ISL78220ANEZ Datasheet, PDF (21/22 Pages) Intersil Corporation – 6-Phase Interleaved Boost PWM Controller with Light Load Efficiency Enhancement

ISL78220
Revision History
The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to web to make sure you
have the latest revision.
DATE
REVISION
CHANGE
December 24, 2013
FN7668.3
Page 21
- 2nd line of the disclaimer changed from:
"Intersil products are manufactured, assembled and tested utilizing ISO9001 quality systems as noted"
to:
"Intersil Automotive Qualified products are manufactured, assembled and tested utilizing TS16949 quality
systems as noted"
December 5, 2012
FN7668.2
Added bulk part (ISL78220ANEZ) to “Ordering Information” table on page 4.
Added the following sentence to “Soft-Start Process for Different Modes” on page 14:
“At the beginning of soft-start, the SS pin voltage will start ramping up from a voltage equaling to FB voltage.
The soft-start period ends when the SS pin voltage reaches the lower power-good threshold that is 80% of
the lower value of VREF2 or 2V.”
In “Phase Selection” on page 12 , changed the first sentence to “The ISL78220 can work in 1, 2, 3, 4, 5 or
6-phase configuration.” Deleted the last sentence, which read “Unused current sense inputs must be left
floating.” Added “For the unused ISENxN and ISENxP, a 1kΩ resistor is recommended to connect ISENxN and
ISENxP, and connect ISENxN to VIN.”
In Table 1 on page 13, added note “Forced minimum ON pulses exists.”
June 28, 2012
FN7668.1
Update guidance for unused current sense inputs, specified normal operation with inverting MOSFET drivers,
and added pointer to ISL78220EVAL1Z evaluation board.
Changed the symbols of the main switching devices from IGBT to N-MOSFET in “Typical Application 1: 6-
Phase Synchronous Boost Converter with Sense Resistor Current Sensing” on page 5, “Typical Application 2:
6-Phase Standard Boost Converter with DCR Current Sensing” on page 6, Figure 20 on page 17 and Figure
21 on page 17
December 15, 2011 FN7688.0 Initial Release.
About Intersil
Intersil Corporation is a leader in the design and manufacture of high-performance analog, mixed-signal and power management
semiconductors. The company's products address some of the largest markets within the industrial and infrastructure, personal
computing and high-end consumer markets. For more information about Intersil, visit our website at www.intersil.com.
For the most updated datasheet, application notes, related documentation and related parts, please see the respective product
information page found at www.intersil.com. You may report errors or suggestions for improving this datasheet by visiting
www.intersil.com/en/support/ask-an-expert.html. Reliability reports are also available from our website at
http://www.intersil.com/en/support/qualandreliability.html#reliability
For additional products, see www.intersil.com/en/products.html
Intersil Automotive Qualified products are manufactured, assembled and tested utilizing TS16949 quality systems as noted
in the quality certifications found at www.intersil.com/en/support/qualandreliability.html
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time
without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be
accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third
parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
21
FN7688.3
December 24, 2013