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GENERAL DESCRIPTION

The XC6219/XC6211 series are highly accurate, low noise, CMOS LDO Voltage Regulators. Offering low output noise, high ripple rejection ratio, low dropout and very fast turn-on times, the XC6219/6211 series is ideal for today’s cutting edge mobile phone. Internally the XC6219/6211 includes a reference voltage source, error amplifiers, driver transistors, current limiters and phase compensators. The XC6219/6211’s current limiters foldback circuit also operates as a short protect for the output current limiter and. the output pin. The output voltage is set by laser trimming. Voltages are selectable in 50mV steps within a range of 0.9V to 5.0V. The XC6219/6211 series is also fully compatible with low ESR ceramic capacitors, reducing cost and improving output stability. This high level of output stability is maintained even during frequent load fluctuations, due to the excellent transient response performance and high PSRR achieved across a broad range of frequencies. The CE function allows the output of regulator to be turned off, resulting in greatly reduced power consumption.

■ FEATURES

Maximum Output Current : 150mA (VOUT<1.75V, A~D type)

: 240mA (VOUT>1.8V, A~D type)

: 300mA (VOUT>1.3V, E~H type)

Dropout Voltage : 200mV @ IOUT=100mA

Operating Voltage Range : 2.0V ~ 6.0V

Output Voltage Range : 0.9V ~ 5.0V (50mV steps)

Highly Accuracy : +2 (VOUT>1.5V)

: +30mV (VOUT≦ 1.5V)

: +1 (VOUT≧ 3.0V)

Low Power Consumption : 25μ A (TYP.)

Standby Current : Less than 0.1μ A (TYP.)

High Ripple Rejection : 65dB @10kHz

Operating Temperature Range

Low ESR Capacitor : Ceramic capacitor compatible

Ultra Small Packages : SOT-25 (SOT-23-5)

: SOT-89-5 (for XC6219 only)

: USP-6B (for XC6219 only)

■ APPLICATIONS

● Mobile phones

● Cordless phones, radio communication equipment

● Portable games

● Cameras, Video cameras

● Reference voltage sources

● Battery powered equipment