L4971D

300kHz Step-down type Adjustable 3.3V~50V 1.5A SO-16-300mil Voltage Regulators - DC DC Switching Regulators RoHS

SO-16-300milROHS3 CompliantActive

Manufacturer: ST
Manufacturer part #: L4971D
Store part #: C1355738
Package / case: SO-16-300mil
Category: Voltage Regulators - DC DC Switching Regulators
Packaging: Tube-packed

Datasheet (PDF)

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2 in stock

#C1355738

Stock & price checked 3 days ago

Quantity	Unit price	Pack price
1+	₹667.94	₹667.94
10+	₹652.21	₹6,522.10
30+	₹641.88	₹19,256.40
100+	₹631.34	₹63,134.00

Quantity (min 1)

1 × ₹667.94

₹667.94

excl. GST

₹788.17 incl. 18% GST

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Standard pack: 49 per tube

L4971D

₹667.94 for 1 + GST

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Specifications

Operating Temperature: -40℃~+150℃@(TJ)
Frequency - Switching: 300kHz
Function: Step-down type
Number of Outputs: 1
Features: Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start
Output Type: Adjustable
Topology: Buck
Operating Voltage: 8V~55V
Switch tube (built-in/external): Built-in
Output Voltage: 3.3V~50V
Output Current: 1.5A
Quiescent Current: 4mA

Packaging & compliance

RoHS: ROHS3 Compliant
Lifecycle: Active
ECCN: EAR99
Packaging: Tube-packed
Standard pack: 49 / Tube
Sold per: Piece
Minimum order: 1
Unit weight: 11.4 g

Overview

The L4971 is a step down monolithic power switching regulator delivering 1.5A at a voltage between 3.3V 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 0.25Ω) to obtain very high efficency and high switching speed. A switching frequency up to 300KHz is achievable (the maximum power dissipation of the packages must be observed). A wide input voltage range between 8V to 55V and output voltages regulated from 3.3V to 50V cover the majority of today’s applications. Features of this new generations of DC-DC converter include pulse-by-pulse current limit, hiccup mode for short circuit protection, voltage feedforward regulation, soft-start, protection against feedback loop disconnection, inhibit for zero current consumption and thermal shutdown. The device is available in plastic dual in line, DIP8 for standard assembly, and SO16W for SMD assembly.