Datasheet > PI3749-X0_18

PI3749-X0_18

更新时间： 2024-11-11 01:12:11

品牌	Logo	应用领域
VICOR		/
页数	文件大小	规格书
27页	827K
描述
16V to 34VIN, 12V to 28VOUT, 240W Cool-Power ZVS Buck-Boost

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PI3749-X0_18 数据手册

Cool-Power^®

ZVS Switching Regulators

PI3749-x0

16V to 34V_IN, 12V to 28V_OUT, 240W Cool-Power ZVS Buck-Boost

Product Description

Features & Beneﬁts

• Up to 98.5% efﬁciency at 800kHz F_SW

The PI3749-x0 is high efﬁciency, wide range DC-DC ZVS

Buck-Boost regulator. This high density System-in-Package (SiP)

integrates controller, power switches, and support components.

The integration of a high performance Zero-Voltage Switching

(ZVS) topology, within the PI3749-x0, increases point of load

performance providing best in class power efﬁciency. The

PI3749-x0 requires an external inductor, resistive feedback divider

and minimal capacitors to form a complete DC-DC switching

mode buck-boost regulator.

• Up to 240W of continuous output power

(for speciﬁc conditions)

• Fast transient response

• Parallel capable with single wire current sharing

• External frequency synchronization / interleaving

• High Side Current Sense Ampliﬁer

• General Purpose Ampliﬁer

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.

• Input Over/Undervoltage Lockout (OVLO/UVLO)

• Output Overvoltage Protection (OVP)

• Overtemperature Protection (OTP)

• Fast and slow current limits

• -40°C to 115°C operating range (T_J)

• Excellent light load efﬁciency

• Optional I²C™ * functionality & programmability:

■■V_OUTmargining

■■Fault reporting

■■Enable and SYNCI pin polarity

Applications

• Computing, Communications, Industrial

• Variable output step up/down voltage regulation

Package Information

• 10mm x 14mm x 2.56mm LGA SiP

Typical Application

VIN

V_IN

VS1

VS2

VOUT

V_OUT

4.5

C_IN

C_OUT

PGND

ISP

PGND

3.5

ISN

PI3749-00

VDR

IMON

VSN

2.5

PGD

VSP

SYNCO

VDIFF

EAIN

EAO

1.5

SYNCI

TRK

COMP

SGND

V_IN(V)

Efficiency

Power Dissipation

* I²C™ is a trademark of NXP semiconductor

Cool-Power^®ZVS Switching Regulators

Page 1 of 27

Rev 2.1

09/2017

12 3 4 5 6 7...27

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