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LT1790BIS6-3.3#TRMPBF 产品设计参考手册 - Linear Technology（凌力尔特）
制造商:
Linear Technology（凌力尔特）
分类:
电压基准芯片
封装:
TSOT-23-6
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
典型应用电路图在P1P26
原理图在P24
封装尺寸在P3P25
焊盘布局在P25
型号编码规则在P3
标记信息在P3
封装信息在P3
技术参数、封装参数在P10
应用领域在P1P11P19P20P21P22P23
电气规格在P4P5P6P7P8P9P10P11P12P13P14P15
导航目录
LT1790BIS6-3.3#TRMPBF数据手册
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LT1790
1
1790fb
TYPICAL APPLICATION
DESCRIPTION
Micropower SOT-23
Low Dropout Reference Family
FEATURES
APPLICATIONS
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
The LT
®
1790 is a family of SOT-23 micropower low dropout
series references that combine high accuracy and low drift
with low power dissipation and small package size. These
micropower references use curvature compensation to
obtain a low temperature coeffi cient and trimmed preci-
sion thin-fi lm resistors to achieve high output accuracy. In
addition, each LT1790 is post-package trimmed to greatly
reduce the temperature coeffi cient and increase the output
accuracy. Output accuracy is further assured by excellent
line and load regulation. Special care has been taken to
minimize thermally induced hysteresis.
The LT1790s are ideally suited for battery-operated sys-
tems because of their small size, low supply current and
reduced dropout voltage. These references provide sup-
ply current and power dissipation advantages over shunt
references that must idle the entire load current to operate.
Since the LT1790 can also sink current, it can operate as
a micropower negative voltage reference with the same
performance as a positive reference.
n
High Accuracy:
A Grade—0.05% Max
B Grade—0.1% Max
n
Low Drift:
A Grade—10ppm/°C Max
B Grade—25ppm/°C Max
n
Low Thermal Hysteresis 40ppm (Typical) –40°C to 85°C
n
Low Supply Current: 60μA Max
n
Sinks and Sources Current
n
Low Dropout Voltage
n
Guaranteed Operational –40°C to 125°C
n
Wide Supply Range to 18V
n
Available Output Voltage Options: 1.25V, 2.048V,
2.5V, 3V, 3.3V, 4.096V and 5V
n
Low Profi le (1mm) ThinSOT™ Package
n
Handheld Instruments
n
Negative Voltage References
n
Industrial Control Systems
n
Data Acquisition Systems
n
Battery-Operated Equipment
Typical V
OUT
Distribution for LT1790-2.5Positive Connection for LT1790-2.5
0.1μF
2.6V ≤ V
IN
≤ 18V
1μF
1, 2
6
V
OUT
= 2.5V
4
LT1790-2.5
1790 TA01
OUTPUT VOLTAGE (V)
2.498 2.499 2.500 2.501 2.502
NUMBER OF UNITS
30
40
50
1790 TA02
20
10
25
35
45
15
5
0
LT1790B LIMITS
LT1790A LIMITS
167 UNITS
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