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HIP5011 Datasheet

7V/ 17A SynchroFET Complementary Drive Synchronous Half-Bridge

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Data Sheet
HIP5010, HIP5011
March 1996 File Number 4029.5
7V, 17A SynchroFET™ Complementary
Drive Synchronous Half-Bridge
Designed with the P6 and Pentium® in mind, the Intersil
SynchroFET™ family provides a new approach for
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
the VCC, VIN, or PWM pins can be used without causing large
currents. Third, the chip operates when VCC is greater than 2V
so VCC can be created from a charge pump powered from VIN.
Pinouts
HIP5010IS1, HIP5011IS1 (SIP - VERTICAL)
TOP VIEW
GND (TAB)
7 PHASE
6 VIN
5 PWM (HIP5010), PWM (HIP5011)
4
3 VCC
2 VIN
1 PHASE
FRONT ROWS = PINS 1, 3, 5, 7
BACK ROWS = PINS 2, 4, 6
GND
(TAB)
HIP5010IS, HIP5011IS (SIP - GULLWING)
TOP VIEW
7 PHASE
6 VIN
5 PWM (HIP5010), PWM (HIP5011)
4
3 VCC
2 VIN
1 PHASE
Features
• Complementary Drive, Half-Bridge Power NMOS
• Use With Low-Cost Single-Output PWM Controllers
• Improve Efficiency Over Conventional Buck Converter with
Schottky Clamp
• 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
• PowerPCPower Supplies
• Bus Terminations (BTL and GTL)
• Drive 5V Motors Directly from Microprocessor
Ordering Information
PART
TEMP.
NUMBER RANGE (oC)
PACKAGE
PKG.
NO.
HIP5010IS
HIP5010IS1
HIP5011IS
-40 to 85
-40 to 85
-40 to 85
7 Ld Gullwing SIP
Z7.05B
7 Ld Staggered Vertical SIP Z7.05C
7 Ld Gullwing SIP
Z7.05B
HIP5011IS1 -40 to 85 7 Ld Staggered Vertical SIP Z7.05C
Typical Application Block Diagram
+12V
+5V
VCC
VIN
PWM
CONTROLLER
PWM
CONTROL
PHASE
+3.3V
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.
2-3 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


Intersil Electronic Components Datasheet

HIP5011 Datasheet

7V/ 17A SynchroFET Complementary Drive Synchronous Half-Bridge

No Preview Available !

HIP5010, HIP5011
Non-Inverting SynchroFET Block Diagram
HIP5010
VCC
DRIVER
PWM
BUFFER
VCC
ADAPTIVE
SHOOT-THROUGH
PROTECTION
DRIVER
Inverting SynchroFET Block Diagram
VCC
HIP5011
DRIVER
PWM
BUFFER
VCC
ADAPTIVE
SHOOT-THROUGH
PROTECTION
DRIVER
VIN
PHASE
GND
VIN
PHASE
GND
2-4


Part Number HIP5011
Description 7V/ 17A SynchroFET Complementary Drive Synchronous Half-Bridge
Maker Intersil Corporation
Total Page 6 Pages
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