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XC6207B122EL Datasheet(PDF) 1 Page - Torex Semiconductor

Part # XC6207B122EL
Description  CMOS Low Power Consumption
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC6207B122EL Datasheet(HTML) 1 Page - Torex Semiconductor

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1
Data Sheet
ud200527
May 17, 2005 V4
CMOS Low Power Consumption
Dropout Voltage
: 40mV@30mA
120mV@100mA
Output Voltage Range : 1.2V ~ 5.0V
Output Current
: 300mA <Up to 380mA (TYP.)>
Low ESR Capacitor Compatible
High Ripple Rejection, Low Output Noise
Regulators with Green Operation (GO) Function
CL High-Speed Auto-Discharge (XC6207B)
GENERAL DESCRIPTION
The XC6207 series are precise, low noise, high speed, low
dropout regulators with green operation (GO) function. They
are fabricated using Torex’s CMOS process. Performance
features of the series include high ripple rejection and low
dropout voltage, and the series include a reference voltage
source, an error amplifier, a current limiter, and a phase
compensation circuit.
Output voltage is selectable in 50mV increments within a range
of 1.2V~5.0V, using laser trimming technologies.
The series' output stabilization capacitor (CL) is also
compatible with low ESR ceramic capacitors.
GO provides high speed operation, low power consumption
and high efficiencies by automatically switching between a high
speed mode (HS) and a power save mode (PS) depending
upon the load current level. The switching point of the GO to
the output current is being fixed inside the IC.
The IC
operates when the GO pin is low-level.
When only
high-speed operation is required, it can be fixed by inputting a
high level signal to the GO pin, thus providing operating
conditions with the most suitable level of supply current for the
application.
The CE function enables the output to be turned off resulting in
greatly reduced power consumption. In this state, with the
XC6207B series, the IC turns on the internal switch located
between the VOUT and VSS pins. This short enables the
electric charge at the output capacitor (CL) to be discharged
via the internal auto-discharge resistance, and as a result the
VOUT pin quickly returns to the VSS level.
The constant current limit circuit and the current limiter's
foldback circuit also operate as a short circuit protection for the
output current limiter and the output pin.
APPLICATIONS
Cellular phones
Cordless phones, Wireless communication equipment
Portable games
Cameras, VCRs
Portable AV equipment
PDAs
TYPICAL APPLICATION CIRCUIT
FEATURES
Maximum Output Current : 300mA <Up to 380mA (TYP.)>
Dropout Voltage
: 120mV@ IOUT=100mA
Operating Voltage Range: 2.0V ~ 6.0V
Output Voltage Setting Range: 1.2V ~ 5.0V (50mV increments)
Accuracy
: ±2% (HS Mode:VOUT >1.5V)
2%,-3% (PS Mode:VOUT >1.5V)
±
30mV (HS Mode:VOUT≦1.5V)
+30mV, -45mV (PS Mode:VOUT≦1.5V)
Low Power Consumption : 5.5μA (TYP.)(PS mode)
50μA (TYP.)(HS mode)
Standby Current
: Less than 0.1μA
High Ripple Rejection : 70dB @ 1kHz
Operating Temperature Range: -40℃ ~ 85℃
Low ESR Capacitor
: Ceramic capacitor compatible
Ultra Small Packages
: SOT-89-5
SOT-25
USP-6C
TYPICAL PERFORMANCE
CHARACTERISTICS
Supply Current vs. Output Current
0
10
20
30
40
50
60
70
80
0
123
45
Output Current IOUT (mA)
VIN=CE, VSS=GO=0V
VIN=2.8V, CIN=CL=1.0
µF, Ta=25OC
XC6207A182xx
GO-Compatible
VIN
VSS
VOUT
GO
CE
CIN
1uF
CL
1uF
Input
Input


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