Introducing the ZL8800 from Intersil, a Dual Channel/Dual Phase controller that utilizes a ChargeMode™ control loop technology to deliver fast transient response without the need for compensation, reducing design time. It provides best-in-class transient response for digital Point of Loads (POLs), saving on output capacitance and board space, important benefits for the advanced power systems found in the latest generation of base-stations, routers, and similar infrastructure designs. ZL8800’s compensation free control loop and high integration simplifies design, reducing risk, cost and footprint, extending intersil’s leading-edge digital power platform.
The ZL8800’s dual output or dual phase digital DC/DC controller allows each output to be operated independently or be used together in a dual phase configuration for high current applications and supports a wide range of output voltages (0.54V to 5.5V) operating from input voltages as low as 4.5V up to 14V.
With the fully digital ChargeMode™ Control the ZL8800 will respond to a transient load step within a single switching cycle. This unique compensation-free modulation technique allows designs to meet transient specifications with minimum output capacitance thus saving cost and board space.
Utilising Intersil’s proprietary single wire DDC (Digital-DC) serial bus the ZL8800 is able to communicate between other Intersil ICs. By using the DDC, the ZL8800 achieves complex functions such as inter-IC phase current balancing, sequencing, and fault spreading, eliminating complicated power supply managers with numerous external discrete components.
The ZL8800 features cycle by cycle output overcurrent protection. The input voltage, output voltages and DrMOS/MOSFET driver supply voltages are overvoltage and overvoltage protected. Two external and one internal temperature sensors are available for temperature monitoring, one of which is used for under and over-temperature protection. A snapshot parametric capture feature allows users to take a snapshot of operating and fault data during normal or fault conditions. Integrated Low Drop-Out (LDO) regulators allow the ZL8800 to be operated from a single input supply eliminating the need for additional linear regulators. The LDO output can be used to power external drivers or DrMOS devices.
Click on the video below for an overview of the ZL8800’s key features
The ZL8800 is suitable for use in a wide range of demanding applications including Servers & Storage equipment, Datacom equipment and high end Power supplies used in high speed data processing products.
Two Demonstration boards are available for the ZL8800 for 2 Channel mode (ZL880-2CH-DEMO1Z) or 2 Phase mode (ZL880-2PH-DEMO1Z) use. The ZL8800 is also supported in the latest version of Intersil’s Power Navigator software which helps engineers quickly integrate the product into a design saving valuable time, click here to download for FREE now.
Anglia are offering customers FREE Demonstration boards for the ZL8800 DC/DC Digital Controller from Intersil, please fill in the form below to request yours now.
FREE samples for UK and Ireland customers only, subject to availability.
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