ZL2005ALNFT1

Frequency - Switching:	200kHz ~ 2MHz
Base Part Number:	ZL2005
Supplier Device Package:	36-QFN (6x6)
Package / Case:	36-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Current Limit, Enable, Power Good, Soft Start, Tracking
Serial Interfaces:	I²C, PMBus, SMBus
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	95%
Series:	Digital-DC™
Voltage - Supply (Vcc/Vdd):	3 V ~ 5.5 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The ZL2005ALNFT1 is a DC-DC switching controller from Zetex. It is designed for high performance power management solutions typically used in notebook PCs and similar devices. It offers a wide range of features to support voltage conversion requirements such as reverse current prevention, fault recovery and power-on reset. It is easily programmable, and has an integrated oscillator for fast startup and easy external part selection.

Application Field and Working Principle

The ZL2005ALNFT1 is a DC-DC switching controller designed to be used in a wide range of applications. It is suitable for use in high performance power management solutions typically used in notebook PCs and similar devices.In these applications, the ZL2005ALNFT1 enables efficient, reliable and clean power conversion. It works by switching an upper MOSFET and a lower MOSFET alternatively in order to create a voltage conversion ratio that is proportional to the user-programmed operating current.The ZL2005ALNFT1 also offers several other features. It includes reverse current prevention, which is important for batteries, fault recovery, and power-on reset. The device is also easily programmable using a standard I2C-bus interface, allowing for external programming and adjustment. Additionally, the integrated oscillator allows for fast startup and easy external component selection.

Conclusion

The ZL2005ALNFT1 is a DC-DC switching controller from Zetex. It is designed for use in a wide range of applications, and provides efficient, reliable and clean power conversion. It has several features such as reverse current prevention, fault recovery and power-on reset. It also has an integrated oscillator for fast startup and easy external component selection. The ZL2005ALNFT1 is an excellent choice for high performance power management solutions typical of notebook PCs and similar devices.

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