PI3311-21-LGIZ Datasheet, PDF (1/26 Pages) Vicor Corporation – 8V to 36Vin, 15A Cool-Power ZVS Buck Regulator

Cool-Power^®
PI33XX-X1
8V to 36Vin, 15A Cool-Power ZVS Buck Regulator
Description
The PI33XX-X1 is a family of high efficiency, wide
input range DC-DC ZVS-Buck regulators integrating
controller, power switches, and support components
all within a high density System-in-Package (SiP). The
integration of a high performance Zero-Voltage
Switching (ZVS) topology, within the PI33XX-X1 series,
increases point of load performance providing best in
class power efficiency. The PI33XX-X1 requires only
an external inductor and minimal capacitors to form a
complete DC-DC switching mode buck regulator.
Device
PI3311-X1-LGIZ
PI3318-X1-LGIZ
PI3312-X1-LGIZ
PI3301-X1-LGIZ
Output Voltage
Set
Range
1.0V 1.0 to 1.4V
1.8V 1.4 to 2.0V
2.5V 2.0 to 3.1V
3.3V 2.3 to 4.1V
Iout Max
15A
15A
15A
15A
Table 1 - PI33XX-X1-X1 Portfolio.
The ZVS architecture also enables high frequency
operation while minimizing switching losses and
maximizing efficiency. The high switching frequency
operation reduces the size of the external filtering
components, improves power density, and enables
very fast dynamic response to line and load
transients. The PI33XX-X1 series sustains high
switching frequency all the way up to the rated input
voltage without sacrificing efficiency and, with its
20ns minimum on-time, supports large step down
conversions up to 36Vin.
Features
 High Efficiency ZVS-Buck Topology
 Wide input voltage range of 8V to 36V
 Very-Fast transient response
 High accuracy pre-trimmed output voltage
 User adjustable soft-start & tracking
 Power-up into pre-biased load (select versions)
 Parallel capable with single wire current sharing
 Input Over/Under Voltage Lockout (OVLO/UVLO)
 Output Overvoltage Protection (OVP)
 Over Temperature Protection (OTP)
 Fast and slow current limits
 -40°C to 125°C operating range (T_J)
 Optional I²C functionality & programmability:
 Vout margining
 Fault reporting
 Enable and SYNCI pin polarity
 Phase delay (interleaving multiple regulators)
Applications
 High efficiency systems
 Computing, Communications, Industrial,
Automotive Equipment
 High voltage battery operation
Package Information
 10mm x 14mm x 2.6mm LGA SiP
I²C is a trademark of NXP Semiconductors
vicorpower.com
800 735.6200
Rev 1.3
09/2015
Cool-Power^®
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