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SG2525AP013TR Fiches technique (PDF) - STMicroelectronics

SG2525AP013TR Datasheet PDF - STMicroelectronics
No de pièce SG2525AP013TR
Télécharger  SG2525AP013TR Télécharger

Taille du fichier   939.46 Kbytes
Page   12 Pages
Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description REGULATING PULSE WIDTH MODULATORS

SG2525AP013TR Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
SG2525AP013TR Datasheet PDF - STMicroelectronics

No de pièce SG2525AP013TR
Télécharger  SG2525AP013TR Click to download

Taille du fichier   939.46 Kbytes
Page   12 Pages
Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description REGULATING PULSE WIDTH MODULATORS

SG2525AP013TR Fiches technique (HTML) - STMicroelectronics

Back Button SG2525AP013TR Datasheet HTML 1Page - STMicroelectronics SG2525AP013TR Datasheet HTML 2Page - STMicroelectronics SG2525AP013TR Datasheet HTML 3Page - STMicroelectronics SG2525AP013TR Datasheet HTML 4Page - STMicroelectronics SG2525AP013TR Datasheet HTML 5Page - STMicroelectronics SG2525AP013TR Datasheet HTML 6Page - STMicroelectronics SG2525AP013TR Datasheet HTML 7Page - STMicroelectronics SG2525AP013TR Datasheet HTML 8Page - STMicroelectronics SG2525AP013TR Datasheet HTML 9Page - STMicroelectronics SG2525AP013TR Datasheet HTML 10Page - STMicroelectronics Next Button 

SG2525AP013TR Détails du produit

DESCRIPTION
The SG3525Aseries of pulse width modulator integrated circuits are designed to offer improved performance and lowered external parts count when used in designing all types of switching power supplies. The on-chip + 5.1 V reference is trimmed to ± 1 % and the input common-mode range of the error amplifier includes the reference voltage eliminating external resistors. A sync input to the oscillator allows multiple units to be slaved or a single unit to be synchronized to an external system clock. A single resistor between the CT and the discharge terminals provide a wide range of dead time adjustment. These devices also feature built-in soft-start circuitry with only an external timing capacitor required. A shutdown terminal controls both the soft-start circuity and the output stages, providing instantaneous turn off through the PWM latch with pulsed shutdown, as well as soft-start recycle with longer shutdown commands. These functions are also controlled by an under voltage lockout which keeps the outputs off and the soft-start capacitor discharged for sub-normal input voltages. This lockout circuitry includesapproximately500 mV of hysteresis for jitter free operation. Another feature of these PWM circuits is a latch following the comparator. Once a PWM pulses has been terminated for any reason, the outputs will remain off for the duration of the period. The latch is reset with each clock pulse. The output stages are totem-pole designs capable of sourcing or sinking in excess of 200 mA. The SG3525AoutputstagefeaturesNOR logic, giving a LOW output for an OFF state.

■ 8 TO 35 V OPERATION
■ 5.1 V REFERENCE TRIMMED TO ± 1 %
■ 100 Hz TO 500 KHz OSCILLATORRANGE
■ SEPARATE OSCILLATORSYNC TERMINAL
■ ADJUSTABLE DEADTIME CONTROL
■ INTERNAL SOFT-START
■ PULSE-BY-PULSESHUTDOWN
■ INPUT UNDERVOLTAGE LOCKOUT WITH HYSTERESIS
■ LATCHING PWM TO PREVENT MULTIPLE PULSES
■ DUAL SOURCE/SINK OUTPUT DRIVERS




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À propos de STMicroelectronics


Stmicroelectronics est un fabricant multinational d'électronique et de semi-conducteurs basé à Genève, en Suisse.

La société propose une large gamme de produits, notamment des microcontrôleurs, des capteurs, des amplificateurs de puissance et des circuits intégrés pour diverses applications sur les marchés automobiles, industriels et consommateurs.

Fondée en 1987, Stmicroelectronics a des opérations dans plus de 100 pays et est l'une des plus grandes sociétés de semi-conducteurs au monde.

*Ces informations sont fournies à titre informatif uniquement, nous ne serons pas responsables des pertes ou dommages causés par les informations ci-dessus.




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