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PDF XC6214 Data sheet ( Hoja de datos )
| Número de pieza | XC6214 | |
| Descripción | CMOS Low Power Consumption | |
| Fabricantes | Torex Semiconductor | |
| Logotipo |  |
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◆CMOS Low Power Consumption : 8μA (TYP.)
◆Maximum Output Current : More than 500mA
◆Current Limit Circuit Built-In
◆Thermal Shutdown Circuit Built-In
◆Ceramic Capacitor Compatible
◆SOT-89-, SOT-26 Packages
■APPLICATIONS
●DVD, CD-ROM, HDD drive equipment
●Portable AV equipment (Cameras, VCRs, etc.)
●Wireless Communication equipment
(Mobile & Cordless phone, etc.)
●Desktop computers, Note book computer, PDAs
●Network equipment (Wireless LAN etc.)
●Reference voltage
●Battery powered equipment
■GENERAL DESCRIPTION
The XC6214 series are highly precise, low noise, high current,
positive voltage low dropout regulators. They are fabricated
using Torex’s CMOS process. The series features a voltage
reference, an error amplifier, a current limiter, a thermal
protection circuit, and a phase compensation circuit plus a
driver transistor.
The output voltage is selectable in 100mV increments within the
range of 1.5V to 5.0V. (Output voltage 1.5V, 1.8V, 2.5V, 3.0V
and 3.3V are standard products. Other than these voltages
arewww.DataSheet4U.com available as semi-custom products.)
The series is also compatible with low ESR ceramic capacitors,
which give added output stability. This stability can be
maintained even during load fluctuations due to the excellent
transient response of the series.
The over current protection circuit and the thermal shutdown
circuit are built in. The over current protection circuit will
operate when the output current reaches current limit level.
The thermal shutdown circuit will operate when the junction
temperature reaches temperature limit level.
■FEATURES
Maximum Output Current
Dropout Voltage
Operating Voltage Range
Output Voltage
High Accuracy
Low Power Consumption
Ripple Rejection Rate
Operating Temperature
Range
Packages
: More than 500mA
(800mA limit)
: 500mV @ IOUT = 500mA
(VOUT=3.3V)
: 1.8V ~ 6.0V
: 1.5V, 1.8V, 2.5V, 3.0V, 3.3V
(standard)
Other voltages between 1.5V to
5.0V (semi-custom)
: Setting voltage accuracy ±2%
: 8μA (TYP.)
: 40dB @ 1kHz
: - 40℃ ~ 85℃
: SOT-26
SOT-89
■TYPICAL APPLICATION CIRCUIT
VIN VOUT
VIN CIN VSS
1.0uF
CL
1.0uF
RL
XC6214 ETR0318_005
■TYPICAL PERFORMANCE
CHARACTERISTICS
○Dropout Voltage vs. Output Current
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
XC6214P332
CIN=CL=1.0µF( c er amic )
Topr=85oC
25oC
-40oC
100 200 300 400
Output Current : IOUT (mA )
500
1/23
1 page  
XC6214
Series
■MARKING RULE (Continued)
●SOT-26
①Represents product series
MARK
D
PRODUCT SERIES
XC6214Pxx2xx
SOT-26
(TOP VIEW)
②Represents output voltage range
MARK
VOLTAGE (V)
P 1.5 ~ 3.0
R 3.1 ~ 5.0
③Represents output voltage
MARK
VOLTAGE (V)
0 - 3.1
1 - 3.2
2 - 3.3
3 - 3.4
4 - 3.5
5 - 3.6
6 - 3.7
7 - 3.8
8 - 3.9
9 - 4.0
A - 4.1
B - 4.2
C - 4.3
D - 4.4
E 1.5 4.5
PRODUCT SERIES
XC6214Pxx2xx
XC6214Pxx2xx
MARK
F
H
K
L
M
N
P
R
S
T
U
V
W
Y
Z
VOLTAGE (V)
1.6 4.6
1.7 4.7
1.8 4.8
1.9 4.9
2.0 5.0
2.1 -
2.2 -
2.3 -
2.4 -
2.5 -
2.6 -
2.7 -
2.8 -
2.9 -
3.0 -
④Represents production lot number
0 to 9, A to Z repeated (G, I, J, O, Q, W excepted).
Note: No character inversion used.
a, b, c, d Represents production year
MARK
abcd
- -□-
- - -□
□-
-□
-
-
-
-
PRODUCTION YEAR
2004
2005
2006
2007
*Markings of the year 2004 to 2007 are repeated from 2008.
ex.) 2004→2008, 2005→2009, 2006→2010, 2007→2011.
e, f, g, h Represents production month
MARK
efg
□- -
-□-
□□ -
- -□
□-□
- □□
h
-
-
-
-
-
-
PRODUCTION
MONTH
January
February
March
April
May
June
MARK
e f gh
□□□ -
- - -□
□- -□
-□-□
□□ - □
- - □□
PRODUCTION
MONTH
July
August
September
October
November
December
5/23
5 Page 
XC6214
Series
■OPERATIONAL EXPLANATION
<Output Voltage Regulator Control>
The voltage, divided by resistors R1 & R2, which are connected to the VOUT pin is compared with the internal reference
voltage by the error amplifier. The P-channel MOSFET, which is connected to the VOUT pin, is then driven by the
subsequent output signal. The output voltage at the VOUT pin is controlled & stabilized by negative feedback. The
current limit circuit and over current protection operate in relation to the level of output current and heat.
VIN VOUT
Current Limit
S Thermal
Shutdown
Voltage
Reference
+
-
S
VSS
<Low ESR Capacitors>
With the XC6214 series regulator, a stable output voltage is achievable even if low ESR capacitors are used, as a phase
compensation circuit is built-in to the regulator. In order to ensure the stability of the load transient response and line
transient response, we suggest that an output capacitor (CL) be connected as close as possible, between the output pin
(VOUT) and the VSS pin. Please use an output capacitor (CL) with a capacitance more than 0.1μF. We also suggest an
input capacitor (CIN) of 0.1μF: this should be connected between VIN and VSS in order to stabilize input power source.
<Current Limiter, Short-Circuit Protection>
The XC6214 series regulator offers a combination of current limit and circuit protection by means of a built-in fixed
current limiter circuit and a foldback circuit. When the output pin is shorted, a current of about 50mA flows.
<Thermal Shutdown>
When the junction temperature of the built-in driver transistor reaches the temperature limit level (150℃ TYP.), the
thermal shutdown circuit operates and the driver transistor will be set to OFF. The thermal shutdown function will be
released (automatically recovered) when the junction temperature decreases to the thermal shutdown release
temperature level (125℃ TYP.) and the IC re-starts the operation.
■NOTES ON USE
1. Please use this IC within the stated absolute maximum ratings. The IC is liable to malfunction should the ratings be
exceeded.
2. Where wiring impedance is high, operations may become unstable due to noise and/or phase lag depending on output
current. Please strengthen VIN and VSS wiring in particular.
3. Please wire the input capacitor (CIN) and the output capacitor (CL) as close to the IC as possible.
4. Output voltage may increase when the IC is used at light load current (around 0 to 2uA) depending on temperature
conditions, etc.
11/23
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet XC6214.PDF ] | |
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