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FAN21SV04EMPX_12

更新时间： 2024-12-01 12:51:03
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 稳压器
页数 文件大小 规格书
18页 863K
描述
TinyBuck™ 4 A, 24 V Single-Input Integrated Synchronous Buck Regulator

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FAN21SV04EMPX_12 数据手册

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November 2012  
FAN21SV04 — TinyBuck™ 4 A, 24 V Single-Input  
Integrated Synchronous Buck Regulator  
Features  
Description  
.
.
.
.
.
.
Single-Supply Operation with 4 A Output Current  
The FAN21SV04 TinyBuck™ is a highly efficient,  
small-footprint,  
programmable-frequency,  
4 A,  
Wide Input Range with Dual Supply: 3.0 V to 24 V  
Wide Output Voltage Range: 0.8 V to 80% VIN  
Over 94% Peak Efficiency  
integrated synchronous buck regulator.  
FAN21SV04 contains both synchronous MOSFETs  
and a controller/driver with optimized interconnects in  
one package, which enables designers to solve high-  
current requirements in a small area with minimal  
external components, thereby reducing cost. On-  
board internal 5 V regulator enables single-supply  
operation for input voltages >6.5 V.  
1% Reference Accuracy Over Temperature  
Fully Synchronous Operation with Integrated  
Schottky Diode on Low-Side MOSFET Boosts  
Efficiency  
.
.
Single Supply Device for VIN > 6.5 V – 24 V  
The FAN21SV04 can be configured to drive multiple  
slave devices OR synchronize to an external system  
clock. In slave mode, FAN21SV04 may be set up to be  
free-running in the absence of a master clock signal.  
Programmable Frequency Operation (200-  
600 KHz)  
.
Synchronizable to External Clock with  
Master/Slave Provisions  
External compensation, programmable switching  
frequency, and current-limit features allow for design  
optimization and flexibility. High-frequency operation  
allows for all-ceramic solutions.  
.
.
.
.
.
.
.
Power-Good Signal  
Accepts Ceramic Capacitors on Output  
External Compensation for Flexible Design  
Starts on Pre-Bias Outputs  
Fairchild’s advanced BiCMOS power process,  
combined with low-RDS(ON) internal MOSFETs and a  
thermally efficient MLP package, provide the ability  
Integrated Bootstrap Diode  
to dissipate high power in  
a small package.  
Programmable Over-Current Protection  
Integration helps minimize critical inductances,  
making layout simpler and more efficient compared  
to discrete solutions.  
Under-Voltage, Over-Voltage, and Thermal-  
Shutdown Protections  
.
5x6mm, 25-Pin, 3-Pad MLP Package  
Output over-voltage, under-voltage, over-current, and  
thermal-shutdown protections help protect the device  
from damage during fault conditions. FAN21SV04  
prevents pre-biased output discharge during startup in  
point-of-load applications.  
Applications  
.
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.
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Servers & Telecom  
Graphics Cards & Displays  
Computing Systems  
Related Resources  
.
TinyCalc™ Calculator Design Tool  
Set-Top Boxes & Game Consoles  
Point-of-Load Regulation  
.
AN-8022 — TinyCalc™ Calculator User Guide  
Ordering Information  
Operating  
Packing  
Part Number  
Temperature Range  
Package  
Method  
FAN21SV04MPX  
FAN21SV04EMPX  
-10°C to 85°C  
-40°C to 85°C  
Molded Leadless Package (MLP) 5x6 mm  
Molded Leadless Package (MLP) 5x6 mm  
Tape and Reel  
Tape and Reel  
© 2009 Fairchild Semiconductor Corporation  
FAN21SV04 • Rev. 1.0.3  
www.fairchildsemi.com  
1234567...18

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