TI UCC28722DBVR
Converter Offline Flyback Topology 650Hz ~ 80kHz SOT-23-6
Marques: TI
Pièce Fabricant #: UCC28722DBVR
Fiche de données: UCC28722DBVR Fiche de données (PDF)
Colis/Caisse: SOT23-6
Statut RoHS:
État des stocks: 2950 pièces, nouveau original
type de produit: Power Supply Controllers and Monitors
Warranty: 1 Year Ovaga Warranty - Find Out More
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*Tous les prix sont en USD
Qté | Prix unitaire | Prix ext |
---|---|---|
1 | $0,382 | $0,382 |
10 | $0,308 | $3,080 |
30 | $0,271 | $8,130 |
100 | $0,238 | $23,800 |
500 | $0,229 | $114,500 |
1000 | $0,224 | $224,000 |
In Stock:2950 PCS
UCC28722DBVR Description générale
The UCC28722 flyback power supply controller provides isolated-output constant-voltage (CV) and constant-current (CC) output regulation without the use of an optical coupler. The device processes information from the primary power switch and an auxiliary flyback winding for precise control of output voltage and current.
Dynamically-controlled operating states and a tailored modulation profile support high-efficiency operation at all load levels without sacrificing output transient response.
Control algorithms in the UCC28722 device allow operating efficiencies to meet or exceed applicable standards. The output drive interfaces to a bipolar transistor power switch, enabling lower-cost converter design. Discontinuous conduction mode (DCM) with valley switching reduces switching losses, while modulation of switching frequency and primary current peak amplitude (FM and AM) keeps the conversion efficiency high across the entire load and line ranges.
The controller has a maximum switching frequency of 80 kHz and always maintains control of the peak-primary current in the transformer. Output overvoltage and overcurrent as well as input undervoltage protection features help keep primary and secondary component stresses in check. The UCC28722 also allows compensation for voltage drop in the cable to be programmed with an external resistor.
Caractéristiques
- < 50-mW No-Load Power
- Primary-Side Regulation (PSR) Eliminates Opto-
Coupler - Dynamic BJT Drive
- ± 5% Voltage and Current Regulation Across Line
and Load - 80-kHz Maximum Switching Frequency Enables
High-Power Density Charger Designs - Quasi-Resonant Valley-Switching Operation for
Highest Overall Efficiency - Wide VDD Range Allows Small Bias Capacitor
- Output Overvoltage, Low-Line, and Overcurrent
Protection Functions - Programmable Cable Compensation
- SOT23-6 Package
Caractéristiques
Paramètre | Valeur | Paramètre | Valeur |
---|---|---|---|
Control mode | Primary-side regulation | UVLO thresholds on/off (V) | 21/7.7 |
Duty cycle (max) (%) | 99 | Switching frequency (max) (kHz) | 80 |
Features | CC/CV output regulation, Cable compensation, DCM, Low power, Overcurrent protection, Primary-side regulated, Soft start | Operating temperature range (°C) | -40 to 125 |
Rating | Catalog | Device type | Controllers |
Topology | Buck, Flyback |
Expédition
Type d'expédition | Frais d'expédition | Délai de mise en œuvre | |
---|---|---|---|
DHL | $20.00-$40.00 (0.50 KG) | 2-5 jours | |
FedEx | $20.00-$40.00 (0.50 KG) | 2-5 jours | |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 jours | |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 jours | |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 jours | |
LA POSTE AÉRIENNE ENREGISTRÉE | $20.00-$40.00 (0.50 KG) | 2-5 jours |
Délai de traitement : les frais d'expédition dépendent des différentes zones et pays.
Paiement
Modalités de paiement | Frais de main | |
---|---|---|
Virement bancaire | facturer des frais bancaires de 30,00 $ US. | |
Pay Pal | facturer des frais de service de 4,0 %. | |
Carte de crédit | facturez des frais de service de 3,5%. | |
Western union | charge US.00 banking fee. | |
Paiement de Petit Montant | facturer des frais bancaires de 0,00 $ US. |
Garanties
1. Les composants électroniques que vous achetez incluent une garantie de 365 jours, nous garantissons la qualité du produit.
2. Si certains des articles que vous avez reçus ne sont pas de qualité parfaite, nous organiserons de manière responsable votre remboursement ou votre remplacement. Mais les articles doivent rester dans leur état d’origine.
Emballage
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Étape1 :Produit
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Étape2 :Emballage sous vide
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Étape3 :Sac antistatique
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Étape4 :Emballage individuel
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Étape5 :Boîtes d'emballage
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Étape6 :étiquette d'expédition à code-barres
Tous les produits seront emballés dans un sac antistatique. Expédié avec une protection antistatique ESD.
L'étiquette de l'emballage extérieur ESD utilisera les informations de notre société : numéro de pièce, marque et quantité.
Nous inspecterons toutes les marchandises avant expédition, garantirons que tous les produits sont en bon état et que les pièces sont neuves et correspondent à la fiche technique originale.
Une fois que toutes les marchandises sont garanties sans problème après l'emballage, nous les emballerons en toute sécurité et les enverrons par Global Express. Il présente une excellente résistance à la perforation et à la déchirure ainsi qu’une bonne intégrité du joint.
Points de pièce
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The UCC28722DBVR chip is a primary side regulated (PSR) flyback converter used in power supply applications. It integrates a high-voltage startup, current sense, and a 700 V power FET, eliminating the need for an optocoupler. The chip provides accurate output voltage regulation with minimal external components, reducing overall system cost and complexity. It is suitable for applications such as adapters, auxiliary power supplies, and lighting.
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Equivalent
The equivalent products of the UCC28722DBVR chip include the UCC28720DBV, UCC28721DBV, UCC28723DBVR, and UCC28724DBVR. These chips are all part of the UCC2872x family of devices and are designed for primary-side regulation PWM controllers in flyback converters. -
Features
The UCC28722DBVR is a flyback controller IC designed for isolated power supplies. It features primary-side regulation, eliminating the need for an opto-coupler feedback circuit. With added features like burst mode operation, adaptive UVLO, and thermal shutdown protection, it offers a compact and efficient solution for low-power applications. -
Pinout
The UCC28722DBVR is a voltage mode flyback controller with a pin count of 6. The functions of its pins include providing power supply (VCC), feedback control (FB), error amplifier compensation (COMP), switching node (SW), ground reference (GND), and bias connection (BIAS). -
Manufacturer
The manufacturer of the UCC28722DBVR is Texas Instruments. Texas Instruments is a semiconductor manufacturing company that designs and produces various integrated circuits, including microcontrollers, analog devices, and power management solutions for a wide range of applications. -
Application Field
The UCC28722DBVR is primarily used in power supply applications, including AC/DC converters, battery chargers, and LED lighting. Its high level of integration and advanced features make it suitable for a wide range of power supply designs in various industries. -
Package
The UCC28722DBVR chip has a SOT-23 package type, and it is in a small form factor. Its size is approximately 2.9mm x 1.6mm.
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La quantité minimum de commande commence à partir de 1 pièce.
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Les frais d'expédition internationaux les plus bas commencent à partir de 0,00 $
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Garantie de qualité de 365 jours pour tous les produits