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Torex Semiconductor
Torex Semiconductor

XC6221 Datasheet Preview

XC6221 Datasheet

Low ESR Caps Compatible High Speed LDO Voltage Regulators

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XC6221 pdf
XC6221 Series
ETR0328_015
GENERAL DESCRIPTION
The XC6221 series is a high accuracy, low noise, high speed, low dropout CMOS regulator with high ripple rejection. The series
includes a reference voltage source, an error amplifier, a current limiter, and a phase compensation circuit.
The CE function enables the entire circuit to be in stand-by state by inputting low level signal. As for the XC6221B/D stand-by
mode, the electric charge at the output capacitor (CL) will be discharged by the internal auto-discharge switch, and as a result
the VOUT pin quickly returns to the VSS level. The output stabilization capacitor (CL) is also compatible with low ESR ceramic
capacitors.
Output voltage is selectable in 0.05V increments within a range of 0.80V~5.00V, using the laser trimming technology set in
factory.
The current limiter's fold-back circuit also operates as a short circuit protection and an output current limiter at the output pin.
The series achieves a fast response with only 25 A of low power consumption. Also the series has low dropout voltage
characteristics, which is 80mV at IOUT=100mA and VOUT=3.0V.
With the use of small USP-4 and ultra small USPN-4 packages, a small footprint circuit can be designed.
APPLICATIONS
Smart phones / Mobile phones
Portable game consoles
Digital still cameras / Camcorders
Digital audio equipments
Mobile devices / terminals
TYPICAL APPLICATION CIRCUIT
FEATURES
Maximum Output Current
Dropout Voltage
Operating Voltage Range
Output Voltage Range
Accuracy
Low Power Consumption
Stand-by Current
High Ripple Rejection
CE Function
Low ESR Capacitor
: 200mA <Up to 250mA (TYP.)>
: 80mV@ IOUT=100mA,VOUT=3.0V
: 1.6V ~ 6.0V
: 0.80V~5.00V (0.05V increments)
: +2% (VOUT >1.50V) (Standard)
+30mV (VOUT 1.45V) (Standard)
+1% (VOUT >2.00V) (High Accuracy)
+20mV (VOUT 1.95V) (High Accuracy)
: 25 A (TYP.)
: Less than 0.1 A
: 70dB @ 1kHz
: CE Active High
Standby current below 0.1 A
CL High-Speed Auto-Discharge
(XC6221B/D)
CE Pin internally pulled-down
(XC6221C/D)
: 1.0 F ceramic capacitor
Low Output Noise
Operating Ambient Temperature : -40 ~+85
Packages
: USP-4, SOT-25, SSOT-24
USPN-4
Environmentally Friendly : EU RoHS Compliant, Pb Free
TYPICAL PERFORMANCE
CHARACTERISTICS
Load Transient Response
1/28



Torex Semiconductor
Torex Semiconductor

XC6221 Datasheet Preview

XC6221 Datasheet

Low ESR Caps Compatible High Speed LDO Voltage Regulators

No Preview Available !

XC6221 pdf
XC6221 Series
PIN CONFIGURATION
USP-4
(BOTTOM VIEW)
SOT-25
(TOP VIEW)
SSOT-24
(TOP VIEW)
USPN-4
(BOTTOM VIEW)
*It is recommended that the heat dissipation pad of the USP-4
package is soldered by using the reference mount pattern and
metal mask pattern for mounting strength. The mount pattern
should be electrically opened or connected to the VSS (No.2)
pin.
PIN ASSIGNMENT
USP-4
4
1
2
3
-
PIN NUMBER
SOT-25 SSOT-24
14
53
22
31
4-
USPN-4
4
1
2
3
-
PIN NAME
VIN
VOUT
VSS
CE
NC
FUNCTIONS
Power Input
Output
Ground
ON/OFF Control
No Connection
CE PIN LOGIC CONDITION
PIN NAME
DESIGNATOR
CE H
L
* VCE CE pin voltage
CONDITIONS
1.2V VCE 6.0V
VCE 0.3V
2/28


Part Number XC6221
Description Low ESR Caps Compatible High Speed LDO Voltage Regulators
Maker Torex Semiconductor
Total Page 28 Pages
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