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28V Operation High Speed Voltage Regulators with Stand-by Function

■FEATURES

Max Output Current

: More than 150mA (200mA limit)

Dropout Voltage

Input Voltage Range

: 2.0V~28.0V

Output Voltage Range

: 1.8V~18.0V (0.1V increments)

High Accuracy

:±2%

Low Power Consumption

: 50μA

Stand-by Current

: Less than 0.1μA

High Ripple Rejection

: 50dB@1kHz

Operating Temperature

: -40℃~+85℃

Low ESR Capacitor

: Ceramic Capacitor Compatible

(Internal Phase Compensation)

Small Packages

: SOT-25, SOT-89, SOT-89-5,

USP-6C, SOT-223, TO-252

■GENERAL DESCRIPTION

The XC6701 series are positive voltage regulator ICs manufactured using CMOS process with 28V of operation voltage.

The series consists of a voltage reference, an error amplifier, a current limiter, a thermal shutdown circuit and a phase

compensation circuit plus a driver transistor.

The output voltage is selectable in 0.1V increments within the range of 1.8V to 18V which fixed by laser trimming

technologies.

The over current protection circuit and the thermal shutdown circuit are built-in.

These two protection circuits will operate

when the output current reaches current limit level or the junction temperature reaches temperature limit level.

The CE function enables the output to be turned off and the IC becomes a stand-by mode resulting in greatly reduced power

consumption.

Packages are selectable depending on the applications from SOT-25, SOT-89, SOT-89-5, USP-6C, SOT-223,

and TO-252.

■APPLICATIONS

●Car audio, Car navigation systems

●Note book computers, PDAs

●Home appliances

●Audio visuals, Digital cameras, Video cameras

●Cordless phones, Wireless communication

■ TYPICAL APPLICATION CIRCUITS

1μF

1μF

■ TYPICAL PERFORMANCE

CHARACTERISTICS

XC6701B/D 502

3.6

3.8

4.0

4.2

4.4

4.6

4.8

5.0

5.2

5.4

5.6

Time (1ms/div)

0

30

60

90

120

150

Output Current

C

Output Voltage

ETR0334-005a