EC2960|Source and Shink 1.5A/2A Fast Transient Response Line Regulator

EC2960|Source and Shink 1.5A/2A Fast Transient Response Line Regulator

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General Description

The EC2960/EC2960A linear regulator is designed to provide a regulated voltage with bi-direction output current
for DDRSDRAM termination voltage.
The EC2960 integrates two power transistors to source or sink load current up to 1.5A/2A.It also features internal soft-start, current-limit, thermal shutdown and enable control functions into a single chip.
The internal soft-start controls the rising rate of the output voltage to prevent inrush current during start-up.
The current-limit circuit detects the output current and limits the current during short-circuit or current overload
conditions. The on-chip thermal shutdown provides thermal protection against any combination of overload
that would create excessive junction temperatures.
The output voltage of EC2960/EC2960A is regulated to track the voltage on VREF pin. An proper resistor divider connected to VIN, GND, and VREF pins is used to provide a half voltage of VIN to VREF pin. In addition, connect an external ceramic capacitor and a open-drain transistor to VREF pin for external soft-start and shutdown control.
Pulling and holding the voltage on VREF below the enable voltage threshold shuts down the output. The output of
EC2960/EC2960A will be high impedance after being shutdown by VREF or the thermal shutdown function.

Features

◆ Provide Bi-direction Output Currents
◆ Sourcing and Sinking Current up to 1.5A/2A Built-in Soft-Start
◆ Power-On-Reset Monitoring on VCNTL and VIN pins
◆ Fast Transient Response
◆ Stable with Ceramic Output Capacitors ±20mV High System Output Accuracy over Load and Temperature Ranges
◆ Adjustable Output Voltage by External Resistors
◆ Current-Limit Protection
◆ On-Chip Thermal Shutdown
◆ Shutdown for Standby or Suspend Mode
●SimpleSOP-8 with Exposed Pad(SOP8-EP) Packages
◆ Lead Free and Green Devices Available(RoHS Compliant)

Applications

◆ DDRII/III SDRAM Termination Voltage
◆ Motherboard and VGA Card Power Supplies
◆ Setop Box
◆ SSTL-2/3 Termination Voltage


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