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XC6220B301ER

Description
1A LDO Voltage Regulator with “GreenOperation”
File Size526KB,30 Pages
ManufacturerTOREX
Websitehttp://www.torex.co.jp/chinese/
Download Datasheet View All

XC6220B301ER Overview

1A LDO Voltage Regulator with “GreenOperation”

XC6220
Series
1A LDO Voltage Regulator with “GreenOperation”
ETR0341-007
☆GreenOperation-Compatible
■GENERAL
DESCRIPTION
The XC6220 series is a highly accurate, low noise, high speed, low dropout, and large current CMOS voltage regulator with
GreenOperation function. The series consists of a voltage reference, an error amplifier, a current limiter, an inrush current
prevention circuit and a phase compensation circuit plus a driver transistor.
With a 0.2Ω on-resistance driver transistor integrated and with output currents up to 1A, the ultra low dropout voltage
performance greatly extends battery life as does the GreenOperation function which can switch between high speed and
power save modes automatically.
Low ESR ceramic capacitors can be used for the output stabilization capacitor (C
L
).
Output voltage is selectable in 0.05V increments within the range of 0.8V~5.0V, using laser trimming technologies.
An over current protection circuit and a thermal shutdown circuit are built in. The over current protection circuit will operate
when the output current reaches its limit current. The thermal shutdown circuit will operate when the junction temperature
reaches its limit temperature. The inrush protection circuit works by controlling the inrush current which is charged to C
L
when
the IC starts up. In this way, any fluctuations to V
IN
caused by inrush current during system start up can be minimized.
The CE function enables the output to be turned off and the IC becomes a stand-by mode resulting in greatly reduced power
consumption.
■APPLICATIONS
●CD-ROM,
CD-R/RW drives
●DVD
drives
●HDD
drives
●MIDs,
UMPCs
●Digital
still cameras, Video cameras
●Portable
AV equipment
■FEATURES
Maximum Output Current
Dropout Voltage
Operating Voltage Range
Output Voltage Range
Accuracy
Low Power Consumption
Operating Temperature
Thermal Shutdown
Inrush Current Protection
C
L
Auto Discharge
CE Pull-Down Resistor
Output Capacitor
Packages
Environmentally Friendly
: 1000mA (TYP.:1200mA limit)
(1.2V≦V
OUT
≦5.0V)
: 20mV @ 100mA (V
OUT
=3.0V)
: 60mV@ 300mA (V
OUT
=3.0V)
: 1.6V ~ 6.0V
: 0.8V ~ 5.0V (0.05V increments)
:±1% (V
OUT
≧2.0V)
:±20mV (V
OUT
<2.0V)
: 8μA (TYP.) in PS mode
: 50μA (TYP.) in HS mode
: - 40℃~ +85℃
: Detect 150℃, Release 135℃(TYP.)
: 700mA (MAX.)
: XC6220B/D Series
: XC6220C/D Series
: Ceramic Capacitor Compatible
: USP-6C, SOT-25, SOT-89-5
: EU RoHS Compliant, Pb Free
■TYPICAL
APPLICATION CIRCUIT
■TYPICAL
PERFORMANCE
CHARACTERISTICS
XC6220x 181
500
Dropout Voltage: Vdif (mV)
400
300
200
100
0
0
200
400
600
800
1000
Output Current: I
OUT
(mA)
Topr=25℃
Topr=-40℃
Topr=85℃
CE=V
IN
, C
IN
=C
L
=10μF (ceramic)
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