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PDF XC6217 Data sheet ( Hoja de datos )
| Número de pieza | XC6217 | |
| Descripción | HIGH SPEED GREEN OPERATION LDO VOLTAGE REGULATORS | |
| Fabricantes | Torex Semiconductor | |
| Logotipo |  |
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◆Regulators with Green Operation (GO) Function ■APPLICATIONS
◆Output Voltage Range: 0.8V ~ 4.0V
●Cellular phones
◆Output Current: 200mA <Up to 250mA (TYP.)>
◆Low ESR Capacitor Compatible
◆High Ripple Rejection, Low Output Noise
●Cordless phones
●Wireless communication equipment
●Portable games
●Cameras, VCRs
◆CL High-Speed Auto-Discharge (XC6217B/D) ●Portable AV equipment
◆Ultra Small Package: USP-4D
●PDAs
■GENERAL DESCRIPTION
The XC6217 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.
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. 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
XC6217B/D 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 series' output
stabilization capacitor (CL) is also compatible with low ESR
ceramic capacitors.
Output voltage is selectable in 50mV increments within a range
of 0.8V~4.0V, using laser trimming technologies.
The current limiter's foldback circuit also operates as a short
circuit protection for the output current limiter and the output
pin.
■TYPICAL APPLICATION CIRCUIT
VIN VOUT
Input
CIN
1uF
(Ceramic)
CE
Input
GO
VSS
CL
1uF
(Ceramic)
XC6217 ETR0322_010
■FEATURES
Output Current
: 200mA <Up to 250mA (TYP.)>
Dropout Voltage
: 80mV@ IOUT=100mA,
VOUT(T)=3.0V
Operating Voltage Range : 1.6V ~ 6.0V (0.8V≦VOUT(T)≦1.55V
: 1.8V ~ 6.0V (1.6V≦VOUT(T)≦4.0V
Output Voltage
: 0.8V~4.0V (50mV increments)
Setting Range
Accuracy
: +2% (HS: VOUT >2.0V)
+30mV (HS: VOUT≦1.95V)
+2.5%, -3.5% (PS: VOUT >2.6V)
+3.5%, -4.5% (PS:1.6≦VOUT≦2.55V)
+70mV, -90mV (PS:0.8≦VOUT≦1.55V)
Low Power Consumption : 4.5μA (TYP.) when PS mode
25μA (TYP.) when HS mode
Standby Current
: Less than 0.1μA
High Ripple Rejection : 70dB @ 1kHz (When HS mode)
Operating Temperature : -40℃~85℃
Range
Low ESR Capacitor
: 1.0μF Ceramic capacitor
compatible
Ultra Small Packages : USP-4D, SOT-25,
■ TYPICAL PERFORMANCE
CHARACTERISTICS
2.9
2.85
2.8
2.75
2.7
2.65
2.6
2.55
2.5
IOUT=0.1mA
2.45
2.4
XC6217B281MR
VIN=3.8V,Tr=Tf=5usec, Ta=25℃
CIN=CL=1.0uF(Ceramic) 3
VOUT_HSmode
2.95
2.9
VOUT_GOmode
2.85
2.8
2.75
2.7
Output Current IOUT=50mA
IOUT=0.1mA
2.65
2.6
2.55
Time (500usec/div)
2.5
1/30
1 page  
■PACKAGING INFORMATION
●USP-4D
1. 2±0. 08
43
AA
AA
12
.
●SOT-25 (SOT-23-5)
0. 3±0. 05
12
(R 0. 05)
43
1. 0±0. 1
(0. 6)
* Soldering f illet surf ace is not f ormed
because the sides of the pins are plated.
●SSOT-24
2.0+0.2
3 - 0.25
+0.05
-0.1
43
12
+0.05
0.35 -0.1
1.3+0.2
0
+0.1
-0
+0.1
0.125 --0.05
.
.
XC6217
Series
5/30
5 Page 
■ELECTRICAL CHARACTERISTICS (Continued)
XC6217
Series
●XC6217A/B series (Continued)
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
Ta=25℃
MAX. UNITS CIRCUIT
PS Switching Current
IGOR
VCE=VIN, VGO=VSS (GO mode),
IOUT: heavy to light load
0.5
-
- mA 4
HS Switching Current
Switch Current Hysteresis
Range
PS Switching Delay Time
IGO
IGOhys
TDPS
VCE=VIN, VGO=VSS (GO mode),
IOUT: light to heavy load
IGOhys=IGO- IGOR
VIN=CE=VOUT(T)+1.0V,
VGO=VSS (GO mode),
Time until HS mode is changed-over
to PS mode by IGOR
-
-
- 8.0 mA
3.5 - mA
4
4
E-5 μsec 4
CE High Level Voltage
VCEH
1.2 - 6.0 V
4
GO High Level Voltage
VGOH
VCE=VIN, ISS Search, IOUT=0mA
1.2
-
6.0 V
4
CE Low Level Voltage
VCEL
-
- 0.3 V
4
GO Low Level Voltage
VGOL
VCE=VIN, ISS Search, IOUT=0mA
-
- 0.3 V
4
CE High Level Current
ICEH
VGO=VIN, VCE=VIN
-0.1 - 0.1 μA 4
GO High Level Current
IGOH
VGO=VIN, VCE=VIN
-0.1 - 0.1 μA 4
CE Low Level Current
ICEL
VCE=VSS, VGO=VSS
-0.1 - 0.1 μA 4
GO Low Level Current
CL Auto-Discharge
Resistance (* 8)
IGOL
Rdischg
VCE=VSS, VGO=VSS
VIN=6.0V, VOUT(T)=4.0V,
VCE=VGO=VSS
-0.1 - 0.1 μA
- 780 - Ω
4
1
NOTE:
* 1: Unless otherwise stated regarding input voltage conditions, VIN=VOUT(T)＋1.0V.
* 2: VOUT (E) = Effective output voltage (Refer to the voltage chart E-0 to E-3)
(I.e. the output voltage when HS mode and an amply stabilized "VOUT (T)＋1.0V" is provided at the VIN pin while maintaining a
certain IOUT value.)
* 3: The rated value of the setting output voltage VOUT(E) is shown in voltage chart E-0 to E-3)
For the 1% accuracy products, please contact Torex sales person.
* 4: VOUT (T) = Specified output voltage
* 5: Vdif={VIN1(*7)-VOUT1(*6)}
* 6: VOUT1=A voltage equal to 98% of the output voltage whenever an amply stabilized IOUT {VOUT(T)+1.0V} is input in the HS mode.
* 7: VIN1=The input voltage when VOUT1 appears as input voltage is gradually decreased.
* 8: For the XC6217B series only. The XC6217A series discharges by resistors R1 and R2 only as shown in the block diagrams.
11/30
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet XC6217.PDF ] | |
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