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LIA135 PDF预览

LIA135

更新时间: 2024-11-20 01:01:43
品牌 Logo 应用领域
IXYS /
页数 文件大小 规格书
13页 252K
描述
Low Voltage Optically Isolated Error Amplifiers

LIA135 数据手册

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LIA135 / LIA136  
Low Voltage Optically Isolated  
Error Amplifiers  
INTEGRATED  
C
IRCUITS  
D
IVISION  
Features  
Description  
Low Input Voltage of 1.6V over temperature  
Precision reference, error amplifier, and optocoupler  
in a single package  
Voltage Reference: 1.299V ±0.5% @ 25°C  
LIA135: ±1% @ -40°C to +85°C  
LIA136: ±1.5% @ -40°C to +110°C  
LIA136: Reduced dark current at high temperature  
Common Mode Transient Immunity:  
LIA135: 5V/ns  
The LIA135 and LIA136 are low voltage optically  
isolated error amplifiers with a precision  
programmable shunt reference combined into a single  
package capable of operating down to 1.6V. The  
optocoupler portion of the LIA135 / LIA136 comprises  
an infrared LED that is optically coupled to an NPN  
phototransistor providing a current transfer ratio from  
500% to 2000%. Ensuring low voltage performance,  
the input voltage range of 1.6V to 10V is guaranteed  
over the operational temperature range.  
LIA136: 20V/ns  
Simplified frequency compensation  
CTR 500% to 2000%  
The combination of features in the LIA135 / LIA136  
are optimal for use in isolated AC-to-DC power  
supplies and DC-to-DC converters. The bias current  
for the shunt regulator does not pass through the LED,  
which eliminates bias-related optical current, giving  
the user the industry’s largest dynamic range (1000:1).  
Lowest optical offset current (I vs. V  
)
CE  
LED  
Applications  
Low Voltage Power Supply Feedback  
Isolated Power Supply Feedback  
AC-to DC Power Supplies  
These devices are available in DIP and surface mount  
(SMT) packages.  
DC-to-DC Converters  
Approvals  
UL Recognized Component: File # E76270  
CSA Certified Component: Certificate # 1305490  
Ordering Information  
Part  
LIA135  
Description  
8-pin DIP, Tube (50/Tube)  
LIA135S  
8-pin Surface Mount, Tube (50/Tube)  
LIA135STR  
8-pin Surface Mount, Tape & Reel (1000/Reel)  
LIA136  
8-pin DIP, Tube (50/Tube)  
LIA136S  
LIA136STR  
8-pin Surface Mount, Tube (50/Tube)  
8-pin Surface Mount, Tape & Reel (1000/Reel)  
LIA135 and LIA136 Block Diagrams  
C
C
LED  
LED  
E
B
E
COMP  
COMP  
FB  
FB  
+
_
+
_
+
_
+
_
GND  
GND  
LIA136  
LIA135  
DS-LIA135 / LIA136-R01  
www.ixysic.com  
1

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