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ML4812IP Scheda tecnica (PDF) - Micro Linear Corporation

ML4812IP Datasheet PDF - Micro Linear Corporation
Il numero della parte ML4812IP
Scarica  ML4812IP Scarica

Grandezza file   215.75 Kbytes
Page   16 Pages
Produttore elettronici  MICRO-LINEAR [Micro Linear Corporation]
Homepage  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation
Spiegazioni elettronici Power Factor Controller

ML4812IP Datasheet (PDF)

Go To PDF Page Scarica Scheda tecnica
ML4812IP Datasheet PDF - Micro Linear Corporation

Il numero della parte ML4812IP
Scarica  ML4812IP Click to download

Grandezza file   215.75 Kbytes
Page   16 Pages
Produttore elettronici  MICRO-LINEAR [Micro Linear Corporation]
Homepage  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation
Spiegazioni elettronici Power Factor Controller

ML4812IP Scheda tecnica (HTML) - Micro Linear Corporation

Back Button ML4812IP Datasheet HTML 1Page - Micro Linear Corporation ML4812IP Datasheet HTML 2Page - Micro Linear Corporation ML4812IP Datasheet HTML 3Page - Micro Linear Corporation ML4812IP Datasheet HTML 4Page - Micro Linear Corporation ML4812IP Datasheet HTML 5Page - Micro Linear Corporation ML4812IP Datasheet HTML 6Page - Micro Linear Corporation ML4812IP Datasheet HTML 7Page - Micro Linear Corporation ML4812IP Datasheet HTML 8Page - Micro Linear Corporation ML4812IP Datasheet HTML 9Page - Micro Linear Corporation ML4812IP Datasheet HTML 10Page - Micro Linear Corporation Next Button 

ML4812IP Dettagli del prodotto

GENERAL DESCRIPTION
The ML4812 is designed to optimally facilitate a peak current control boost type power factor correction system. Special care has been taken in the design of the ML4812 to increase system noise immunity. The circuit includes a precision reference, gain modulator, error amplifier, over voltage protection, ramp compensation, as well as a high current output. In addition, start-up is simplified by an under-voltage lockout circuit with 6V hysteresis.
In a typical application, the ML4812 functions as a current mode regulator. The current which is necessary to terminate the cycle is a product of the sinusoidal line voltage times the output of the error amplifier which is regulating the output DC voltage. Ramp compensation is programmable with an external resistor, to provide stable operation when the duty cycle exceeds 50%.

FEATURES
■ Precision buffered 5V reference (±0.5%)
■ Current-input gain modulator reduces external
   components and improves noise immunity
■ Programmable ramp compensation circuit
■ 1A peak current totem-pole output drive
■ Overvoltage comparator helps prevent output
   voltage “runaway”
■ Wide common mode range in current sense
   comparators for better noise immunity
■ Large oscillator amplitude for better noise immunity




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