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Renesas Electronics Components Datasheet

ISL62884C Datasheet

Single-Phase PWM Regulator

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DATASHEET
To request the full datasheet, please visit www.intersil.com/products/isl82884C
ISL62884C
Single-Phase PWM Regulator for IMVP-6™ Mobile CPUs
FN7591
Rev 0.00
Mar 16, 2010
The ISL62884C is a single-phase PWM buck regulator
for microprocessor core power supply. It uses an
integrated gate drivers to provide a complete solution.
The PWM modulator of ISL62884C is based on
Intersil's Robust Ripple Regulator (R3™) technology.
Compared with traditional modulators, the R3
modulator commands variable switching frequency
during load transients, achieving faster transient
response. With the same modulator, the switching
frequency is reduced at light load, increasing the
regulator efficiency.
The ISL62884C is fully compliant with IMVP-6™
specifications. It responds to DPRSLPVR signals by
entering/exiting diode emulation mode. It reports the
regulator output current through the IMON pin. It
senses the current by using either discrete resistor or
inductor DCR whose variation over-temperature can be
thermally compensated by a single NTC thermistor. It
uses differential remote voltage sensing to accurately
regulate the processor die voltage. The adaptive body
diode conduction time reduction function minimizes the
body diode conduction loss in diode emulation mode.
User-selectable overshoot reduction function offers an
option to aggressively reduce the output capacitors as
well as the option to disable it for users concerned
about increased system thermal stress.
Features
• Precision Core Voltage Regulation
- 0.5% System Accuracy Over-Temperature
- Enhanced Load Line Accuracy
• Voltage Identification Input
- 7-Bit VID Input, 0V to 1.500V in 12.5mV Steps
- Supports VID Changes On-The-Fly
• Supports Multiple Current Sensing Methods
- Lossless Inductor DCR Current Sensing
- Precision Resistor Current Sensing
• Superior Noise Immunity and Transient Response
• Current Monitor
• Differential Remote Voltage Sensing
• High Efficiency Across Entire Load Range
• Integrated Gate Driver
• Adaptive Body Diode Conduction Time Reduction
• User-selectable Overshoot Reduction Function
• Small Footprint 28 Ld 4x4 TQFN Package
• Pb-Free (RoHS Compliant)
Applications*
• Notebook Core Voltage Regulator
• Notebook GPU Voltage Regulator
Related Literature*
• See AN1545 for Evaluation Board Application Note
“ISL62884CEVAL2Z Evaluation User Guide”
Load Line Regulation
0.91
0.90
0.89
0.88
0.87
0.86
0.85
0.84
0.83
0.82
0.81
0.80
0
VIN = 19V
VIN = 12V
VIN = 8V
2 4 6 8 10 12 14 16 18 20 22
IOUT (A)
FN7591 Rev 0.00
Mar 16, 2010
Page 1 of 2


Renesas Electronics Components Datasheet

ISL62884C Datasheet

Single-Phase PWM Regulator

No Preview Available !

ISL62884C
© Copyright Intersil Americas LLC 2010. All Rights Reserved.
All trademarks and registered trademarks are the property of their respective owners.
For additional products, see www.intersil.com/en/products.html
Intersil products are manufactured, assembled and tested utilizing ISO9001 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 may modify the circuit design and/or specifications of products at any time without notice, provided that such
modification does not, in Intersil's sole judgment, affect the form, fit or function of the product. Accordingly, the reader is cautioned to verify that datasheets 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
FN7591 Rev 0.00
Mar 16, 2010
Page 2 of 2


Part Number ISL62884C
Description Single-Phase PWM Regulator
Maker Renesas
Total Page 2 Pages
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