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PDF XC6207 Data sheet ( Hoja de datos )
| Número de pieza | XC6207 | |
| Descripción | LDO Voltage Regulators | |
| Fabricantes | Torex Semiconductor | |
| Logotipo |  |
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ETR0316_006
GENERAL DESCRIPTION
GreenOperation-Compatible
The XC6207 series are precise, low noise, high speed, and 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 0.05V 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
Smart phones / Mobile phones
Portable game consoles
Digital still cameras / Camcorders
Digital audio equipment
Mobile devices / terminals
FEATURES
Maximum Output Current : 300mA (Up to 380mA (TYP.))
Dropout Voltage
: 40mV@ IOUT=30mA
: 120mV@ IOUT=100mA
Operating Voltage Range : 2.0V ~ 6.0V
Output Voltage Setting Range : 1.2V ~ 5.0V (0.05V increments)
Accuracy
: ±2% (HS Mode: VOUT >1.5V)
2%, - 3% (PS Mode: VOUT >1.5V)
±30mV (HS Mode: VOUT 1.5V)
+30mV, - 45mV (HS Mode: VOUT 1.5V)
Low Power Consumption : 5.5 A (TYP.) (PS Mode)
50 A (TYP.) (HS Mode)
Stand-by Current
: Less than 0.1 A
High Ripple Rejection : 70dB @ 1kHz
Operating Temperature Range : - 40 ~ 85
Low ESR Capacitor
: Ceramic capacitor compatible
CMOS
Low Output Noise
Green Operation (GO) Function
CL High-Speed Auto-Discharge (XC6207B)
Packages
: SOT-89-5, SOT-25, USP-6C
Environmentally Friendly : EU RoHS Compliant, Pb Free
TYPICAL APPLICATION CIRCUIT
TYPICAL PERFORMANCE
CHARACTERISTICS
Supply Current vs. Output Current
XC6207A182xx
1/33
1 page  
XC6207
Series
ELECTRICAL CHARACTERISTICS
XC6207A/B series
PARAMETER
SYMBOL
CONDITIONS
MIN.
Output Voltage
Maximum Output Current
Load Regulation
Dropout Voltage (* 4)
Supply Current 1
Supply Current 2
Stand-by Current
Line Regulation
1.2V VOUT(T) 4.5V
Line Regulation
4.5V VOUT(T) 5.0V
Input Voltage
Output Voltage
Temperature Characteristics
Ripple Rejection Rate
1.2V VOUT(T) 1.25V
Ripple Rejection Rate
1.25V VOUT(T) 4.75V
Ripple Rejection Rate
4.75V VOUT(T) 5.0V
Limit Current
Short Current
PS Switching Current
HS Switching Current
VGO=VIN, VCE=VIN,
VOUT(E)
(* 3)
IOUT=10mA: High Speed (HS) mode
VGO=VSS, VCE=VIN,
IOUT=0.1mA: Power Save (PS) mode
IOUTMAX
VCE=VIN
VOUT
VGO=VIN (HS mode), VCE=VIN,
1mA IOUT 100mA
Vdif1
VGO=VIN, (HS mode), VCE=VIN,
IOUT=30mA
Vdif2
VGO= VIN (HS mode), VCE=VIN,
IOUT=100mA
ISS1
VGO=VIN (HS mode),
VIN=VCE=6.0V, No load
ISS2
VGO=VSS (PS mode),
VIN=VCE=6.0V, No load
ISTBY
VIN=6.0V, VCE=VSS
VGO=VIN (HS mode),
VOUT
VIN VOUT
VOUT(T)+1.0V<VIN<6.0V,
VCE=VIN, IOUT=30mA
VGO=VIN (HS mode),
5.5V<VIN<6.0V,
VCE=VIN, IOUT=30mA
VIN -
VOUT
VGO=VIN (HS mode),
Ta VOUT - 40 <Ta<85 , VCE=VIN, IOUT=30mA
VGO= VIN (HS mode), VCE=VIN,
IOUT=30mA,
VIN=2.25VDC+0.5Vp-pAC, f=1kHz
VGO= VIN (HS mode), VCE=VIN,
PSRR
IOUT=30mA,
VIN={VOUT(T)+1.0V}VDC+0.5Vp-pAC,
f=1kHz
VGO= VIN (HS mode), VCE=VIN,
IOUT=30mA,
VIN=5.75VDC+0.5Vp-pAC, f=1kHz
Ilim VGO=VIN (HS mode), VCE=VIN
Ishort
VGO=VIN (HS mode), VCE=VIN
VOUT is short-circuited at the VSS level.
VCE=VIN, VGO=VSS,
IGOR
(HS/PS automatic switching)
IOUT: heavy to light load
VCE=VIN, VGO=VSS,
IGO (HS/PS automatic switching)
IOUT: light to heavy load
(*9)
(*9)
300
-
35
-
-
-
2.0
-
-
300
-
0.3
-
Ta=25
TYP. MAX. UNITS CIRCUIT
E-0 (*9)
E-1 (*9)
V
- - mA
15 60 mV
E-2
mV
E-3
50 80
A
5.5 8.0
0 0.1
A
A
0.01 0.20 %/V
- 6.0 V
100 - ppm/
70 - dB
380 -
50 -
--
mA
mA
mA
- 2.0 mA
5/33
5 Page 
XC6207
Series
OPERATIONAL EXPLANATION (Continued)
<CL Auto-Discharge Function>
XC6207B series can quickly discharge the electric charge at the output capacitor (CL), when a low signal to the CE pin,
which enables a whole IC circuit put into OFF state, is inputted via the N-channel transistor located between the VOUT pin
and the VSS pin (cf. BLOCK DIAGRAM). In this state, the application is protected from a glitch operation caused by the
electric charge at the output capacitor (CL). The CL auto- discharge resistance at this time depends on the input
voltage. Moreover, discharge time of the output capacitor (CL) is set by the CL auto-discharge resistance (R) and the
output capacitor (CL). By setting time constant of a CL auto-discharge resistance value [R] and an output capacitor value
(CL) as ( =C x R), the output voltage after discharge via the N channel transistor is calculated by the following
formulas.
V = VOUT x e –t/ , or t= In (VOUT / V)
( V : Output voltage after discharge, VOUT(E): Output voltage, t: Discharge time,
: CL auto-discharge resistance R Output capacitor (CL) value C)
Ta=25OC
INPUT VOLTAGE CL AUTO-DISCHARGE RESISTANCE
2.0V
750 (TYP.)
3.0V
550 (TYP.)
4.0V
500 (TYP.)
5.0V
480 (TYP.)
6.0V
470 (TYP.)
(ex.) When input voltage: 4.0V, CL auto-discharge resistance: 500 (TYP.); output capacitor (CL): 10 F, VOUT:3.0V,
CE voltage=Changing from 4.0V to 0V (The CE pin L level signal)
1 (500 s) after CE OFF signal is inputted, VOUT(E) becomes: 3.0V 0.368 = approx. 1.104V
2 (1000 s) after CE OFF signal is inputted, VOUT(E) becomes: 3.0V 0.135 = approx. 0.405V
3 (1500 s) after CE OFF signal is inputted, VOUT(E) becomes: 3.0V 0.050 = approx. 0.150V
4 (2000 s) after CE OFF signal is inputted, VOUT(E) becomes: 3.0V 0.018 = approx. 0.055V
11/33
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet XC6207.PDF ] | |
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