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TPS50301-HT

更新时间： 2024-10-01 12:25:11
品牌 Logo 应用领域
德州仪器 - TI 转换器输入元件
页数 文件大小 规格书
28页 609K
描述
1.6-V TO 6.3-V INPUT, 3-A/6-A SYNCHRONOUS STEP DOWN SWIFT CONVERTER

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TPS50301-HT 数据手册

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TPS50301-HT  
TPS50601-SP  
www.ti.com  
SLVSA94D –DECEMBER 2012–REVISED JANUARY 2013  
1.6-V TO 6.3-V INPUT, 3-A/6-A SYNCHRONOUS STEP DOWN SWIFT™ CONVERTER  
Check for Samples: TPS50301-HT, TPS50601-SP  
1
FEATURES  
2
•
Peak Efficiency: 95% (VO = 3.3 V)  
Integrated 55-mΩ/50-mΩ MOSFETs  
Split Power Rail: 1.6 V to 6.3 V on PVIN  
Power Rail: 3 V to 6.3 V on VIN  
TPS50301-HT: 3 A  
•
Power Good Output Monitor for Undervoltage  
and Overvoltage  
•
•
•
•
•
•
•
•
Adjustable Input Undervoltage Lockout  
For SWIFT™ Documentation, Visit  
http://www.ti.com/swift  
TPS50601-SP: 6 A  
APPLICATIONS  
TPS50601-SP:  
•
•
•
•
•
Point of Load Regulation  
SEL Latchup Immune to LET = 85 MeV-cm2/mg  
TPS50601-SP: Rad Tolerant Applications  
TPS50301-HT: Down-Hole Drilling  
Supports Harsh Environment Applications  
•
•
TPS50601-SP:  
Total Dose (TID) tolerance = 100kRad (Si)  
Flexible Switching Frequency Options:  
TPS50301-HT Available in Extreme  
(–55°C to 210°C) Temperature Range  
TPS50601-SP Available in Military  
–
–
–
100-kHz to 1-MHz Adjustable Internal  
Oscillator  
External Sync Capability from 100 kHz  
to 1 MHz  
(1)  
(–55°C to 125°C) Temperature Range  
•
TPS50301-HT: Texas Instruments' high  
temperature products utilize highly optimized  
silicon (die) solutions with design and process  
enhancements to maximize performance over  
extended temperatures.  
Sync Pin Can Be Configured as a 500-kHz  
Output for Master/Slave Applications  
•
•
•
0.795-V ±1.258% Voltage Reference at 25°C  
Monotonic Start-Up into Pre-Biased Outputs  
Adjustable Slow Start and Power Sequencing  
(1) Custom temperature ranges available  
DESCRIPTION  
The TPS50301 is a 6.3-V, 3-A and the TPS50601 is a 6.3-V, 6-A synchronous step down converter which is  
optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. Further  
space savings are achieved through current mode control, which reduces component count, and a high switching  
frequency, reducing the inductor's footprint. The devices are offered in a thermally enhanced 20-pin ceramic,  
dual in-line flatpack package.  
Efficiency vs. Load Current Vin=5V  
Current Sharing vs. Load Current  
1.00  
0.95  
0.90  
0.85  
0.80  
0.75  
0.70  
0.65  
0.60  
0.55  
0.50  
0.45  
0.40  
0.35  
0.30  
0.25  
0.20  
0.15  
0.10  
0.05  
0.00  
60.00  
58.00  
56.00  
54.00  
52.00  
50.00  
48.00  
46.00  
44.00  
42.00  
40.00  
Vo = 3.3V  
Vo = 1.2V  
POL # 2  
POL # 1  
0.00  
1.00  
2.00  
3.00  
4.00  
5.00  
6.00  
0.00  
2.00  
4.00  
6.00  
8.00  
10.00  
12.00  
IL- Load Current -A  
IL-Current Load_A  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
SWIFT is a trademark of Texas Instruments.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2012–2013, Texas Instruments Incorporated  
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