köpa onsemi (Ansemi) CS51021AEDR16G Buck-Boost 7.7V~20V 1MHz Enhanced Current Mode PWM Controller for Forward or Flyback (36-72 V Telecom)

onsemi (Ansemi)

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CS51021AEDR16G

Buck-Boost 7.7V~20V 1MHz Enhanced Current Mode PWM Controller for Forward or Flyback (36-72 V Telecom)

Artikelnummer

CS51021AEDR16G

Kategori

Power chip > DC-DC control chip

Tillverkare/varumärke

onsemi (Ansemi)

Inkapsling

SOIC-16

Förpackning

taping

Antal paket

2500

Beskrivning

The CS51021 family of fixed-frequency PWM current-mode controllers provides all the necessary functions required for AC-DC or DC-DC primary-side control. It includes several functions that can be implemented externally without the use of add-ons. In addition to low start-up current (75 µA) and high-frequency operation, the enhanced current-mode PWM controller includes overvoltage and undervoltage monitoring, externally programmable dual-threshold overcurrent protection, current-sensing leading-edge spacing, current slope compensation, Accurate duty cycle control, and an externally available 5.0 V voltage reference. The CS51021A features bi-directional synchronization, while the CS51022A sleep mode has a maximum IC current consumption of 100 µA. The CS51021A/2A enhanced current-mode PWM controllers feature SOIC-16 or TSSOP-16 lead encapsulation.

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