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TSC
TSC Corporation
Description : 3A Dual Input Low Dropout Positive Voltage Regulator

General Description
The TS1582 family is a positive adjustable and fixed voltage Regulator developed to provide 3A with Higher efficiency than currently available devices. All internal circuit is designed to operate down to 700mV Input to output differential and the Dropout voltage is fully specified as a function of load current. Dropout voltage of the device is 100mV at light loads and rising to 700mV at maximum output current. A Second Low current Input is required to achieve this Dropout. The TS1582 series are designed to prevent device failure under the worst operation condition with both Thermal Shutdown and Current Fold-back.

Features
◇ Very Low Dropout voltage: 700mV @3A
◇ Output current up to 3A
Low current Consumption
◇ High Accuracy Output Voltage: +/- 1%
◇ Fast transient response
◇ Remote sense
◇ Internal current limit
◇ Thermal shutdown protection

Applications
◇ High efficiency linear voltage Regulators
◇ Post Regulators for switching supplies.
◇ Advance graphic card
◇ Adjustable power supply

TSC
TSC Corporation
Description : 5A Dual Input Low Dropout Positive Voltage Regulator

General Description
The TS1581 family is a positive adjustable and fixed voltage Regulator developed to provide 5A with Higher efficiency than currently available devices. All internal circuit is designed to operate down to 700mV Input to output differential and the Dropout voltage is fully specified as a function of load current. Dropout voltage of the device is 100mV at light loads and rising to 700mV at maximum output current. A Second Low current Input is required to achieve this Dropout. The TS1581 series are designed to prevent device failure under the worst operation condition with both Thermal Shutdown and Current Fold-back.

Features
◇ Very Low Dropout voltage: 700mV @5A
◇ Output current up to 5A
Low current Consumption
◇ High Accuracy Output Voltage: +/- 1%
◇ Fast transient response
◇ Remote sense
◇ Internal current limit
◇ Thermal shutdown protection

Applications
◇ High efficiency linear voltage Regulators
◇ Post Regulators for switching supplies.
◇ Advance graphic card
◇ Adjustable power supply

TSC
TSC Corporation
Description : 1.5A Dual Input Low Dropout Positive Voltage Regulator

General Description
The TS1583 family is a positive adjustable and fixed voltage Regulator developed to provide 1.5A with Higher efficiency than currently available devices. All internal circuit is designed to operate down to 700mV Input to output differential and the Dropout voltage is fully specified as a function of load current. Dropout voltage of the device is 100mV at light loads and rising to 700mV at maximum output current. A Second Low current Input is required to achieve this Dropout. The TS1583 series are designed to prevent device failure under the worst operation condition with both Thermal Shutdown and Current Fold-back.

Features
◇ Very Low Dropout voltage: 700mV @1.5A
◇ Output current up to 1.5A
Low current Consumption
◇ High Accuracy Output Voltage: +/- 1%
◇ Fast transient response
◇ Remote sense
◇ Internal current limit
◇ Thermal shutdown protection

Applications
◇ High efficiency linear voltage Regulators
◇ Post Regulators for switching supplies.
◇ Advance graphic card
◇ Adjustable power supply

Part Name(s) : EZ1581CM.TR
Semtech
Semtech Corporation
Description : Dual Input Low Dropout Regulator

DESCRIPTION
The EZ158X family of high performance positive voltage Regulators are designed for use in applications requiring very Low Dropout voltage at 7, 5, 3 and 1.5 amps. When supplying 2.5V on motherboards where both 5V and 3.3V supplies are available, the superior Dropout characteristics of the EZ158X result in reduced heat dissipation compared to regular LDOs, thus alLowing heat sink size reduction. Additionally, the EZ158X provides excellent regulation over variations in line, load and temperature. Remote sense operation alLows compensating for trace, connector and other resistive losses.

FEATURES
• 540mV Dropout @ 7A in Dual supply mode (EZ1580)
• Remote sense operation
• Fast transient response
• 0.5% initial accuracy
• 5 Pin TO-220 and TO-263 packages

APPLICATIONS
• Microprocessor supplies
• Split plane microprocessor supplies
• Pentium® Processor P54C and P55C
• PowerPC™ 603/604EV
• AMD5K86™, AMD K6

Description : Low-Cost, Low-Dropout, Dual Linear Regulator

General Description
The MAX8862 Low-cost, Low-Dropout, Dual linear voltage Regulator is ideal for battery-powered and portable applications. The Regulators have independent supply Inputs and provide 250mA and 100mA, respectively, with a full-load Dropout voltage of 160mV. Both Regulators use P-channel MOSFET pass transistors and maintain Low quiescent current independent of load current. In Dropout, the MOSFET does not suffer from excessive base currents, as do saturated PNP transistors.

Features
Low Cost
♦ Guaranteed 250mA and 100mA Output Currents, with Current Limiting
Dual Mode Operation: Fixed or Adjustable Output from +2V to +11V
♦ +2.5V to +11.5V Input Range
♦ 160mV Dropout Voltage at 200mA Output Current
Low Supply Current—Even in Dropout
   200µA Operating
   <1µA Shutdown
♦ Power-Good Indicator
♦ Reverse-Battery Protection
♦ Thermal Overload Protection

Applications
   Cellular Phones
   Cordless Phones
   PCS Phones
   PCMCIA Cards
   Modems
   Hand-Held Instruments
   Electronic Planners

Anpec
Anpec Electronics
Description : Dual Input Low Dropout Regulator

General Description
The APL1582 of high performance positive voltage Regulators are designed for using in applications requiring very Low Dropout voltage at 3Amps. The superior Dropout characteristics result in reduced heat dissipation compared to regular LDOs. The APL1582 also provides excellent regulation over line, load, and temperature variations.

