XC6227 datasheet(1/25 Pages) TOREX

Il numero della parte	XC6227

Spiegazioni elettronici	700mA High Speed LDO Regulator with Reverse Current Protection

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Produttore elettronici	TOREX [Torex Semiconductor]

Homepage	http://www.torex.co.jp

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XC6227 Series

700mA High Speed LDO Regulator with Reverse Current Protection

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GENERAL DESCRIPTION

The XC6227 series is a highly accurate, low noise, high ripple rejection, low dropout, and low power consumption high speed

voltage regulator.

The series consists of a voltage reference, an error amplifier, a driver transistor, a current limiter, a thermal protection circuit, a

reverse current protection circuit and a phase compensation circuit.

The CE function enables the entire circuit to be placed in a stand-by state by inputting a low level signal to the CE pin.

Over-current protection and thermal protection circuits are integrated. The protection circuit starts to operate when either output

current reaches the current limit level or junction temperature reaches the temperature limit. With the reverse current protection

function of a driver transistor, the reverse current flow is prohibited when VOUT voltage is higher than VIN voltage. For an example,

when a battery is connected to the VOUT pin, battery current will not flow back to the XC6227.

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FEATURES

Maximum Output Current

: 700mA

Dropout Voltage

: 120mV @IOUT=300mA(VOUT=3.0V)

Operating Voltage Range

: 1.7V ~ 6.0V

Output Voltages

: 0.8V~5.0V (0.05V increments)

Accuracy

: +1% (VOUT＞2.0V)

+0.02V (VOUT≦2.0V)

Low Power Consumption

: 100μA

Chip Enable(CE)

: Active High

Standby Current below 0.1μA

High Ripple Rejection

: 65dB @ 1kHz

Operating Ambient Temperature

: -40℃~+85℃

Low ESR Capacitor

: Ceramic capacitor

Packages

: USP-6C, SOT-25, SOT-89-5

Environmentally Friendly

: EU RoHS Compliant, Pb Free

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TYPICAL APPLICATION CIRCUIT

ETR0354-003

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APPLICATIONS

●

USB products and HDMI equipments

●

Electronic dictionaries

●

Mobile phones

●

Portable game consoles

●

Camera modules

●逆流時VOUT端子シンク電流-入力電圧特性例

VOUT=3.3V

IOUT=0mA

XC6227C331

-2

0

2

4

6

8

10

00.5 1 1.5 22.533.5 4 4.555.5 6

Input Voltage：VIN(V)

-40℃

25℃

85℃

■

TYPICAL PERFORMANCE

CHARACTERISTICS

●

VOUT Sink Current VS. Input Voltage

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