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PDF XC6402 Data sheet ( Hoja de datos )
| Número de pieza | XC6402 | |
| Descripción | High Current/ High Speed LDO Regulators/ Voltage Detector Function | |
| Fabricantes | Torex Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XC6402 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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XC6402 Series
High Current, High Speed LDO Regulators, Voltage Detector Function
October 20, 2003 Ver. 2
! Low Power Consumption
! Maximum Output Current
! Dropout Voltage
: 35µA (TYP.)
: more than 700mA (800mA limit)
: 50mV @ 100mA
! Operating Voltage Range
! VR Output Voltage Range
: 100mV @ 200mA
: 1.5V ~ 6.0V
: 0.8V ~ 5.0V
VD Output Voltage Range : 0.8V ~ 5.0V
! Low ESR capacitor compatible
! APPLICATIONS
" CD-ROM, CD-R / RW drive
" DVD drive
" HDD drive
" Cameras, Video recorders
" Portable AV equipment
" Battery powered equipment
! GENERAL DESCRIPTION
The XC6402 series are precise, low noise, high current, positive voltage
low dropout regulators with built-in voltage detector. They are fabricated
using Torex’s CMOS process. The series features a voltage reference,
an error amplifier, a current limiter, a voltage detector and a phase
compensation circuit plus a driver transistor.
The output voltage of the LDO and detect voltage of the detector is
selectable in 50mV increments within the range of 0.8V to 5.0V.
With a low ON resistance driver transistor built-in, batteries can be used
until input-output voltage differential is minimal and can accordingly be
used for a longer time.
The series is also compatible with low ESR ceramic capacitors which
give added output stability.
The series provides options to the user to select from a variety of circuit
features, such as detector monitoring, detector output logic, EN pin input
logic, and internal pull-up / down resistance (semi-custom).
The IC's internal regulator circuit can be placed in stand-by mode via the
EN function (XC6402C series). In the stand-by mode, power
consumption is greatly reduced.
The XC6402F series offers the option of a delay on the detector output:
the delay time can be controlled by the use of an external capacitor.
! FEATURES
Maximum Output Current
: more than 700mA (800mA limit)
Dropout Voltage
Maximum Operating Voltage
(1.6V<VROUT(T)<5.0V)
: 50mV @IOUT=100mA
: 1.5V ~ 6.0V
VR Output Voltage Range
: 0.8V ~ 5.0V (50mV step)
VD Output Voltage Range
: 0.8V ~ 5.0V (50mV step)
When monitoring VIN : more than 1.5V
Highly Accurate
Low Power Consumption
High Ripple Rejection
: ± 2%
: 35µA (TYP.)
: 60dB (@1kHz)
Operational Ambient Temperature: : - 40 ~ 85OC
Low ESR Capacitor Compatible
: Ceramic capacitor
Ultra Small Packages
: SOT-25 (SOT-23-5)
: SOT-89-5
: USP-6B
* VD: Voltage Detector
! TYPICAL APPLICATIONS CIRCUITS
# XC6402C Series
CIN
1uF
1 VIN EN 5
2 VSS
VROUT
3 VDOUT 4
CL
1uF
Rpull-up
220K
# XC6402F Series
CIN
1uF
1 VIN EN 5
2 VSS
VROUT
3 VDOUT 4
CL
1uF
Rpull-up
220K
Data Sheet
! TYPICAL PERFORMANCE CHARACTERISTICS
# Dropout Voltage vs. VR Output Current
XC6402 Series (VR : 3.0V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
CIN=1uF(ceramic), CL=1.0uF(ceramic)
- 40OC
- 25OC
- 85OC
100 200 300 400 500
VR Output Current IROUT (mA)
600
700
Semiconductor Ltd.
1
1 page  
XC6402 Series
High Current, High Speed LDO Regulators, Voltage Detector Function
! BLOCK DIAGRAM
Optional:
Active HIGH with Pull-down R
Active HIGH with no Pull-down R
Active LOW with Pull-up R
Active LOW with no Pull-up R
EN
VDOUT
Optional:
Detect H
Detect L
ON / OFF
Control
VR Circuit
Current
Limit
Error Amp.
CFB
Voltage
Reference
Comp. VD
R3
R4
XC6402C Series
VIN
Optional:
VIN SENSE
VROUT SENSE
VROUT
R1
R2
VSS
Optional:
Detect H
Detect L
Cd
VDOUT
Rdelay
Current
Limit
Error Amp.
CFB
Voltage
Reference
R1
R2
Comp. VD
R3
R4
XC6402F Series
VIN
Optional:
VIN SENSE
VROUT SENSE
VROUT
VSS
Data Sheet
5
Semiconductor Ltd.
5 Page 
XC6402 Series
High Current, High Speed LDO Regulators, Voltage Detector Function
! XC6402F SERIES DROPOUT VOLTAGE
SETTING
OUTPUT
VOLTAGE
(V)
VROUT(T)
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.65
2.70
2.75
2.80
2.85
2.90
2.95
VR OUTPUT VOLTAGE
VD DETECT VOLTAGE
(V)
VOUT
MIN.
MAX.
0.770
0.830
0.820
0.880
0.870
0.930
0.920
0.980
0.970
1.030
1.020
1.080
1.070
1.130
1.120
1.180
1.170
1.230
1.220
1.280
1.270
1.330
1.320
1.380
1.370
1.430
1.420
1.480
1.470
1.530
1.519
1.581
1.568
1.632
1.617
1.683
1.666
1.734
1.715
1.785
1.764
1.836
1.813
1.887
1.862
1.938
1.911
1.989
1.960
2.040
2.009
2.091
2.058
2.142
2.107
2.193
2.156
2.244
2.205
2.295
2.254
2.346
2.303
2.397
2.352
2.448
2.401
2.499
2.450
2.550
2.499
2.601
2.548
2.652
2.597
2.703
2.646
2.754
2.695
2.805
2.744
2.856
2.793
2.907
2.842
2.958
2.891
3.009
E-1
DROPOUT VOLTAGE 1
(mV)
Vdif1
TYP.
MAX.
700
100
600
500
50
400
300
30 200
100
27.0 41.0
25.0 37.0
18.0 28.0
E-2
DROPOUT VOLTAGE 2
(mV)
Vdif2
TYP.
MAX.
800
250
700
600
150
500
400
100 300
250
90.0 135.0
80.0 120.0
60.0 90.0
Data Sheet
11
Semiconductor Ltd.
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet XC6402.PDF ] | |
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