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LM1575/LM2575/LM2575HV Simple Switcher 1A Step Down Voltage Regulator LM2575SX-ADJ/NOPB

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LM1575/LM2575/LM2575HV Simple Switcher 1A Step Down Voltage Regulator LM2575SX-ADJ/NOPB

Model Number : LM2575SX-ADJ/NOPB

Certification : new & original

Place of Origin : original factory

MOQ : 100pcs

Price : negotiation

Payment Terms : T/T, Western Union, PayPal

Supply Ability : 6000pcs

Delivery Time : 1 day

Packaging Details : please contact me for details

Description : Buck Switching Regulator IC Positive Adjustable 1.23V 1 Output 1A TO-263-6, D²Pak (5 Leads + Tab), TO-263BA

feature 1 : 3.3V, 5V, 12V, 15V, and Adjustable Output Versions

feature 2 : Specified 1A Output Current

feature 3 : Wide Input Voltage Range, 40V up to 60V for HV Version

feature 4 : Requires Only 4 External Components

feature 5 : 52 kHz Fixed Frequency Internal Oscillator

feature 6 : TTL Shutdown Capability, Low Power Standby Mode

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FEATURES Connection Diagrams

(XX indicates output voltage option.)

• 3.3V, 5V, 12V, 15V, and Adjustable Output

Versions

• Adjustable Version Output Voltage Range,

– 1.23V to 37V (57V for HV Version) ±4%

Max Over

– Line and Load Conditions

• Specified 1A Output Current

• Wide Input Voltage Range, 40V up to 60V for

HV Version

• Requires Only 4 External Components

• 52 kHz Fixed Frequency Internal Oscillator

• TTL Shutdown Capability, Low Power Standby

Mode

• High Efficiency

• Uses Readily Available Standard Inductors

• Thermal Shutdown and Current Limit

Protection

• P + Product Enhancement Tested

APPLICATIONS

• Simple High-Efficiency Step-Down (Buck)

Regulator

• Efficient Pre-Regulator for Linear Regulators

• On-Card Switching Regulators

• Positive to Negative Converter (Buck-Boost)

DESCRIPTION

The LM2575 series of regulators are monolithic

integrated circuits that provide all the active functions

for a step-down (buck) switching regulator, capable of

driving a 1A load with excellent line and load

regulation. These devices are available in fixed output

voltages of 3.3V, 5V, 12V, 15V, and an adjustable

output version.

Requiring a minimum number of external

components, these regulators are simple to use and

include internal frequency compensation and a fixed-

frequency oscillator.

The LM2575 series offers a high-efficiency

replacement for popular three-terminal linear

regulators. It substantially reduces the size of the

heat sink, and in many cases no heat sink is

required.

A standard series of inductors optimized for use with

the LM2575 are available from several different

manufacturers. This feature greatly simplifies the

design of switch-mode power supplies.

Other features include a specified ±4% tolerance on

output voltage within specified input voltages and

output load conditions, and ±10% on the oscillator

frequency. External shutdown is included, featuring

50 μA (typical) standby current. The output switch

includes cycle-by-cycle current limiting, as well as

thermal shutdown for full protection under fault

conditions.


Product Tags:

diode rectifier circuit

      

bridge rectifier circuit

      
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