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参数资料
| 型号： | FT1431CZ |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PBCY3 |
| 封装： | PLASTIC, TO-92, 3 PIN |
| 文件页数： | 1/3页 |
| 文件大小： | 123K |
| 代理商： | FT1431CZ |
■
Guaranteed 0.4% Initial Voltage Tolerance
■ 0.1 Typical Dynamic Output Impedance
■ Fast Turn On
■
Sink Current Capability, 1mA to 100mA
■ Low Reference Pin Current
■ Available in N8, S8 or 3-Lead TO-92 Z Packages
The
FT1431 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
FT1431 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 3-pin version, the
FT1431CZ/FT1431IZ, is
available for applications as an adjustable reference and is
pin compatible with the
FT431.
■ Linear Regulators
■ Adjustable Power Supplies
■
Switching Power Supplies
U
TEMPERATURE (°C)
–50
V
REF
(V)
2.4975
2.5000
2.5025
25
75
2.4950
2.4925
–25
0
50
100
125
2.4900
2.4875
VREF vs Temperature
FT1431
Programmable Reference
Features
Description
Application
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