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FAN53541UCX

更新时间： 2024-11-02 20:04:19
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 开关
页数 文件大小 规格书
15页 1477K
描述
Switching Regulator, Voltage-mode, 5A, 3000kHz Switching Freq-Max, PBGA20, WLCSP-20

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FAN53541UCX 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Transferred零件包装代码：CSP
包装说明：VFBGA, BGA20,4X5,16针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：5.73
Samacsys Description：Switching Voltage Regulators 2.4 MHz 5A Synchronous Buck Reg其他特性：ALSO REQUIRE PWM CONTROL TECHNIQUE; ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 4.95V
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
控制技术：PULSE FREQUENCY MODULATION最大输入电压：5.5 V
最小输入电压：2.7 V标称输入电压：5 V
JESD-30 代码：R-PBGA-B20JESD-609代码：e1
长度：1.96 mm湿度敏感等级：1
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：5 A封装主体材料：PLASTIC/EPOXY
封装代码：VFBGA封装等效代码：BGA20,4X5,16
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：0.625 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：3000 kHz温度等级：INDUSTRIAL
端子面层：Tin/Silver/Copper (Sn/Ag/Cu)端子形式：BALL
端子节距：0.4 mm端子位置：BOTTOM
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.56 mm
Base Number Matches：1

FAN53541UCX 数据手册

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February 2014  
FAN53541  
2.4 MHz, 5 A TinyBuck™ Synchronous Buck Regulator  
Description  
Features  
The FAN53541 is a step-down switching voltage regulator  
that delivers an adjustable output from an input voltage  
supply of 2.7 V to 5.5 V. Using a proprietary architecture with  
synchronous rectification, the FAN53541 is capable of  
delivering 5 A at over 90% efficiency, while maintaining a  
very high efficiency of over 80% at load currents as low as  
2 mA. The regulator operates at a nominal fixed frequency of  
2.4 MHz, which reduces the value of the external  
components to 470 nH for the output inductor and 20 µF for  
the output capacitor. Additional output capacitance can be  
added to improve regulation during load transients without  
affecting stability and inductance up to 1.2 µH may be used  
with additional output capacitance.  
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2.4 MHz Fixed-Frequency Operation  
Best-in-Class Load Transient Response  
5 A Output Current Capability  
2.7 V to 5.5 V Input Voltage Range  
Adjustable Output Voltage: 0.8 V to 90% of VIN  
PFM Mode for High Efficiency in Light Load  
(Forced PWM Available on MODE Pin)  
.
.
.
50 µA Typical Quiescent Current in PFM Mode  
External Frequency Synchronization  
Low Ripple Light-Load PFM Mode with Forced  
PWM Control  
At moderate and light loads, pulse frequency modulation  
(PFM) is used to operate the device in power-save mode  
with a typical quiescent current of 50 µA. Even with such a  
low quiescent current, the part exhibits excellent transient  
response during large load swings. At higher loads, the  
system automatically switches to fixed-frequency control,  
operating at 2.4 MHz. In shutdown mode, the supply current  
drops below 1 µA, reducing power consumption. PFM mode  
can be disabled if constant frequency is desired. The  
FAN53541 is available in a 20-bump 1.96 mm x 1.56 mm  
Wafer-Level Chip-Scale Package (WLCSP).  
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Power Good Output  
Internal Soft-Start  
Input Under-Voltage Lockout (UVLO)  
Thermal Shutdown and Overload Protection  
No External Compensation Required  
20-Bump WLCSP  
Applications  
.
.
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Set-Top Box  
PGOOD  
Hard Disk Drive  
Communications Cards  
DSP Power  
VIN  
L1  
SW  
CIN  
CIN1  
0.47H  
COUT  
10µF  
COUT  
10µF  
10nF  
10µF  
GND  
FAN53541  
VOUT  
FB  
EN  
R1  
MODE  
Figure 1. Typical Application  
Ordering Information  
Part Number  
Temperature Range  
Package  
Packing Method  
20-Ball Wafer-Level, Chip-Scale Package (WLCSP),  
4x5 Array, 0.4 mm Pitch, 250 µm Ball  
FAN53541UCX  
-40 to 85°C  
Tape and Reel  
© 2013 Fairchild Semiconductor Corporation  
www.fairchildsemi.com  
FAN53541 • Rev. 1.0.2  
 
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