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ZL2103 fiches techniques PDF

Intersil Corporation - 3A Digital-DC Synchronous Step-Down DC/DC Converter

Numéro de référence ZL2103
Description 3A Digital-DC Synchronous Step-Down DC/DC Converter
Fabricant Intersil Corporation 
Logo Intersil Corporation 





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ZL2103 fiche technique
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3A Digital-DC Synchronous Step-Down DC/DC
Converter
ZL2103
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.
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 rDS(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.
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.
Features
• Integrated MOSFET switches
• 3A continuous output current
• ±1% output voltage accuracy
Snapshot™ parametric capture
• I2C/SMBus interface, PMBus compatible
• Internal non-volatile memory (NVM)
Applications*(see page 27)
• Telecom, Networking, Storage equipment
• Test and Measurement equipment
• Industrial control equipment
• 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
VOUT = 3.3V
90
80
70
60
50
VIN = 12V
fSW = 200kHz
L = 6µH
40
0.0 0.5 1.0 1.5 2.0
IOUT (A)
FIGURE 1. ZL2103 EFFICIENCY
2.5
3.0
May 3, 2011
FN6966.5
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2009-2011. All Rights Reserved
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.
Datasheet pdf - http://www.DataSheet4U.net/

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