltage tolerance and
requiring no additional external components. By adding
two external resistors, the output voltage may be set to any
value between 2.5V and 36V. The nominal internal current
limit of 100mA may be decreased by including one exter-
nal resistor.
A simplified three pin version, the LT1431Z/IZ, is available
for applications as an adjustable reference and is pin
compatible with the TL431.
U
S
A
O
PPLICATI
I
Linear Regulators
I
Adjustable Power Supplies
I
Switching Power Supplies
U
A
O
PPLICATI
TYPICAL
Isolated 5V Regulator
LT1431 TA01
+
+
SWITCHING
REGULATOR
V
IN
COLL
COMP
V+
LT1431
GND-F
GND-S
R
TOP
REF
R
MID
2.5V
5V
+
gm =
4mA/V
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LT1431CN8 Programmable Reference
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