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What is XC9266?

This electronic component, produced by the manufacturer "Torex Semiconductor", performs the same function as "6.0A Synchronous Step-Down DC/DC Converters".


XC9266 Datasheet PDF - Torex Semiconductor

Part Number XC9266
Description 6.0A Synchronous Step-Down DC/DC Converters
Manufacturers Torex Semiconductor 
Logo Torex Semiconductor Logo 


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XC9266 Series
ETR05051-001
COT Control, 6.0A Synchronous Step-Down DC/DC Converters
GENERAL DESCRIPTION
Green Operation-compatible
The XC9266 series is a group of synchronous-rectification type DC/DC converters with a built-in 32mP-channel MOS driver
transistor and 25mN-channel MOS switching transistor, designed to allow the use of ceramic capacitors. The small on-resistances
of these two internal driver transistors enable a high efficiency, stable power supply with an output current up to 6.0A. A 0.6V
reference voltage source is incorporated, and the output voltage can be set freely by external resistors. Oscillation frequency is set
to 1.2MHz or 3.0MHz can be selected for suiting to your particular application. The operation mode is HISAT-COT (*) control, which
has an excellent transient response. PWM control or PWM/PFM auto switching control can be selected at the MODE1 pin, and a
high-speed response, low ripple, and high efficiency are achieved across the entire load range (from light loads to heavy loads).
During stand-by, all circuits are shutdown to reduce current consumption to as low as 1.0μA or less. As for the soft-start function as
fast as 0.25ms in typical for quick turn-on. The soft start time can be set as desired by adding an external capacitance to the SS
pin. Internal protection circuits include over current protection, short-circuit protection, and thermal shutdown circuits to enable safe
use. Short circuit protection or Hiccup mode can be selected at the MODE2 pin.
Soft-off function and CL High Speed discharge function discharge the electric charge at the output capacitor CL when putting the IC
in a stand-by mode. Soft-off function can be selected at the MODE3 pin. The package is the QFN0404-24C (4mm×4mm).
(*) HiSAT-COT is an original Torex term for High Speed Transient Response.
APPLICATIONS
PC
Graphic board
Storage
Industrial application
FPGA
SSD
ASIC
DSP
FEATURES
Input Voltage Range
Output Voltage Range
FB Voltage
Output Current
Oscillation Frequency
Efficiency
Control Methods
Protection Circuits
Functions
Capacitor
Operating Ambient Temperature
Package
Environmentally Friendly
: 2.7V5.5V
: 0.8V3.6V
: 0.6V±1.0%
: 6.0A
: 1.2MHz, 3.0MHz
: 93%(VIN=5.0V, VOUT=1.8V, IOUT=1.0A)
: HiSAT-COT Control
100% Duty Cycle
Mode select between
Fixed PWM and PWM/PFM Auto
: Thermal Shutdown
Current Limit (Pendent character)
HICCUP or Short Circuit Protection
: UVLO , Soft-Start, Soft-off
CL High Speed Discharge
: Ceramic Capacitor
: - 40℃ ~ + 105
: QFN0404-24C
: EU RoHS Compliant, Pb Free
TYPICAL APPLICATION CIRCUIT
VIN
RDD
CIN
CDD CSS
PVIN
AVIN
CE
MODE1
MODE2
MODE3
PG
VOU T
Lx
FB
SS
AGND
PGND
RPG
L
CFB
VOUT
RFB1
CL
RFB2
TYPICAL PERFORMANCE
CHARACTERISTICS
XC9266B06C VOUT=1.8V, fosc=1.2MHz L=0.56μH(XAL6030),
CIN=47μF(GRM31CR61A476ME15L),CL=47μF(GRM31CR60J476ME19L),RFB1=36k,RFB2=18k,CF
100
80
60
40
20
0
1
PWM/PFM
VIN =5.0V
PWM
10 100 1000 10000
Output Current : IOUT (mA)
1/30

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XC9266 equivalent
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
Power Input Voltage
Analog Input Voltage
Lx PIN Voltage
Output Voltage
Feedback Input Voltage
CE Input Voltage
MODE1 Input Voltage
MODE2 Input Voltage
MODE3 Input Voltage
PG Input Voltage
Soft Start Input Voltage
Power
Dissipation
QFN0404-24C
Operating Ambient Temperature
VPVIN
VAVIN
VLx
VOUT
VFB
VCE
VMODE1
VMODE2
VMODE3
VPG
VSoftStart
Pd
Topr
-0.3+6.2
-0.3VIN+0.3 or+6.2(*1)
-0.3VIN+0.3 or+4.0(*2)
-0.3+6.2
-0.3+6.2
-0.3+6.2
-0.3+6.2
-0.3+6.2
-0.3+6.2
-0.3VIN+0.3 or +6.2(*1)
1500 (PCB mounted)
-40+105
Storage Temperature
Tstg
-55+125
All voltages are described based on the GND (AGND and PGND) pin.
(*1) The maximum value should be either VIN+0.3V or +6.2V in the lowest.
(*2) The maximum value should be either VIN+0.3V or +4.0V in the lowest.
Ta=25
UNITS
V
V
V
V
V
V
V
V
V
V
mW
XC9266
Series
5/30


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for XC9266 electronic component.


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