8184, 81841, 81847EIB Selling Leads, Datasheet
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8184, 81841, 81847EIB
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Info of 8184
Info of 81841
Info of 81847EIB
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About 8184
PDF/DataSheet Download
Datasheet: 8184
File Size: 121995 KB
Manufacturer: ALLEGRO [Allegro MicroSystems]
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About 8181
PDF/DataSheet Download
Datasheet: 8181
File Size: 105924 KB
Manufacturer: ALLEGRO [Allegro MicroSystems]
Download : Click here to Download
About 8181
PDF/DataSheet Download
Datasheet: 8181
File Size: 105924 KB
Manufacturer: ALLEGRO [Allegro MicroSystems]
Download : Click here to Download
8184 General Description
Designed specifically to meet the requirement for extended opera-tion of battery-powered equipment such as cordless and cellular telephones, the A8184SLT voltage regulator offers the reduced dropout voltage and quiescent current essential for maximum battery life. Applicable also to palmtop computers and personal data assistants, the
device delivers a regulated, continuous 3 V output at up to 75 mA under normal operating conditions, or to 150 mA (transient) under worst-case conditions.
A PMOS pass element provides a typical dropout voltage of only 90 mV at 60 mA of load current. The low dropout voltage permits deeper battery discharge before output regulation is lost. Furthermore, quiescent current does not increase as the dropout voltage is ap-proached, an ideal feature in standby/resume power systems where data integrity is crucial. Regulator accuracy and excellent temperature characteristics are provided by a bandgap reference.
This device is supplied in a small-outline plastic transistor package (SOT-89/TO-243AA) for surface-mount applications. The A8184SLT is rated for operation over a temperature range of -20°C to +85°C. A similar device with an ENABLE input for control over sequential power up, standby, or power down is the A8183SLU.
device delivers a regulated, continuous 3 V output at up to 75 mA under normal operating conditions, or to 150 mA (transient) under worst-case conditions.
A PMOS pass element provides a typical dropout voltage of only 90 mV at 60 mA of load current. The low dropout voltage permits deeper battery discharge before output regulation is lost. Furthermore, quiescent current does not increase as the dropout voltage is ap-proached, an ideal feature in standby/resume power systems where data integrity is crucial. Regulator accuracy and excellent temperature characteristics are provided by a bandgap reference.
This device is supplied in a small-outline plastic transistor package (SOT-89/TO-243AA) for surface-mount applications. The A8184SLT is rated for operation over a temperature range of -20°C to +85°C. A similar device with an ENABLE input for control over sequential power up, standby, or power down is the A8183SLU.
8184 Maximum Ratings
Input Voltage, VI . . . . . . . . . . . . . . 10 V
Output Current, IO . . . . . . . . . . . .150mA*
Operating Temperature Range.
T A. . . . . . . . . . . . . .. .-20to +85
Junction Temperature, TJ . . . . .. . +150
Storage Temperature Range,
TS . . . . . . . . . . . . . ...-40 to +150
* Output current rating is limited by inputDISCONT voltage, duty cycle, and ambient tempera-ture. Under any set of conditions, do not exceed a junction temperature of +150°C.- FOR See following pages.
+ Fault conditions that produce excessive junction temperature will activate device thermal shutdown circuitry. These condi- tions can be tolerated but should be avoided.V
Output Current, IO . . . . . . . . . . . .150mA*
Operating Temperature Range.
T A. . . . . . . . . . . . . .. .-20to +85
Junction Temperature, TJ . . . . .. . +150
Storage Temperature Range,
TS . . . . . . . . . . . . . ...-40 to +150
* Output current rating is limited by inputDISCONT voltage, duty cycle, and ambient tempera-ture. Under any set of conditions, do not exceed a junction temperature of +150°C.- FOR See following pages.
+ Fault conditions that produce excessive junction temperature will activate device thermal shutdown circuitry. These condi- tions can be tolerated but should be avoided.V
8184 Features
High Efficiency Provides Extended Battery Life
90 mV Typical Dropout Voltage at I O = 60 mA
45 A Typical Quiescent Current at V I= 6 V
Up to 150 mA Output Current
Internal Thermal Protection
Surface-Mount Package
UED PRODUCT
90 mV Typical Dropout Voltage at I O = 60 mA
45 A Typical Quiescent Current at V I= 6 V
Up to 150 mA Output Current
Internal Thermal Protection
Surface-Mount Package
UED PRODUCT
8184 Typical Application
Cordless and Cellular Telephones
EFERENCE OPersonal Data Assistants
Personal Communicators
Palmtop Computers
EFERENCE OPersonal Data Assistants
Personal Communicators
Palmtop Computers
8184 Connection Diagram
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