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選取全部	屬性	值
	品牌	STMicroelectronics
	Output Voltage 1	5 V
	Product Type	Switching Regulator
	Output Current	300mA
	Mount Type	Surface
	Number of Outputs	1
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	150°C
	Number of Pins	10
	Series	L7983
	Package Type	DFN
	Width	3 mm
	Standards/Approvals	RoHS
	Depth	0.8mm
	Length	3.3mm
	Maximum Input Voltage	60V dc
	Minimum Input Voltage	60V dc

	選取全部
	品牌 STMicroelectronics
	Output Voltage 1 5 V
	Product Type Switching Regulator
	Output Current 300mA
	Mount Type Surface
	Number of Outputs 1
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 150°C
	Number of Pins 10
	Series L7983
	Package Type DFN
	Width 3 mm
	Standards/Approvals RoHS
	Depth 0.8mm
	Length 3.3mm
	Maximum Input Voltage 60V dc
	Minimum Input Voltage 60V dc

Datasheet - L7983PU50R

The soft-start time is internally fixed and the output voltage supervisor manages the reset phase for any digital load (microcontroller, FPGA, etc.).

The internal compensation network features high noise immunity, simple design and saves on the component cost.

The RST open collector output can also implement output voltage sequencing during the power-up phase.

The synchronous rectification, designed for high efficiency at medium - heavy load, and the high switching frequency capability make the size of the application compact.

Pulse-by-pulse current sensing on both power elements implements an effective constant current protection.

The soft-start time is internally fixed and the output voltage supervisor manages the reset phase for any digital load (microcontroller, FPGA, etc.).

The internal compensation network features high noise immunity, simple design and saves on the component cost.

The RST open collector output can also implement output voltage sequencing during the power-up phase.

The synchronous rectification, designed for high efficiency at medium - heavy load, and the high switching frequency capability make the size of the application compact.

Pulse-by-pulse current sensing on both power elements implements an effective constant current protection.

•3.5 V to 60 V operating input voltage

•Fixed output voltage (3.3 V and 5 V) or adjustable from 0.85 V to VIN

•300 mA DC output current

•Dynamic low consumption mode to low noise mode selection

•10 μA operating quiescent current (L7983PU33R, VIN>24 V, LCM)

•2.3 μA shutdown current

•200 kHz to 2.2 MHz programmable switching frequency

•Optional spread spectrum (dithering)

•Internal soft-start

•Enable / adjustable UVLO threshold

•Synchronization to external clock

•Internal compensation network

•Internal current limiting

•Overvoltage protection

•Output voltage sequencing

•Thermal shutdown

•Pin Count - 10L

STMicroelectronics Switching Regulator, Surface, 5 V Output Voltage 60V dc, 300 mA Output Current, 1 Outputs

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