Frequency - Switching:	200kHz ~ 1.4MHz
Base Part Number:	ZL6105
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 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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The ZL6105ALAFTK is a voltage regulator belong to the family of DC DC Switching Controllers. This is a highly integrated device designed to provide regulated voltages up to 1.5V from a wide range of input sources. The device is suitable for regulating point of load applications where high conversions efficiency and regulation stability is of utmost importance.The ZL6105ALAFTK is a low noise, synchronous buck controller that can handle up to several amperes of output current. It can be used in various applications such as portable computers, tablets, power adapters and other electronic devices. It is capable of providing continuous current flow and capable of providing low ripple noise at full load conditions. The device "soft start" sequence during start-up ensures stable regulation during light loads.This voltage regulator is designed to be used with an external power MOSFET and a bootstrap capacitor. An external resistor and an inductor are also required to complete a complete and efficient power conversion design. The ZL6105ALAFTK is based on a quasi-resonant Quasi-Resonant mode, which allows for a wide input voltage range, low switching losses and high efficiency of output power. This mode also minimizes EMI radiation.The ZL6105ALAFTK features a precise voltage regulation and current protection functions to ensure precise, accurate and reliable regulation. It has a built-in low side MOSFET current sense circuit and a voltage feedback loop that is configurable for either voltage-mode or phase-mode operation. The device also includes a slew rate control circuit, which allows the user to adjust the transition speeds between high and low frequency of operation.The ZL6105ALAFTK is also equipped with protection functions to ensure safe operation during power up, over-current, over temperature and short circuit conditions. With a complete range of safety functions and a high-reliability package, the ZL6105ALAFTK provides an ideal solution for regulating output voltages in various electronic devices.

ZL6105ALAFTK application field and working principle

The ZL6105ALAFTK is a voltage regulator belong to the family of DC DC Switching Controllers. This is a highly integrated device designed to provide regulated voltages up to 1.5V from a wide range of input sources. The device is suitable for regulating point of load applications where high conversions efficiency and regulation stability is of utmost importance.

The ZL6105ALAFTK is a low noise, synchronous buck controller that can handle up to several amperes of output current. It can be used in various applications such as portable computers, tablets, power adapters and other electronic devices. It is capable of providing continuous current flow and capable of providing low ripple noise at full load conditions. The device "soft start" sequence during start-up ensures stable regulation during light loads.

This voltage regulator is designed to be used with an external power MOSFET and a bootstrap capacitor. An external resistor and an inductor are also required to complete a complete and efficient power conversion design. The ZL6105ALAFTK is based on a quasi-resonant Quasi-Resonant mode, which allows for a wide input voltage range, low switching losses and high efficiency of output power. This mode also minimizes EMI radiation.

The ZL6105ALAFTK features a precise voltage regulation and current protection functions to ensure precise, accurate and reliable regulation. It has a built-in low side MOSFET current sense circuit and a voltage feedback loop that is configurable for either voltage-mode or phase-mode operation. The device also includes a slew rate control circuit, which allows the user to adjust the transition speeds between high and low frequency of operation.

The ZL6105ALAFTK is also equipped with protection functions to ensure safe operation during power up, over-current, over temperature and short circuit conditions. With a complete range of safety functions and a high-reliability package, the ZL6105ALAFTK provides an ideal solution for regulating output voltages in various electronic devices.

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