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XC6501D501NL Datasheet(PDF) 1 Page - Torex Semiconductor

Part # XC6501D501NL
Description  Output Capacitor-Less, Low Power Consumption, High Speed LDO Regulator
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC6501D501NL Datasheet(HTML) 1 Page - Torex Semiconductor

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XC6501
Output Capacitor-Less, Low Power Consumption, High Speed LDO Regulator
■GENERAL DESCRIPTION
The XC6501 series is a 6.0V high speed, low noise CMOS LDO regulator that can provide stable output voltages within a range
of 1.2V to 5.0V (0.05V increments) even without a load capacitor CL. This is possible because phase compensation is carried
out internally unlike other LDOs where it is done externally. The series consists of a reference voltage source, driver transistor,
error amplifier, current limit circuit, and phase compensation circuit.
The CE function enables the circuit to be put into stand-by mode by inputting a low level signal to the CE pin thereby reducing
current consumption from an already low 13μA (in operation) to less than 0.1μA. In the stand-by mode, if a CL cap is used, the
electric charge stored at CL can be discharged via the internal auto-discharge switch and as a result, the VOUT pin quickly returns
to the VSS level.
The current limit fold-back circuit operates as a short circuit protection and a current limiter function for the output pin.
APPLICATIONS
Mobile phones (RF, Digital cash, I/O etc.)
Portable games
Camera modules
Wireless LAN modules
LCD modules
Bluetooth
Digital-TV tuners
■TYPICAL APPLICATION CIRCUIT
FEATURES
Operating Voltage Range
:
1.4~6.0V
Output Voltage Range
:
2.0~5.0V(Accuracy:±1%)
1.2~1.95V(Accuracy:±0.02V)
Dropout Voltage
:
150mV@IOUT=100mA,
VOUT=2.8V
Low Power Supply
:
13μA@VOUT=2.8V
Stand-by Current
:
Less than 0.1μA
Ripple Rejection
:
50dB@f=1kHz,VOUT=2.8V
Protection Circuits
:
Current limit (300mA, TYP.)
:
Short circuit protection
Output capacitor is not required
:
Internal phase compensation
CL High Speed Auto Discharge
Packages
USP-3, USP-4
SSOT-24, SOT-25
■TYPICAL PERFORMANCE
CHARACTERISTICS
XC6501 Series
2.0
2.2
2.4
2.6
2.8
3.0
3.2
Time (40μs/div)
0
50
100
150
200
250
300
C
L=1.0μF
Output Current
C
L無し
Ta=25℃,tr=tf=5μs
CIN=0.1μF (ceramic)
XC6501 Series
2.0
2.2
2.4
2.6
2.8
3.0
3.2
Time (40μs/div)
0
50
100
150
200
250
300
C
L=1.0μF
Output Current
C
L無し
Ta=25℃,tr=tf=5μs
CIN=0.1μF (ceramic)
Without CL
ETR0337-003


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