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ELM611DA PDF预览

ELM611DA

更新时间: 2024-11-23 11:46:03
品牌 Logo 应用领域
ELM-TECH 转换器
页数 文件大小 规格书
11页 976K
描述
high efficiency synchronous PWM step down DC/DC converter

ELM611DA 数据手册

 浏览型号ELM611DA的Datasheet PDF文件第2页浏览型号ELM611DA的Datasheet PDF文件第3页浏览型号ELM611DA的Datasheet PDF文件第4页浏览型号ELM611DA的Datasheet PDF文件第5页浏览型号ELM611DA的Datasheet PDF文件第6页浏览型号ELM611DA的Datasheet PDF文件第7页 
2A 23V  
step down DC/DC converter  
ELM611DA  
synchronous PWM  
high efficiency  
General description  
ELM611DA is 350kHz fixed frequency PWM synchronous step-down regulator, whose input voltage can  
be set within the range from 4.75V to 23V and output one is adjustable within the range from 0.923V to 18V;  
maximum output current of ELM611DA can reach 2A. ELM611DA includes 2 switching MOSFETs whose ON  
resistance is 85mΩ. Current mode control of ELM611DA makes it possible to provide fast transient response  
and current protection of cycle-by-cycle. Shutdown current is Typ.1μA. Soft start is programmable by external  
capacitor during start and limits inrush current to the appropriate value. ELM611DA is equipped with thermal  
shutdown protection.  
■Features  
■Application  
• Programmable soft start  
• Short circuit protection  
• Thermal shutdown protection  
• Input voltage  
• Distributed power system  
• Network system  
• FPGA, DSP, ASIC power supply  
• Laptop  
: 4.75V to 23V  
: 0.923V to 18V  
: 2A  
• Output voltage  
• Domestic appliance  
• Output current  
• High efficiency  
: Max.93%  
: 85mΩ  
• Power MOSFET switches  
• Shutdown current  
• Fixed frequency  
• Package  
: Typ.1µA  
: Typ.350kHz  
: SOP-8  
■Maximum absolute ratings  
Parameter  
VIN power supply voltage  
Apply voltage to SW  
Apply voltage to BS  
Symbol  
Vin  
Vsw  
Vbs  
Limit  
-0.3 to +24  
GND-0.3 to Vin+0.3  
Vsw-0.3 to Vsw+6  
-0.3 to +6  
Unit  
V
V
V
V
Apply voltage to FB  
Vfb  
Apply voltage to COMP  
Apply voltage to EN  
Apply voltage to SS  
Vcomp  
Ven  
Vss  
-0.3 to +6  
-0.3 to Vin+0.3  
-0.3 to +6  
V
V
V
Power dissipation  
Operating temperature range  
Storage temperature range  
Pd  
Top  
Tstg  
630  
-40 to +85  
-65 to +150  
mW  
°C  
°C  
Caution:Permanent damage to the device may occur when ratings above maximum absolute ones are used.  
■Selection guide  
ELM611DA-N  
Symbol  
ELM611DA - N  
a
b
c
Package  
Product version  
Taping direction  
D: SOP-8  
A
N: Refer to PKG file  
↑ ↑ ↑  
a b c  
Taping direction is one way.  
*
Rev.1.2  
11 - 1  

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