XC6402 Torex Semiconductor, XC6402 Datasheet

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XC6402

Manufacturer Part Number
XC6402
Description
High Current/ High Speed LDO Regulators/ Voltage Detector Function
Manufacturer
Torex Semiconductor
Datasheet

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XC6402 Series
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High Current, High Speed LDO Regulators, Voltage Detector Function
Low Power Consumption
Maximum Output Current
Dropout Voltage
Operating Voltage Range
VR Output Voltage Range
VD Output Voltage Range
Low ESR capacitor compatible
GENERAL DESCRIPTION
TYPICAL APPLICATIONS CIRCUITS
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.
#
#
XC6402C Series
XC6402F Series
Data Sheet
CIN
1uF
CIN
1uF
1uF
CL
1
2
3
1uF
CL
1
2
3
V
V
VR
IN
SS
V
V
VR
OUT
IN
SS
VD
OUT
VD
OUT
EN
: 35µA (TYP.)
: more than 700mA (800mA limit)
: 50mV @ 100mA
: 100mV @ 200mA
: 1.5V ~ 6.0V
: 0.8V ~ 5.0V
: 0.8V ~ 5.0V
OUT
EN
5
4
5
4
Rpull-up
220K
Rpull-up
220K
1
!
!
Maximum Output Current
Dropout Voltage
Maximum Operating Voltage
VR Output Voltage Range
VD Output Voltage Range
Highly Accurate
Low Power Consumption
High Ripple Rejection
Operational Ambient Temperature:
Low ESR Capacitor Compatible
Ultra Small Packages
APPLICATIONS
FEATURES
"
"
"
"
"
"
!
CD-ROM, CD-R / RW drive
DVD drive
HDD drive
Cameras, Video recorders
Portable AV equipment
Battery powered equipment
TYPICAL PERFORMANCE CHARACTERISTICS
# Dropout Voltage vs. VR Output Current
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
When monitoring VIN : more than 1.5V
100
VR Output Current IROUT (mA)
XC6402 Series (VR : 3.0V)
200
CIN=1uF(ceramic), CL=1.0uF(ceramic)
300
: more than 700mA (800mA limit)
: 50mV @IOUT=100mA
: 1.5V ~ 6.0V
: 0.8V ~ 5.0V (50mV step)
: 0.8V ~ 5.0V (50mV step)
: ± 2%
: 35µA (TYP.)
: 60dB (@1kHz)
: - 40 ~ 85
: Ceramic capacitor
: SOT-25 (SOT-23-5)
: SOT-89-5
: USP-6B
(1.6V<VROUT(T)<5.0V)
400
O
500
C
- 40
- 25
- 85
* VD: Voltage Detector
600
O
O
O
C
C
C
Semiconductor Ltd.
October 20, 2003 Ver. 2
700

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XC6402 Summary of contents

Page 1

... 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. ! ...

Page 2

... XC6402 * Active Low with no pull-up resistance 2. VD Sense as option SERIES XC6402 * XC6402 * Output Logic as option SERIES XC6402 * XC6402 * Data Sheet ...

Page 3

... XC6402 Series High Current, High Speed LDO Regulators, Voltage Detector Function ! ORDERING INFORMATION 123456 XC6402 PIN NUMBER Denotes Optional Functions : Function Pin Denotes Types : the chart below. Internally set sequential number relating to output voltage and detect voltage Setting Output Voltage Range : 0.8V ~ 5.0V Detect Voltage Setting Range : 0 ...

Page 4

... XC6402 Series High Current, High Speed LDO Regulators, Voltage Detector Function ! PACKAGING INFORMATION # SOT-25 (SOT-23-5) # SOT-89-5 # USP-6B Data Sheet 2.0 + 0.15 (0.45) 0.5+0.1 (0.05 (0.45) (0.45) 1 0.7+0. 1.0+0.1 . 0.25+0.1 0.25+0.1 4 Semiconductor Ltd. ...

Page 5

... ON / OFF Control Current Limit VR Circuit Error Amp Voltage Reference R3 R4 Comp. VD XC6402C Series Rdelay Current Limit Error Amp Voltage Reference R3 R4 Comp. VD XC6402F Series Optional: V SENSE IN VR SENSE OUT VR OUT Optional: V SENSE IN VR SENSE OUT ...

Page 6

... VD Output Voltage VEN / Cd Pin Voltage SOT-25 Continuous SOT-89-5 Power Dissipation USP-6B Operating Temperature Range Storage Temperature Range ! ELECTRICAL CHARACTERISTICS XC6402C Series PARAMETER VR Output Voltage (note Maximum Output Current [VROUT(E)>1.6V] VR Maximum Output Current [VROUT(E)<1.6V] VR Load Regulation VR Dropout Voltage (note 4) Supply Current (CA/CB/CC/CD type) ...