Features
• 450mV Typ. Dropout at 3A in Dual Power Voltage Mode
• Remote Sense Pin Available
• 2% Accuracy Over-Temperature Range
• Built-in Over-Temperature Protection
• Built-in Current-Limit
• 5-Pin TO-252 and TO-263 Packages
• Lead Free and Green Devices Available (RoHS Compliant)

Applications
• Microprocessor Supplies
• Chip Set Supplies
• VGA Card Power
• LCD Monitor Power

Semtech
Semtech Corporation
Description : Very Low Input /Very Low Dropout 1Amp Regulator With Enable

Description
The SC4212 is a high performance positive voltage Regulator designed for applications requiring very Low Input voltage and very Low Dropout voltage at up to 1 Ampere. It operates with a VIN as Low as 1.5V, with output voltage programmable as Low as 0.5V. The SC4212 features ultra Low Dropout, ideal for applications where VOUT is very close to VIN. Additionally, the SC4212 has an enable pin to further reduce power dissipation while shutdown. The SC4212 provides excellent regulation over variations in line, load and temperature.

Features
„ Input voltage as Low as 1.5V
„ 400mV Dropout @ 1A
„ Adjustable output from 0.5V
„ Over current and over temperature protection
„ Enable pin
„ 10μA quiescent current in shutdown
„ Low reverse leakage (output to Input)
„ Full industrial temperature range
„ Pb Free, Halogen Free and WeEE/RoHS Compliant

Applications
„ Telecom/Networking cards
„ Motherboards/Peripheral cards
„ Industrial Applications
„ Wireless infrastructure
„ Set top boxes
„ Medical equipment
„ Notebook computers
„ Battery powered systems

Niko
Niko Semiconductor
Description : Dual Input Ultra Low Dropout Voltage Regulator (ULDO) TO-252

GENERAL DESCRIPTION
The L1581 is a positive and very Low Dropout voltage Regulator with 5A output current capability. When supplying 2.5V or 2.8V on Motherboards or VGA Card where both 5V and 3.3V supplies are available,
the superior Dropout characteristics of the L1581 result in reduced heat dissipation compared to regular LDOs, thus alLowing heat sink reduction. The adjustable version requires only two external resistors to set
the output. The L1581 features a Low Dropout of less than 600mV and offers fast transient response, remote sense, internal limiting, thermal shutdown and safe operating area protection of the output device.
The L1581 is a five terminal adjustable voltage Regulator available in the popular 5 pin TO-252 packages.

FEATURES
Low Dropout voltage 600mV at rated load current
Remote sense operation
Fast transient response
0.5% voltage reference initial accuracy
Standard 5 terminal, Low cost TO-252 packages

APPLICATIONS
3.3V to 2.8V or 2.5V for Motherboards or VGA Card
Spilt plane microprocessor supplies
Post Regulator for switching supplies

Semtech
Semtech Corporation
Description : Very Low Input / Very Low Dropout 2 Amp Regulator With Soft-Start

Description
The SC4215J is a high performance positive voltage Regulator designed for use in applications requiring very Low Input voltage and very Low Dropout voltage at up to 2 amperes. It operates with a Vin as Low as 1.4V, with output voltage programmable as Low as 0.5V. The SC4215J features ultra Low Dropout, ideal for applications where Vout is very close to Vin. Additionally, the SC4215J has an enable pin to further reduce power dissipation while shut down. The SC4215J provides excellent regulation over variations in line, load and temperature.

Features
Input Voltage as Low as 1.4V
■ 400mV Dropout @ 2A
■ Adjustable Output from 0.5V
■ 1ms Internal Soft-Start Minimizes Inrush Current
■ Over Current and Over Temperature Protection
■ Enable Function Option
■ 10µA Quiescent Current in Shutdown
■ Reverse Blocking from Output to Input
■ Full Industrial Temperature Range
■ Fully WEEE and RoHS Compliant
         

Applications
■ Telecom and Networking Cards
■ Motherboards and Peripheral Cards
■ Industrial Applications
■ Wireless Infrastructure
■ Medical Equipment
    

 

ETC
Unspecified
Description : Dual Input Ultra Low Dropout Voltage Regulator (ULDO)

[NIKO-SEM]

GENERAL DESCRIPTION
The L1581 is a positive and very Low Dropout voltage Regulator with 5A output current capability. When supplying 2.5V or 2.8V on Motherboards or VGA Card where both 5V and 3.3V supplies are available, the superior Dropout characteristics of the L1581 result in reduced heat dissipation compared to regular LDOs, thus alLowing heat sink reduction. The adjustable version requires only two external resistors to set the output. The L1581 features a Low Dropout of less than 600mV and offers fast transient response, remote sense, internal limiting, thermal shutdown and safe operating area protection of the output device.
The L1581 is a five terminal adjustable voltage Regulator available in the popular 5 pin TO-252 packages.

FEATURES
Low Dropout voltage 600mV at rated load current
● Remote sense operation
● Fast transient response
● 0.5% voltage reference initial accuracy
● Standard 5 terminal, Low cost TO-252 packages

APPLICATIONS
● 3.3V to 2.8V or 2.5V for Motherboards or VGA Card
● Spilt plane microprocessor supplies
● Post Regulator for switching supplies

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