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ER2120QI

更新时间： 2024-02-01 16:24:03
品牌 Logo 应用领域
英特尔 - INTEL PC开关
页数 文件大小 规格书
24页 1142K
描述
Switching Regulator

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ER2120QI 技术参数

是否Rohs认证：符合生命周期：Active
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：1.76
Samacsys Confidence：3Samacsys Status：Released
Samacsys PartID：1439536Samacsys Pin Count：25
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Quad Flat No-Lead
Samacsys Footprint Name：24-LEAD [QFN]Samacsys Released Date：2020-04-28 01:25:10
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING REGULATOR
峰值回流温度（摄氏度）：NOT SPECIFIED处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

ER2120QI 数据手册

 浏览型号ER2120QI的Datasheet PDF文件第2页浏览型号ER2120QI的Datasheet PDF文件第3页浏览型号ER2120QI的Datasheet PDF文件第4页浏览型号ER2120QI的Datasheet PDF文件第5页浏览型号ER2120QI的Datasheet PDF文件第6页浏览型号ER2120QI的Datasheet PDF文件第7页 
Enpirion® Power Datasheet  
ER2120QI 2A Synchronous Buck  
Regulator with Integrated MOSFETs  
DS-1042  
Datasheet  
The Altera® Enpirion® ER2120QI is a synchronous buck  
controller with internal MOSFETs packaged in a small  
4mmx4mm QFN package. The ER2120QI can support a  
continuous load of 2A and has a very wide input voltage  
range. With the switching MOSFETs integrated into the IC,  
the complete regulator footprint can be very small and provide  
a much more efficient solution than a linear regulator.  
Features  
• Up to 2A Continuous Output Current  
• Integrated MOSFETs for Small Regulator Footprint  
• Adjustable Switching Frequency, 500kHz to 1.2MHz  
• Tight Output Voltage Regulation, 1% Over-temperature  
• Wide Input Voltage Range, 5V 10% or 5.5V to 14V  
• Wide Output Voltage Range, from 0.6V  
The ER2120QI is capable of stand-alone operation or it can be  
used in a master slave combination for multiple outputs that  
are derived from the same input rail. Multiple slave channels  
(up to six) can be synchronized. This method minimizes the  
EMI and beat frequencies effect with multi-channel operation.  
• Simple Single-Loop Voltage-Mode PWM Control Design  
• Input Voltage Feed-Forward for Constant Modulator Gain  
• Fast PWM Converter Transient Response  
• Lossless RDS(ON) High Side and Low Side Overcurrent  
Protections  
The switching PWM controller drives two internal N-Channel  
MOSFETs in a synchronous-rectified buck converter topology.  
The synchronous buck converter uses voltage-mode control  
with fast transient response. The switching regulator provides  
a maximum static regulation tolerance of 1% over line, load,  
and temperature ranges. The output is user-adjustable by  
means of external resistors down to 0.6V.  
• Undervoltage Detection  
• Integrated Thermal Shutdown Protection  
• Power-Good Indication  
• Adjustable Soft-Start  
• Start-Up with Pre-Bias Output  
• Pb-free (RoHS Compliant)  
The output is monitored for undervoltage events. The  
switching regulator also has overcurrent protection. Thermal  
shutdown is integrated. The ER2120QI features a bi-directional  
Enable pin that allows the part to pull the enable pin low  
during fault detection.  
Applications  
•
•
•
FPGA power  
Point of Load Applications  
Graphics Cards  
POK delay for ER2120QI is 1ms typical (at 500kHz switching  
frequency).  
• ASIC Power Supplies  
• Embedded Processor and I/O Supplies  
• DSP Supplies  
VIN  
4.5V TO 5.5V  
POWER GOOD  
ENABLE  
POWER GOOD  
ENABLE  
POK  
EN  
AVINO  
AVIN  
SS  
POK  
EN  
SYNC  
M/S  
PVIN  
PVIN  
VIN  
+
+
5.5V TO 14V  
BOOT  
BOOT  
AVIN  
AVINO  
SS  
ER2120QI  
ER2120QI  
VOUT  
VOUT  
SW  
SW  
+
+
SYNC  
M/S  
PGND  
PGND  
FSW  
FSW  
FB  
FB  
COMP  
AGND  
COMP  
AGND  
FIGURE 1. STAND-ALONE REGULATOR: VIN 5.5V TO 14V  
FIGURE 2. STAND-ALONE REGULATOR: VIN 4.5V TO 5.5V  
© 2014 Altera Corporation. All rights reserved. ALTERA, ARRIA, CYCLONE, ENPIRION, HARDCOPY, MAX, MEGACORE, NIOS,  
QUARTUS and STRATIX words and logos are trademarks of Altera Corporation and registered in the U.S. Patent and Trademark Office and in  
other countries. All other words and logos identified as trademarks or service marks are the property of their respective holders as described at  
www.altera.com/common/legal.html. Altera warrants performance of its semiconductor products to current specifications in accordance with  
Altera's standard warranty, but reserves the right to make changes to any products and services at any time without notice. Altera assumes no  
responsibility or liability arising out of the application or use of any information, product, or service described herein except as expressly agreed  
to in writing by Altera. Altera customers are advised to obtain the latest version of device specifications before relying on any published  
information and before placing orders for products or services.  
ISO  
9001:2008  
Registered  
101 Innovation Drive  
San Jose, CA 95134  
www.altera.com  
March 2014 Altera Corporation  
Subscribe  
09615  
March 14, 2014  
Rev A  
1234567...24

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