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ISL95210HRZ PDF预览

ISL95210HRZ

更新时间： 2024-11-27 11:13:07
品牌 Logo 应用领域
英特矽尔 - INTERSIL 调节器开关
页数 文件大小 规格书
19页 1063K
描述
10A Synchronous Buck Regulator with Integrated Power MOSFETs

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ISL95210HRZ 数据手册

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10A Synchronous Buck Regulator with Integrated  
Power MOSFETs that Requires No Compensation  
ISL95210  
Features  
The ISL95210 single-output integrated MOSFET regulator  
provides a precision voltage regulation system for point-of-load  
applications. It implements a 2-bit DAC reference with tri-state  
inputs for selecting a variety of regulator output voltages.  
Additionally, an external resistor divider or digital voltage margining  
may be used to accurately set the output voltage to a value other  
than the pre-selected DAC voltages. An additional tri-state input pin  
is used to set the frequency to three pre-selected values with no  
need for external components.  
• True 10A Solution up to +90°C Ambient with No Air Flow  
• Excellent Efficiency  
- 95% Peak  
- 87% at 800kHz, 10A and 1.05V  
OUT  
• Best in Class MOSFET r  
- 15mΩ High-Side  
- 4mΩ Low-Side  
DS(ON)  
• ±0.6% Output Voltage Accuracy Over-Temperature  
The ISL95210 implements a modified version of Intersil’s  
3
4
previous high performance R ™ modulator topology in the new  
• Intersil’s R ™ Modulator Technology  
4
R ™ modulator. This modulation scheme provides improved  
- Optimal Transient Response  
- No Compensation Required  
transient performance, while also including key performance  
updates that remove the need for loop compensation and  
produce highly accurate switching frequencies. These updates,  
along with an integrated digital feature set, allow for a  
high-performance regulator that is highly compact and needs few  
external components.  
• Full Digital Feature Set for Minimal Component Count  
• DAC Output Voltage Control with Margining  
• 32 Lead, 6mmx4mm QFN Package  
Applications  
Protection features of this integrated regulator IC include a set of  
sophisticated overvoltage, undervoltage, overcurrent and thermal  
protections. Combined, these features provide advanced protection  
for the load and power system.  
• Notebook Computers  
- V  
DDQ  
for DDR1/2/3  
- Chipset Voltages  
Related Literature  
• See AN1485, “ISL95210 10A Integrated FET Regulator  
Evaluation Board Setup Procedure”  
• MXM Graphics Card Modules  
• Point of Load Applications  
• General Purpose Applications  
ISL95210 THERMAL PERFORMANCE  
+3.3V to +5V  
VIN  
12  
10  
AIR FLOW  
0 LFM  
+5V  
PVCC  
PG_OUT  
C
IN  
100 LFM  
200 LFM  
300 LFM  
ISL95210  
10µF  
L
8
6
4
2
0
OUT  
+1.2V  
PHASE  
420nH  
VOUT  
VCC  
EN  
C
(KELVIN)  
OUT  
PG_IN  
VSEL0  
VSEL1  
MPCT  
MSEL  
FCCM  
FSET  
220µF  
1µF  
(KELVIN)  
AGND  
PGND  
T-PAD  
85  
90  
95  
100 105 110 115 120 125  
AMBIENT TEMPERATURE (°C)  
FIGURE 1. ISL95210 TYPICAL 800kHz APPLICATION  
FIGURE 2. KEY PERFORMANCE CURVE  
June 2, 2011  
FN6938.2  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011. All Rights Reserved  
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
All other trademarks mentioned are the property of their respective owners.  
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