EC6209-250mA Low-Quies. Current Linear Regulator

General description

The EC6209 series is a positive voltage regulator with highly accurate output voltage and ultra-low quiescent current which is typically 2.0μA. The device is ideal for battery powered applications and handheld communication equipments which require low quiescent current.

The EC6209 consists of a band-gap reference voltage source, an error amplifier, a P-channel pass transistor, a resistor-divider for setting output voltage, a current limiter, and temperature limit protection circuit. The high-accuracy output voltage is preset at an internally trimmed voltage 1.8V, 2.5V or 3.3V. Other output voltages can be mask- optioned from 1.2V to 5.0V with 100mV increment. (but only 1.28V in stead of 1.3V)

The EC6209 has been designed to be used with low cost ceramic capacitors and requires a mini- mum output capacitor of 1.0μF. The devices are available in SOT23-3, SOT23-5,SOT89, and UDFN-6 packages.

Features

l   2.0µA Quiescent Current (Typ.)

l   Operating Voltages Range:+1.8V to +6.0V

l   Output Voltages Range:+1.2V to +5.0V with 100mV Increment

l   Maximum Output Current:250 mA

l   Low Dropout: 150 mV @ 100mA

(VOUT≧2.0 V)

l   High Accuracy of Output Voltage

±2.0% : VOUT≧2.5 V

±50mV : VOUT≦2.5 V

l   High Ripple Rejection:60 dB

l   Output Current Limit Protection (350mA)

l   Short Circuit Protection (200mA)

l   Thermal Overload Shutdown Protection

l   Low ESR Capacitor Compatible

l   SOT23-3,SOT23-5,SOT89 and UDFN-6 Packages

RoHS Compliant and Green (Halogen Free with Commercial Standard)

Applications

◆DSC、PDA、MP3 Player

◆Digital Video Recorder

◆Battery Powered Instrument

◆Portable Communication Device

 

Pin Configurations

Ordering info

Typical Applications circuit

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