XCL201B1D1ER-G PDF预览

XCL201B1D1ER-G

更新时间: 2025-09-15 18:21:59
品牌 Logo 应用领域
特瑞仕 - TOREX 转换器
页数 文件大小 规格书
22页 1369K
描述
XCL201系列是把线圈和控制IC组成一体的超小型(2.5mm×2.0mm, h=1.0mm)降压DC/DC转换器。只在外部增加两个陶瓷电容即可构成最大负载电流400mA的电源。 工作电压在2.

XCL201B1D1ER-G 数据手册

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XCL201/XCL202Series  
ETR2802-008  
Inductor Built-in Step-Down micro DC/DCConverters  
Green Operation Compatible  
GENERAL DESCRIPTION  
The XCL201/XCL201 series is a synchronous step-down micro DC/DC converter which integrates an inductor and a control  
IC in one tiny package (2.5mm×2.0mm, h=1.0mm). A stable power supply with an output current of 400mA is configured using  
only two capacitors connected externally.  
Operating voltage range is from 2.0V to 6.0V. Output voltage is internally set in a range from 0.8V to 4.0V in increments of  
0.05V. The device is operated by 1.2MHz, and includes 0.42Ω P-channel driver transistor and 0.52Ω N-channel switching  
transistor. As for operation mode, the XCL201 series is PWM control, the XCL202 series is automatic PWM/PFM switching  
control, allowing fast response, low ripple and high efficiency over the full range of loads (from light load to heavy load).  
During stand-by, the device is shutdown to reduce current consumption to as low as 1.0μA or less. With the built-in UVLO  
(Under Voltage Lock Out) function, the internal driver transistor is forced OFF when input voltage becomes 1.4V or lower.  
The series provide short-time turn-on by the soft start function internally set in 0.25ms (TYP). The series integrate CL auto  
discharge function which enables the electric charge stored at the output capacitor CL to be discharged via the internal auto-  
discharge switch located between the LX and VSS pins. When the devices enter stand-by mode, output voltage quickly returns  
to the VSS level as a result of this function.  
FEATURES  
Ultra Small  
APPLICATIONS  
Mobile phones, Smart phones  
Bluetooth Headsets  
: 2.5mm×2.0mm, h=1.0mm  
: 2.0V ~ 6.0V  
Input Voltage  
Output Voltage  
High Efficiency  
Output Current  
Oscillation Frequency  
Maximum Duty Cycle  
Output Capacitor  
Function  
: 0.8V ~ 4.0V (±2.0%)  
: 92% (VIN=4.2V,VOUT=3.3V)  
: 400mA  
WiMAX PDAs, MIDs, UMPCs  
Portable game consoles  
: 1.2MHz (±15%)  
Digital cameras, Camcorders  
SSD(Solid State Drive)  
: 100%  
: Low ESR Ceramic  
: Current Limiter Circuit  
(Constant Current & Latching)  
Soft-Start Circuit Built-In  
CL Discharge  
PND(Portable Navigation Device)  
Control Methods  
: PWM (XCL201)  
PWM/PFM Auto (XCL202)  
Operating Ambient Temperature : -40~ 85℃  
Environmentally Friendly : EU RoHS Compliant, Pb Free  
TYPICAL PERFORMANCE  
CHARACTERISTICS  
TYPICALAPPLICATION CIRCUIT  
XCL201B331BR/XCL202B331BR  
XCL201/XCL202 Series  
100  
80  
60  
40  
20  
0
X C  
L
2
0
2
(
P W  
L1  
VIN  
LX  
CIN  
4.7μF  
V
I
N
=
Vss  
CE  
Vss  
CL  
10μF  
X C  
L 2 0 1 (  
5
. 0  
VOUT  
400mA  
4
. 2  
L2  
V
O U T =  
0 . 0 1 0 . 1  
1
10  
100  
1000  
(TOP VIEW)  
* L1 and LX, and L2 and VOUTis connected by wiring.  
O u t p u t CO uU (rTmr eA  
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