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HIP5011IS1 PDF预览

HIP5011IS1

更新时间: 2024-11-15 22:09:55
品牌 Logo 应用领域
英特矽尔 - INTERSIL 接口集成电路驱动局域网
页数 文件大小 规格书
6页 42K
描述
7V, 17A SynchroFET⑩ Complementary Drive Synchronous Half-Bridge

HIP5011IS1 数据手册

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HIP5010, HIP5011  
Data Sheet  
March 1996  
File Number 4029.5  
7V, 17A SynchroFET™ Complementary  
Drive Synchronous Half-Bridge  
Features  
• Complementary Drive, Half-Bridge Power NMOS  
• Use With Low-Cost Single-Output PWM Controllers  
Designed with the P6 and Pentium® in mind, the Intersil  
SynchroFET™ family provides a new approach for  
• Improve Efficiency Over Conventional Buck Converter with  
Schottky Clamp  
implementing a synchronous rectified buck switching regulator.  
The SynchroFET replaces two power DMOSs, a Schottky  
diode, two gate drivers and synchronous control circuitry. The  
complementary drive circuit turns the upper FET on and the  
lower FET off when the input from the PWM is high. When the  
input from the PWM goes low the upper FET turns off and the  
lower FET turns on. The HIP5011 has a PWM pin that inverts  
the relationship from the input to PHASE. This architecture  
allows the designer to utilize a low cost single-ended PWM  
controller in either a current or voltage mode configuration. The  
SynchroFET operates in continuous conduction mode reducing  
EMI constraints and enabling high bandwidth operation.  
Several features ensure easy start-up. First, the supply currents  
stay below specification as the supply voltages ramp up; no  
unexpected surges occur that might perturb a soft-start or  
deplete a charge-pump. Second, any power-up sequence of  
• Minimum Deadtime Provided by Adaptive Shoot-Through  
Protection Eliminates External Schottky  
• Grounded Case for Low EMI and Simple Heatsinking  
• Low Operating Current  
• Frequency Exceeding 1MHz  
• Dual Polarity Input Options  
• All Pins Surge Protected  
Applications  
• 5V to 3.3V Synchronous Buck Converters  
• Pentium and P6 Power Supplies  
the V , V , or PWM pins can be used without causing large  
currents. Third, the chip operates when V is greater than 2V  
CC  
CC IN  
• PowerPCPower Supplies  
• Bus Terminations (BTL and GTL)  
• Drive 5V Motors Directly from Microprocessor  
so V can be created from a charge pump powered from V .  
CC  
IN  
Pinouts  
HIP5010IS1, HIP5011IS1 (SIP - VERTICAL)  
TOP VIEW  
Ordering Information  
PART  
TEMP.  
PKG.  
NO.  
o
7 PHASE  
6 V  
NUMBER RANGE ( C)  
PACKAGE  
IN  
5 PWM (HIP5010), PWM (HIP5011)  
HIP5010IS  
HIP5010IS1  
HIP5011IS  
HIP5011IS1  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
7 Ld Gullwing SIP  
Z7.05B  
4
3 V  
CC  
7 Ld Staggered Vertical SIP Z7.05C  
7 Ld Gullwing SIP Z7.05B  
7 Ld Staggered Vertical SIP Z7.05C  
2 V  
IN  
1 PHASE  
FRONT ROWS = PINS 1, 3, 5, 7  
GND (TAB)  
BACK ROWS = PINS 2, 4, 6  
Typical Application Block Diagram  
HIP5010IS, HIP5011IS (SIP - GULLWING)  
TOP VIEW  
+12V  
+5V  
V
V
IN  
7 PHASE  
6 V  
CC  
IN  
5 PWM (HIP5010), PWM (HIP5011)  
GND  
(TAB)  
4
+3.3V  
3 V  
2 V  
CC  
PWM  
CONTROLLER  
PHASE  
PWM  
CONTROL  
IN  
1 PHASE  
HIP5010  
GND  
SYNCHRONOUS RECTIFIED BUCK CONVERTER  
Pentium® is a registered trademark of Intel Corporation.  
PowerPC™ is a trademark of International Business Machines.  
SynchroFET™ is a trademark of Intersil Corporation.  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999  
2-3  

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