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PDF ( 数据手册 , 数据表 ) PL2951-xxQ8

零件编号 PL2951-xxQ8
描述 100mA Low Dropout Voltage Regulators
制造商 Cystech Electonics
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PL2951-xxQ8 数据手册, 描述, 功能
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CYStech Electronics Corp.
100mA Low Dropout Voltage Regulators
PL2951-XXQ8
Spec. No. : C503Q8
Issued Date : 2003.03.21
Revised Date :
Page No. : 1/5
FEATURES
Battery powered systems
Cordless telephones
Radio control systems
Portable/Palm top/Notebook computers
Portable consumer equipment
Portable Instrumentation
Avionics
Automotive Electronics
SMPS Post-Regulator
Voltage Reference
APPLICATIONS
High accuracy output voltage
Guaranteed 100mA output
Very low quiescent current
Low dropout voltage
Extremely tight load and line regulation
Very low temperature coefficient
Needs only 1µF for stability
Error Flag warns of output dropout
Logic-Controlled electronic shutdown
Output programmable from 1.24 to 29V
PRODUCT DESCRIPTION
The PL2951-XX is a low power voltage regulator. This device excellent choice for use in battery powered
application such as cordless telephone, radio control systems, and portable computers.
The PL2951-XX features very low quiescent current (75µA Typ.) and very low drop output voltage (Typ.
40mV at light load and 380mV at 100mA). This includes a tight initial tolerance of 0.5% typ., extremely
good load and line regulation of 0.05% typ., and very low output temperature coefficient, making the
PL2951-XX useful as a low-power voltage reference.
The error flag output feature is used as power-on reset for warn of a low output voltage, due to following
batteries on input. Other feature is the logic-compatible shutdown input which enable the regulator to be
switched on and off.
The PL2951-XX is available in 8-pin plastic packages. The regulator output voltage may be pin-strapped
for a -XX volt or programmed from 1.24 volt to 29 volts with external pair of resistors.
Absolute Maximum Ratings
Pin Connection
Power Dissipation
Lead Temperature
(Soldering, 5 seconds)
Storage Temperature Range
Operating Junction Temperature
Range
Input Supply Voltage
Feedback Input Voltage
Shutdown Input Voltage
Error Comparator Output
Internally Limited
260
-65°C to+150°C
-55°C to +150°C
-0.3 to +30V
-1.5 to +30V
-0.3 to +30V
-0.3 to +30V
error
PL2951Q8
CYStek Product Specification












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