L4971D013TR - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

L4971D013TR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW14925740
Category

Voltage Regulator
Package

SO-Wide-16
Description

Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 16Pin SO W T/R
Documentation

Datasheet

L4971D013TR Global Supplier

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L4971D013TR Specifications

Attribute	Attribute Value

Part Number	L4971D013TR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW14925740
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SO-Wide-16
Number of Outputs	1 Output
Output Voltage	3.3V ~ 50V
Output Current	1.5 A
Number of Positions	16 Position
Power Dissipation	800 mW
Quiescent Current	4 mA
Switching Frequency	300 kHz
Topology	Buck
Input Voltage (Max)	55 V
Input Voltage (Min)	8 V
Output Voltage (Max)	50 V
Output Voltage (Min)	3.3 V
Output Current (Max)	1.5 A
Output Current (Min)	200 mA
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	8 V
Supply Voltage (Min)	8 V
Input Voltage	8V ~ 55V
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Size-Length	10.5 mm
Size-Width	7.6 mm
Size-Height	2.35 mm
Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
ECCN Code	EAR99

Product Description

The L4971D013TR is a step-down monolithic power Switching Regulator delivering 1.5A at a voltage between 3.3 and 50V (selected by a simple external divider). Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typical Rdson of 0.25R) to obtain very high efficiency and high switching speed. A switching frequency up to 300kHz is achievable. A wide input voltage range between 8 to 55V and output voltages regulated from 3.3 to 50V cover the majority of today"s applications. Features of this new generation of DC-to-DC converter include pulse-by-pulse current limit, hiccup mode for short-circuit protection, voltage feed-forward regulation, soft-start, protection against feedback loop disconnection, inhibit for zero current consumption and thermal shutdown.
Protection against feedback disconnection
Inhibit for zero current consumption
Soft-start function
Zero load current operation
Precise 3.3V (±1%) internal reference voltage
Internal current limiting (pulse-by pulse and hiccup mode)

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