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ELM605DA_17 PDF预览

ELM605DA_17

更新时间: 2024-02-09 04:54:58
品牌 Logo 应用领域
ELM-TECH /
页数 文件大小 规格书
13页 827K
描述
synchronous step-down DC/DC converter

ELM605DA_17 数据手册

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2A synchronous step-down DC/DC converter  
ELM605DA  
General description  
ELM605DA is low-input voltage and high-output current synchronous-buck PWM converter and integrates  
with all required active components. Its' operating input voltage ranges from 2.5V to 6V and output voltage  
ranges from Vin down to 0.8V. ELM605DA operates at a fixed switching frequency of 1.0MHz. In addition, it  
provides internal soft-start to reduce inrush-current, current-limit and thermal shutdown, preventing IC from  
being damaged and improving design reliability. Open-drain power good monitors the output voltage.  
■Features  
■Application  
• Current mode operation  
• ASIC/DSP/μP/FPGA core and I/O voltages  
• Networking and telecommunications  
• TV  
• Power good function monitoring output voltage  
• Internal soft start  
• Thermal shutdown  
• Set top boxes  
• Current-limit and short-circuit protection  
• Cellular base stations  
• Input voltage range  
• Output current  
: 2.5V to 6.0V  
: 2A  
• Low quiescent current (active mode) : 200μA  
• Output voltage range (adj.)  
• Shutdown current  
• High efficiency  
: 0.8V to Vin  
: 7μA  
: 95%  
• Constant frequency operation  
• Package  
: 1.0MHz  
: SOP-8  
■Maximum absolute ratings  
Parameter  
VIN power supply voltage  
Apply voltage to SW  
Apply voltage to EN  
Apply voltage to FB  
Power dissipation  
Operating temperature range  
Storage temperature range  
Symbol  
Limit  
-0.3 to +6.5  
-0.3 to Vin+0.3  
-0.3 to Vin  
-0.3 to Vin  
300  
Unit  
V
V
V
V
mW  
°C  
°C  
Vin  
Vsw  
Ven  
Vfb  
Pd  
Top  
Tstg  
-40 to +150  
-65 to +150  
Caution:Permanent damage to the device may occur when ratings above maximum absolute ones are used.  
■Selection guide  
ELM605DA-S  
Symbol  
ELM605DA - S  
a
b
c
Package  
Product version  
Taping direction  
D: SOP-8  
A
S: Refer to PKG file  
↑ ↑ ↑  
a b c  
Taping direction is one way.  
*
Rev.1.2  
13 - 1  

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