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XCL231B0K1H2 PDF预览

XCL231B0K1H2

更新时间: 2024-11-07 02:52:19
品牌 Logo 应用领域
特瑞仕 - TOREX /
页数 文件大小 规格书
37页 1494K
描述
36V, 600mA Inductor Built-in Step-down “micro DC/DC” Converter

XCL231B0K1H2 数据手册

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XCL230/XCL231 Series  
36V, 600mA Inductor Built-in Step-down “micro DC/DC” Converter  
GENERAL DESCRIPTION  
ETR28019-002  
The XCL230/XCL231 Series is a small (3.0mm×3.0mm, h=1.7mm) 36V, 600mA step-down DC/DC converter with an integrated  
control IC and coil. Integrating the coil makes for easier circuit board layout and minimizes malfunction and noise from the  
component and wiring layout.  
The input voltage range is 3.0 to 36V, the switching frequency is 1.2MHz, and a synchronous rectification circuit is used to achieve  
a stable power supply at high efficiency. The XCL230 Series fixes the operation frequency using PWM control to suppress output  
ripple voltage.  
The XCL231 Series automatically switches between PWM and PFM control to reduce loss by lowering the operation frequency  
during low loads to achieve high efficiency across the entire range from low to high loads.  
A 0.75V standard voltage supply is built in, and the output voltage can be set to 1.0V to 5.0V using an external resistance.  
The soft start time is internally set to 2.0ms, and a time that is longer than the internal soft-start can be freely set depending on the  
resistance and capacity connected to the EN/SS pin.  
An overcurrent protection function and thermal shutdown function are built in as protective functions to ensure safe use in the  
event of a short circuit.  
FEATURES  
Input Voltage Range  
Output Voltage Range  
FB Voltage  
APPLICATIONS  
Electricity Meters  
Gas Detectors  
:
:
:
:
:
:
:
:
:
3.0V ~ 36V (Absolute Max 40V)  
1.0V ~ 5.0V  
0.75V ± 1.5%  
Various Sensors  
Output Current  
600mA  
Industrial Equipment  
Home Appliances  
Oscillation Frequency  
Efficiency  
1.2MHz  
86%(VIN=12V,VOUT=5V, IOUT=300mA)  
PWM control (XCL230)  
PWM/PFM Auto (XCL231)  
Soft-start External settings  
Control Methods  
Function  
Power good  
Over Current Protection  
(Automatic recovery)  
Thermal Shutdown  
Protection Circuits  
:
Output Capacitor  
Operating Ambient Temperature  
Packages  
:
:
:
:
Ceramic Capacitor  
-40~ 105℃  
DFN3030-10B  
Environmentally Friendly  
EU RoHS Compliant, Pb Free  
TYPICAL PERFORMANCE  
TYPICAL APPLICATION CIRCUIT  
CHARACTERISTICS  
XCL230/XCL231  
VIN=VEN/SS=12V, VOUT=5.0V  
C
IN1=4.7μF(UMK212BBJ475KG),  
C
IN2=0.1μF(UMK107BJ104MAHT)  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
RPG  
CL=22μF(TMK212BBJ226MG)  
Lx  
L1  
PG  
PG  
L2  
VEN/SS  
EN/SS  
VOUT  
VIN  
CFB  
VIN  
CL  
RFB1  
FB  
CIN1  
CIN2  
GND  
RFB2  
XCL230  
XCL231  
0.1  
1
10  
100  
1000  
Output current : IOUT [mA]  
1/37  

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