GREENMICRO

LM2576S-ADJTO

Step-down type 52kHz Adjustable 1.23V~37V 3A TO-263-5 Voltage Regulators - DC DC Switching Regulators

TO-263-5RoHSActive

Manufacturer: GREENMICRO
Manufacturer part #: LM2576S-ADJTO
Store part #: C51820292
Package / case: TO-263-5
Category: Voltage Regulators - DC DC Switching Regulators
Packaging: Tape & Reel (TR)

Datasheet (PDF)

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1,175 in stock

#C51820292

Stock & price checked 3 days ago

Quantity	Unit price	Pack price
5+	₹35.07	₹175.35
50+	₹27.39	₹1,369.50
150+	₹24.09	₹3,613.50
500+	₹19.99	₹9,995.00
2,500+	₹18.15	₹45,375.00
5,000+	₹17.07	₹85,350.00

Quantity (min 5, multiples of 5)

5 × ₹35.07

₹175.35

excl. GST

₹206.91 incl. 18% GST

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Dispatch in 15-18 working days
GST invoice with every order
Standard pack: 500 per reel

LM2576S-ADJTO

₹175.35 for 5 + GST

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Specifications

Operating Temperature: -40℃~+125℃@(TJ)
Function: Step-down type
Frequency - Switching: 52kHz
Number of Outputs: 1
Features: Overcurrent Protection
Output Type: Adjustable
Topology: Buck
Operating Voltage: 4.5V~40V
Switch tube (built-in/external): Built-in
Output Voltage: 1.23V~37V
Output Current: 3A
Quiescent Current: 2mA

Packaging & compliance

RoHS: RoHS
Lifecycle: Active
Packaging: Tape & Reel (TR)
Standard pack: 500 / Reel
Sold per: Piece
Minimum order: 5 (multiples of 5)
Unit weight: 2.342 g

Overview

LM2576 is a high-efficiency step-down DC-DC converter with a fixed 52KHz switching frequency, capable of delivering up to 3A output current. The device features low ripple, excellent line regulation, and load regulation. An integrated fixed-frequency oscillator and frequency compensation circuit simplify external circuit design. The PWM control loop enables linear duty cycle adjustment from 0% to 100%. The device also incorporates an enable function, output overcurrent protection, and thermal shutdown protection. The internal compensation module helps minimize the number of required external components.

Applications

LCD TVs and displays
Digital photo frames
Set-top boxes
Routers
Communication equipment power supply

Key features

4.5V to 40V wide input voltage range
Output voltage adjustable from 1.23V to 37V
1.5V minimum dropout voltage
3A maximum switch current
High efficiency
TTL shutdown via enable pin
Built-in thermal shutdown
Fixed 5V, 12V and adjustable output versions available
100% maximum duty cycle
Fixed 52KHz switching frequency
Built-in power transistor
Excellent line and load regulation
Enable pin with hysteresis

Alternatives

Similar parts — check the datasheet before substituting.

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