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PDF XC6221 Data sheet ( Hoja de datos )
| Número de pieza | XC6221 | |
| Descripción | Low ESR Caps Compatible High Speed LDO Voltage Regulators | |
| Fabricantes | Torex Semiconductor | |
| Logotipo |  |
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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
1 page  
XC6221
Series
ELECTRICAL CHARACTERISTICS
XC6221A/B/C/D series
Ta=25
PARAMETER
Output Voltage
(Standard)
SYMBOL
VOUT(E)
(* 2)
CONDITIONS
MIN.
1.50V<VOUT(T), VCE=VIN, IOUT=10mA
x 0.98
(*3)
VOUT(T)<1.45V, VCE=VIN, IOUT=10mA
-0.03
(*3)
TYP.
VOUT(T)
(*4)
MAX.
x 1.02
(*3)
+0.03
(*3)
UNITS CIRCUIT
V
Output Voltage
(High Accuracy)
VOUT(E)
(* 2)
2.00V<VOUT(T), VCE=VIN, IOUT=10mA
x 0.99
(*3)
VOUT(T)<1.95V, VCE=VIN, IOUT=10mA
-0.02
(*3)
VOUT(T)
(*4)
x 1.01
(*3)
+0.02
(*3)
V
Output Current
Load Regulation
Dropout Voltage (*5)
IOUTMAX
VOUT
Vdif
VCE=VIN,VIN=VOUT(T)+1.0V,
0.80V<VOUT(T)<5.00V
VCE=VIN,0.1mA IOUT 100mA
VCE=VIN, IOUT=100mA
200 250
-
- 10 40
Refer to the voltage chart
mA
mV
mV
Supply Current
IDD
VCE=VIN VIN= VOUT(T)+1.0V
- 25 50
A
Standby Current
ISTB
VIN=6.0V, VCE=VSS
Line Regulation
VOUT(T)+0.5V VIN 6.0V
VOUT / 1.10V VOUT(T), VCE=VIN, IOUT=10mA
( VIN VOUT)
1.6V VIN 6.0V
VOUT(T) 1.05V, VCE=VIN, IOUT=10mA
Input Voltage
VIN
Output Voltage
VOUT /
Temperature Characteristics ( Topr VOUT)
VCE=VIN,
IOUT=30mA, -40 <Topr<85
Ripple Rejection Rate
PSRR
VIN=5.75VDC+0.5Vp-pAC
4.75V VOUT(T)
VCE=VIN, IOUT=30mA, f=1kHz
VIN= VOUT(T)+1.0 VDC+0.5Vp-pAC
4.05V VOUT(T) 4.70V
VCE=VIN, IOUT=30mA, f=1kHz
VIN= VOUT(T)+1.0 VDC+0.5Vp-pAC
0.85V VOUT(T) 4.00V
VCE=VIN, IOUT=30mA, f=1kHz
VIN=1.85VDC+0.5Vp-pAC
VOUT(T)=0.80V
VCE=VIN, IOUT=30mA, f=1kHz
Limit Current
ILIM
VCE=VIN
Short Current
ISHORT
VCE=VIN, VOUT is short-circuited at
the VSS level
CE High Level Voltage
VCEH
CE Low Level Voltage
VCEL
CE High Level Current
CE Low Level Current
CL Auto-Discharge Resistance
(* 8)
ICEH
ICEL
RDCHG
VCE=VIN (XC6221A/B)
VCE=6.0V (XC6221C/D)
VCE=VSS
VIN=6.0V, VOUT=4.0V, VCE=VSS
-
-
1.6
-
-
200
-
1.2
-
-0.1
1.03
-0.1
-
0.01 0.10
A
0.01 0.20 %/V
- 6.0 V
100 - ppm/
60
- dB
70
250 - mA
30 - mA
- 6.0
- 0.3
- 0.1
- 2.37
- 0.1
780 -
V
V
A
A
NOTE:
* 1: Unless otherwise stated regarding input voltage conditions, VIN=VOUT(T) 1.0V.
* 2: VOUT (E) = Effective output voltage
(The output voltage when an amply stabilized "VOUT (T) 1.0V" is provided at the VIN pin while maintaining a certain IOUT value.)
* 3: The relation between VOU T (E) and VOUT (T) is shown in the voltage chart E-0 and E-1.
*
*
4:
5:
VOUT
Vdif
=(T){=VINN1o(*m7)-iVnaOUl To1u(*t6p)}ut
voltage
* 6: VOUT1 is the voltage equal to 98% of the normal output voltage when amply stabilized VOUT (T) +1.0V are input at the VIN pin.
* 7: VIN1 is the input voltage when VOUT1 appears at the VOUT pin while input voltage is gradually decreased.
* 8: For the XC6221B/D series only. The XC6221A/C series discharges by resistors R1 and R2 only as shown in the block diagrams.
* 9: For operating supply current of the XC6221C/D, a current through the pull-down resistor should be considered in addition to the
supply current value mentioned above.
5/28
5 Page 
TEST CIRCUITS (Continued)
Circuit 4: CE “H” “L” Level Voltage, CE “H” “L” Level Current
XC6221
Series
11/28
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet XC6221.PDF ] | |
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