Page 7

... VROUT(T)<1.45V, VDF(T)<1.45V (NOTE11) EN conditions: XC6402CA / type : ON=VIN, OFF=VSS XC6402CL / type : ON=VSS, OFF=VIN (NOTE12) VD detect voltage : For VIN Sense version, XC6402CA / / CS, only VDF(T)>1.5V type are available. Data Sheet SYMBOL CONDITIONS ...

Page 8

... XC6402 Series High Current, High Speed LDO Regulators, Voltage Detector Function ! XC6402C SERIES DROPOUT VOLTAGE, SUPPLY CURRENT, EN'H/L' LEVEL CURRENT SETTING VR OUTPUT VOLTAGE OUTPUT VD DETECT VOLTAGE (V) VOLTAGE (V) VOUT VROUT(T) MIN. MAX. 0.80 0.770 0.830 0.85 0.820 0.880 0.90 0.870 0.930 0.95 0.920 0.980 1.00 0.970 1.030 1.05 1.020 1 ...

Page 9

... XC6402 Series High Current, High Speed LDO Regulators, Voltage Detector Function ! XC6402C SERIES DROPOUT VOLTAGE, SUPPLY CURRENT, EN'H/L' LEVEL CURRENT (Continued) SETTING VR OUTPUT VOLTAGE OUTPUT VD DETECT VOLTAGE (V) VOLTAGE (V) VOUT VROUT(T) MIN. MAX. 3.00 2.940 3.060 3.05 2.989 3.111 3.10 3.038 3.162 3.15 3.087 3.213 3.20 3.136 3.264 3 ...

Page 10

... VD Output Current value of Detect 'L' type equal to current value during detection and that of Detect 'H' type equal to current value before detection. (NOTE10) VROUT(T)<1.45V, VDF(T)<1.45V (NOTE11) VD detect voltage : For VIN Sense version, XC6402FV / FX, only VDF(T)>1.5V type are available. Data Sheet SYMBOL ...

Page 11

... XC6402 Series High Current, High Speed LDO Regulators, Voltage Detector Function ! XC6402F SERIES DROPOUT VOLTAGE SETTING VR OUTPUT VOLTAGE OUTPUT VD DETECT VOLTAGE (V) VOLTAGE (V) VOUT VROUT(T) MIN. MAX. 0.80 0.770 0.830 0.85 0.820 0.880 0.90 0.870 0.930 0.95 0.920 0.980 1.00 0.970 1.030 1.05 1.020 1.080 1.10 1.070 1.130 1.15 1.120 1 ...

Page 12

... XC6402 Series High Current, High Speed LDO Regulators, Voltage Detector Function ! XC6402F SERIES DROPOUT VOLTAGE (Continued) SETTING VR OUTPUT VOLTAGE OUTPUT VD DETECT VOLTAGE (V) VOLTAGE (V) VOUT VROUT(T) MIN. MAX. 3.00 2.940 3.060 3.05 2.989 3.111 3.10 3.038 3.162 3.15 3.087 3.213 3.20 3.136 3.264 3.25 3.185 3.315 3.30 3.234 3.366 3 ...

Page 13

... OUT VDS 1.5 ~ 1.75V 1.8V ~ 5.0V 2.2µF 1.0µ Circuit CIN CIN:1uF (ceramic) V XC6402 type OUT CIN OUT V SS CIN: 1uF (ceramic) XC6402 type OUT CIN EN VR OUT V SS ...

Page 14

... OUT Cd VR OUT . V SS 1.5 ~ 1.75V 1.8V ~ 5.0V 2.2µF 1.0µ Circuit CIN CIN: 1uF (ceramic) XC6402FY / FZ type OUT CIN OUT CIN: 1uF (ceramic) XC6402FY / FZ type OUT CIN A Cd VDS VR OUT V SS CIN: 1uF (ceramic) ...

Page 15

... For the XC6402C type, in stand-by voltage of the recovery voltage is present at the VROUT pin (from another power source), the VDOUT pin will be high impedance mode, and the pull up voltage will be output at VDOUT. By connecting the Cdelay pin to a capacitor (Cd), the XC6402F series can apply a delay time to VDOUT voltage when releasing voltage. The delay time can be calculated from the internal resistance, Rdelay (2MΩ ...

Page 16

... The IC's internal regulator circuitry can be shut down via the signal from the EN pin with the XC6402C series. In shutdown mode, output at the VROUT pin will be pulled down to the VSS level via R1 & R2. Note that as the XC6402 types of the XC6402C series are 'Active HIGH / No Pull-Down' and XC6402 types of the XC6402C series are 'Active LOW / No Pull-Up', operations will become unstable with the EN pin open (See the chart below) ...

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