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ZL2103

Renesas
Part Number ZL2103
Manufacturer Renesas
Description 3A Digital-DC Synchronous Step-Down DC/DC Converter
Published Jun 3, 2020
Detailed Description ZL2103 NOT RECOMMENDED FOR NEW DESIGNS RECOMMENDED REPLACEMENT PART ZL2102 3A Digital-DC Synchronous Step-Down DC/DC C...
Datasheet PDF File ZL2103 PDF File

ZL2103
ZL2103

Overview
ZL2103 NOT RECOMMENDED FOR NEW DESIGNS RECOMMENDED REPLACEMENT PART ZL2102 3A Digital-DC Synchronous Step-Down DC/DC Converter DATASHEET FN6966 Rev 5.
00 May 3, 2011 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 DigitalDC™ Products” • See AN2033 “Zilker Labs PMBus Command Set-DDC Products PMBus Command Set” • See AN2035 “Compensation Using CompZL™” EFFICIENCY (%) 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 FN6966 Rev 5.
00 May 3, 2011 Page 1 of 28 ZL2103 Typical Application Circuit The following application circuit represents a ...


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