HANSCHIP semiconductor

LM2576DE-3.3RG

Buck Switching Regulator IC Fixed 3.3V 3A ESOP-8

ESOP-8ROHS CompliantActive

3A switching step-down voltage regulator

Manufacturer: HANSCHIP semiconductor
Manufacturer part #: LM2576DE-3.3RG
Store part #: C46055779
Package / case: ESOP-8
Category: Voltage Regulators - DC DC Switching Regulators
Packaging: Tape & Reel (TR)

Datasheet (PDF)

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2,495 in stock

#C46055779

Stock & price checked 22 h ago

Quantity	Unit price	Pack price
1+	₹42.38	₹42.38
10+	₹37.06	₹370.60
30+	₹34.72	₹1,041.60
100+	₹31.95	₹3,195.00
500+	₹30.67	₹15,335.00
1,000+	₹29.82	₹29,820.00

Quantity (min 1)

1 × ₹42.38

₹42.38

excl. GST

₹50.01 incl. 18% GST

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Standard pack: 2,500 per reel

LM2576DE-3.3RG

₹42.38 for 1 + GST

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Specifications

Operating Temperature: -40℃~+125℃@(TA)
Number of Outputs: 1
Function: Step-down type
Frequency - Switching: 52kHz
Features: Cycle-by-cycle current limiting;Overcurrent Protection
Output Type: Fixed
Topology: Buck
Operating Voltage: 6V~40V
Switch tube (built-in/external): Built-in
Output Voltage: 3.3V
Output Current: 3A
Quiescent Current: 5mA

Packaging & compliance

RoHS: ROHS Compliant
Lifecycle: Active
Moisture sensitivity: MSL 3 (168 hours)
Packaging: Tape & Reel (TR)
Standard pack: 2,500 / Reel
Sold per: Piece
Minimum order: 1
Unit weight: 0.183 g

Overview

This series of voltage regulators are monolithic ICs that provide all the functions of a buck switching regulator, capable of driving 3A loads with excellent line and load regulation. These devices are available in fixed output voltage versions of 3.3V, 5V, 12V, and 15V, as well as an adjustable output voltage version. The internally integrated frequency compensation and fixed-frequency oscillator minimize external component count and simplify design. Compared to conventional three-terminal linear regulators, this series offers significantly improved efficiency and serves as an ideal replacement, typically requiring no external heatsink or only a minimal one. Standard inductors optimized for this series are available from multiple suppliers, greatly simplifying switching power supply design. Additional features include: guaranteed output voltage accuracy within ±4% and oscillator frequency accuracy within ±10% under specified input voltage and output load conditions. An external shutdown circuit supports standby mode with a typical standby current of 50μA. The output switch incorporates cycle-by-cycle current limiting and thermal shutdown for comprehensive protection under fault conditions.

Applications

Simple, high-efficiency buck regulator
High-efficiency pre-regulator for linear regulators
On-board switching regulator
Positive-to-negative voltage converter
Negative voltage boost converter
Battery charger power supply

Key features

Fixed output voltage options: 3.3V, 5V, 12V, 15V, and adjustable output versions
Adjustable output models: output voltage range 1.23V to 37V (52V for HV models) under specified line and load conditions, max error ±4%
Guaranteed 3A output current capability
Wide input voltage range: 40V (55V for HV models)
Only 4 external components required
52kHz fixed-frequency internal oscillator
TTL-level shutdown with low-power standby mode
High efficiency
Compatible with standard off-the-shelf inductors
Thermal shutdown and current limiting protection

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