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HIP5015IS

更新时间: 2024-11-15 22:33:59
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6页 42K
描述
7V, 7A SynchroFET⑩ Complementary Drive Synchronous Half-Bridge

HIP5015IS 数据手册

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HIP5015, HIP5016  
Data Sheet  
June 1996  
File Number 4142  
7V, 7A SynchroFET™ Complementary  
Drive Synchronous Half-Bridge  
Features  
• Complementary Drive, Half-Bridge Power NMOS  
• Use With Low-Cost Single-Output PWM Controllers  
Designed with the Pentium® in mind, the Intersil SynchroFET  
family provides a new approach for implementing a  
• Improve Efficiency Over Conventional Buck Converter with  
Schottky Clamp  
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 HIP5016 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  
• 3.3V to 2.9V Synchronous Buck Converters  
• Pentium Power Supplies  
the V , V , or PWM pins can be used without causing large  
CC IN  
currents. Third, the chip operates when V is greater than 2V  
CC  
so V can be created from a charge pump powered from V .  
• Bus Terminations (BTL and GTL)  
• Drive 5V Motors Directly from Microprocessor  
CC  
IN  
Ordering Information  
Typical Application Block Diagram  
TEMP.  
PKG.  
NO.  
o
PART NUMBER RANGE ( C)  
PACKAGE  
7 Ld Gullwing SIP Z7.05B  
+12V  
+5V  
HIP5015IS  
-40 to 85  
-40 to 85  
V
V
IN  
CC  
HIP5015IS1  
7 Ld Staggered  
Vertical SIP  
Z7.05C  
+3.3V  
HIP5016IS  
-40 to 85  
-40 to 85  
7 Ld Gullwing SIP Z7.05B  
PWM  
CONTROLLER  
PHASE  
PWM  
CONTROL  
HIP5016IS1  
7 Ld Staggered  
Vertical SIP  
Z7.05C  
HIP5015  
GND  
SYNCHRONOUS RECTIFIED BUCK CONVERTER  
Pinouts  
HIP5015IS1, HIP5016IS1 (SIP - VERTICAL)  
HIP5015IS, HIP5016IS (SIP - GULLWING)  
TOP VIEW  
TOP VIEW  
7 NC  
6 NC  
7 NC  
6 NC  
5 PWM (HIP5015), PWM (HIP5016)  
4 GND  
5 PWM (HIP5015), PWM (HIP5016)  
4
GND  
(TAB)  
3 V  
CC  
3 V  
CC  
2 V  
IN  
2 V  
IN  
1 PHASE  
FRONT ROWS = PINS 1,3,5,7  
BACK ROWS = PINS 2,4,6  
1 PHASE  
GND (TAB)  
Pentium® is a registered trademark of Intel Corporation.  
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  
2-8  

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