Datasheet > ZL2103

ZL2103

更新时间： 2024-09-21 07:44:43

品牌	Logo	应用领域
英特矽尔 - INTERSIL		转换器
页数	文件大小	规格书
28页	926K
描述
3A Digital-DC Synchronous Step-Down DC/DC Converter

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ZL2103 数据手册

3A Digital-DC Synchronous Step-Down DC/DC

Converter

ZL2103

Features

The ZL2103 is an innovative power conversion and

management IC that combines an integrated synchronous

step-down DC/DC converter with key power management

functions in a small package, resulting in a flexible and

integrated solution.

• Integrated MOSFET switches

• 3A continuous output current

• ±1% output voltage accuracy

• Snapshot™ parametric capture

• I²C/SMBus interface, PMBus compatible

• Internal non-volatile memory (NVM)

The ZL2103 can provide an output voltage from 0.54V to 5.5V

(with margin) from an input voltage between 4.5V and 14V.

Internal low r_DS(ON)synchronous power MOSFETs enable the

ZL2103 to deliver continuous loads up to 3A with high

efficiency. An internal Schottky bootstrap diode reduces

discrete component count. The ZL2103 also supports phase

spreading to reduce system input capacitance.

Applications*(see page 27)

• Telecom, Networking, Storage equipment

• Test and Measurement equipment

• Industrial control equipment

Power management features such as digital soft-start delay

and ramp, sequencing, tracking, and margining can be

configured by simple pin-strapping or through an on-chip serial

port. The ZL2103 uses the PMBus™ protocol for

communication with a host controller and the Digital-DC bus

for interoperability between other Zilker Labs devices.

• 5V and 12V distributed power systems

Related Literature

• See AN2010 “Thermal and Layout Guidelines for Digital-

DC™ Products”

• See AN2033 “Zilker Labs PMBus Command Set-DDC

Products PMBus Command Set”

• See AN2035 “Compensation Using CompZL™”

100

= 3.3V

OUT

= 12V

= 200kHz

L = 6µH

0.0

0.5

1.0

1.5

2.0

2.5

3.0

(A)

OUT

FIGURE 1. ZL2103 EFFICIENCY

May 3, 2011

FN6966.5

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

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