L5985TR Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	L5985
Supplier Device Package:	8-VFQFPN (3x3)
Package / Case:	8-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	250kHz ~ 1MHz
Current - Output:	2A
Voltage - Output (Max):	18V
Series:	--
Voltage - Input (Max):	18V
Voltage - Input (Min):	2.9V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - DC DC Switching Regulators

DC to DC switching regulators are electronic components that are used to convert one DC (Direct Current) voltage level to another. The L5985TR is a DC to DC switching regulator part of this type.The L5985TR is a highly integrated DC/DC switching regulator with an output switch in integrated circuit (IC). It is designed as a high-performance, low-cost and precision current-mode switching regulator for battery-powered and other low-voltage applications. It is optimized for small size and requires minimal external components for operation. It integrates a 300 mA high-side power switch with control and protection features. The integrated switch offers high efficiency (94-97%), fast transient response, low on-resistance, and fixed frequency operation. The L5985TR has one primary feedback pin and one secondary input pin. The primary feedback pin is used to control the voltage output while the secondary input pin is used to configure the operating frequency. The L5985TR can also be used in synchronous buck (step-down) or boost (step-up) applications to provide adjustable output voltage and current.The L5985TR can be used in a wide range of applications such as battery powered systems, portable electronic devices, and system power supplies. It is well-suited for powering microprocessors, controllers and other low voltage integrated circuits (ICs).The L5985TR has a wide input voltage range of 1.8V to 5.5V, which makes it suitable for applications with limited input voltage availability. It also has an output voltage range of 0.6V-5V. Furthermore, it has a protection feature that can limit the maximum current and prevent over-current damage to the device.The working principle of the L5985TR is simple. When the power supply input voltage is lower than the regulated output voltage, the device switches to a push-pull configuration where the output switch is connected to the input source to draw current. Said source is then switched off, thus regulating the output voltage.The L5985TR has several safety and operational features. As with most other power supplies, the L5985TR has an over-temperature and over-current protection. It also has a wide input voltage range, high integration level and efficient performance.In conclusion, the L5985TR DC/DC switching regulator is a versatile and economical solution for power supply needs. With its wide operating temperature range, wide input voltage range, high integration level and efficient performance, the L5985TR is ideal for applications that require precision power supply for a wide range of components. The device’s advantages include its precise current-mode control, fast transient response, advanced protection features and low cost.

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