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ISL8203MEVAL2Z PDF预览

ISL8203MEVAL2Z

更新时间: 2024-11-05 01:19:55
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
18页 1718K
描述
Dual 3A/Single 6A Step-Down DC/DC Power Module

ISL8203MEVAL2Z 数据手册

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DATASHEET  
ISL8203M  
FN8661  
Rev 4.00  
May 12, 2016  
Dual 3A/Single 6A Step-Down DC/DC Power Module  
The ISL8203M is an integrated step-down power module rated  
for dual 3A output current or 6A current sharing operation.  
Optimized for generating low output voltages down to 0.8V, the  
ISL8203M is ideal for any low power low voltage applications.  
The supply voltage range is from 2.85V to 6V. The two  
channels are 180° out-of-phase for input RMS current and EMI  
reduction. Each channel is capable of 3A output current. They  
can be combined to form a single 6A output in current sharing  
mode. While in current sharing mode, the interleaving of the  
two channels reduces input and output voltage ripple.  
Features  
• Dual 3A and single 6A switching power supply  
• High efficiency, up to 95%  
• Input voltage range: 2.85V to 6V  
• Output voltage range: 0.8V to 5V  
• Internal digital soft-start: 1.5ms  
• External synchronization up to 4MHz  
• Compact size: 9.0mmx6.5mmx1.83mm  
The ISL8203M offers an independent Power-Good (PG) signal  
for each channel. When shut down, the ISL8203M discharges  
the output capacitor. Other features include internal digital  
soft-start, enable for power sequence, overcurrent protection  
and over-temperature protection.  
• Peak current limiting and hiccup mode short-circuit  
protection  
• Overcurrent protection  
Applications  
The ISL8203M integrates a PWM controller, synchronous  
switching MOSFETs, inductors and passive components to  
maximize efficiency and minimize external component count.  
The ISL8203M is available in a thermally-enhanced, compact  
QFN package.  
• µC/µP, FPGA and DSP power  
• Plug-in DC/DC modules for routers and switchers  
• Test and measurement systems  
• Barcode reader  
Related Literature  
AN1941, “ISL8203MEVAL2Z Evaluation Board User Guide”  
INPUT  
OUTPUT1  
1.5V/3A  
2.85V TO 6V  
VIN1  
VIN2  
VDD  
EN1  
VOUT1  
FB1  
1800pF  
1800pF  
100k  
2x22µF  
3x22µF  
113k  
SGND  
EN2  
SS  
ISL8203M  
OUTPUT2  
1.8V/3A  
VOUT2  
FB2  
SYNC  
100k  
3x22µF  
1.83mm  
80.6k  
PGND  
SGND  
FIGURE 1. TYPICAL APPLICATION CIRCUIT - DUAL 3A  
FIGURE 2. SMALL FOOTPRINT PACKAGE WITH LOW PROFILE  
FN8661 Rev 4.00  
May 12, 2016  
Page 1 of 18  

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