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XCL222B251ER-G

Description
DC DC CONVERTER 2.5V
CategoryPower/power management    The power supply circuit   
File Size1MB,20 Pages
ManufacturerTOREX
Websitehttp://www.torex.co.jp/chinese/
Environmental Compliance
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XCL222B251ER-G Overview

DC DC CONVERTER 2.5V

XCL222B251ER-G Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerTOREX
package instructionHSON,
Reach Compliance Codecompliant
ECCN codeEAR99
Samacsys DescriptionTOREX - XCL222B251ER-G - POL Converter, Micro DC/DC, 5.5V in, 2.5V/0.5A out, 1.2MHz, CL2025-02, 8Pin
Other featuresALSO CONTROL TECHNIQUE PFM AVAILABLE
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage5.5 V
Minimum input voltage2.5 V
Nominal input voltage5 V
JESD-30 codeR-PDSO-N6
length2.5 mm
Humidity sensitivity level1
Number of functions1
Number of terminals6
Maximum operating temperature105 °C
Minimum operating temperature-40 °C
Maximum output current0.5 A
Nominal output voltage2.5 V
Package body materialPLASTIC/EPOXY
encapsulated codeHSON
Package shapeRECTANGULAR
Package formSMALL OUTLINE, HEAT SINK/SLUG
Peak Reflow Temperature (Celsius)260
Maximum seat height1.04 mm
surface mountYES
Switch configurationBUCK
Temperature levelINDUSTRIAL
Terminal surfaceNickel/Silver/Gold (Ni/Ag/Au)
Terminal formNO LEAD
Terminal pitch0.55 mm
Terminal locationDUAL
Maximum time at peak reflow temperature10
width2 mm
XCL221/XCL222
Series
0.5A Inductor Built-in Step-Down “micro DC/DC” Converters
ETR28008-001
☆GreenOperationCompatible
■GENERAL
DESCRIPTION
The XCL221/XCL222 series is a synchronous step-down micro DC/DC converter which integrates an inductor and a
control IC in one tiny package (2.0mm×2.5mm, h=1.0mm). An internal coil simplifies the circuit and enables minimization of
noise and other operational trouble due to the circuit wiring. A wide operating voltage range of 2.5V to 5.5V enables support
for applications that require an internally fixed output voltage (0.8V to 3.6V). The XCL221/XCL222 series uses synchronous
rectification at an operating frequency of 1.2MHz. The XCL221/XCL222 series uses HiSAT-COT
(*)
synchronous rectification.
HiSAT-COT+PWM control (XCL221) or HiSAT-COT+automatic PWM/PFM switching control (XCL222) can be selected.
The series have a high speed soft-start as fast as 0.25ms (TYP.) in typical for quick turn-on. With the built-in UVLO (Under
Voltage Lock Out) function, the internal P-channel driver transistor is forced OFF when input voltage becomes 2.0V or lower.
When CE=Low, the integrated C
L
discharge function which enables the electric charge at the output capacitor C
L
to be
discharged via the internal discharge switch located between the L
X
and PGND pins. The power consumption will be less than
1.0μA.
(*)
HiSAT-COT is an original Torex term for High Speed Transient Response.
■APPLICATIONS
●Wearable
Device
●Bluetooth
Module
●SSD(Solid
State Drive)
●Mobile
phone
●Digital
still camera
●Portable
game devices
■FEATURES
Input Voltage
Output Voltage
Oscillation Frequency
Output Current
Efficiency
Control Methods
: 2.5V½5.5V
: 0.8V½3.6V(±2.0%)
: 1.2MHz
: 500mA
: 93% (V
IN
=5.0V, V
OUT
=3.3V/200mA)
: HiSAT-COT
100% Duty Cycle
PWM (XCL221)
PWM/PFM (XCL222)
: Thermal Shut Down
Current Limit Circuit (Drop)
Short Circuit Protection (Latch)
: Soft-start Circuit Built-in
UVLO
C
L
Discharge
: Low ESR Ceramic Capacitor
Circuit Protection
Functions
Output Capacitor
Operating Ambient Temperature : -40℃½+105℃
Package
: CL-2025-02
Environmental Friendly
: EU RoHS Compliant, Pb Free
■TYPICAL
APPLICATION CIRCUIT
TYPICAL PERFORMANCE
CHARACTERISTICS
XCL222B181ER-G (V
OUT
=1.8V)
7
1 Lx
2 AGND
0.5A
C
L
10μF
V
IN
6
PGND 5
CE 4
8
C
IN
4.7μF
3 V
OUT
1/20
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