Les images sont à titre de référence seulement
TL3845BDR-8
IC REG CTRLR MULT TOPOLOGY 8SOIC
- Fabricant
- Mfr. Partie #TL3845BDR-8
- Paquet SOIC (D)-8
- Fiche de données TL3845BDR-8 DataSheet
- En stock6138
100% original & Nouveau
24 heures prêtes à expédier
Garantie 365 jours
RFQ et Obtenez plus de rabais
Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Boost, Flyback, Forward Converter |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 7.6V ~ 30V |
| Frequency-Switching | 100kHz |
| DutyCycle(Max) | 48% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Frequency Control |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Vue d'ensemble
Description
The device integrates essential protection features such as overcurrent protection and undervoltage lockout, which safeguard the system against potential faults. It operates at a fixed frequency, optimizing it for noise-sensitive applications. The TL3845BDR-8's compact form factor and low power consumption make it ideal for use in space-constrained environments.
Overall, the TL3845BDR-8 is a reliable solution for designers looking to implement efficient and robust power management systems in electronic devices.
Features
1. Current-Mode Control: Facilitates simple loop compensation and improved transient response.
2. Wide Supply Voltage Range: Operates across various input voltages, enhancing versatility in different applications.
3. Low Start-up Current: Minimizes power consumption during start-up, improving overall efficiency.
4. Oscillator for Precise Frequency Control: Incorporates a trimmed oscillator for accurate control of the switching frequency.
5. Undervoltage Lockout (UVLO): Offers two levels of UVLO thresholds to enhance fault protection.
6. High-Current Totem-Pole Output: Provides rapid switching of power MOSFETs.
7. Short-Circuit Protection: Features cycle-by-cycle current limiting for enhanced safety and reliability.
8. Soft Start Capability: Provides controlled ramp-up of output voltage to prevent inrush current at start-up.
The TL3845BDR-8 is commonly used in power supply design, offering reliable performance for efficient power conversion. Its compact size in a surface-mount package also aids in high-density designs.
Package
Pinout
1. Compensation (COMP): Error amplifier output. Used for loop compensation.
2. Voltage Feedback (VFB): Inverting input to the error amplifier. Used for voltage feedback.
3. Current Sense (CS): Monitors the switch current for current mode control and overcurrent protection.
4. RT/CT: Timing resistor and capacitor input for setting oscillator frequency.
5. Ground (GND): Ground reference for the IC.
6. Output (OUT): Provides the drive signal for the external power MOSFET.
7. VCC: Supply voltage input.
8. VREF: Reference voltage output. Provides a stable reference for internal circuits and can be used externally.
The TL3845BDR-8 is commonly used for PWM control in applications requiring high efficiency and reliability.
Manufacturer
Application
Equivalent
1. UC3845 - Texas Instruments
2. NCP3845 - ON Semiconductor
3. KA3845 - Fairchild Semiconductor (now part of ON Semiconductor)
4. MC3845 - STMicroelectronics
5. SG3845 - Microsemi
These alternatives offer similar functionality and are used in PWM control applications. Always verify specifications and compatibility with your application requirements.
Expédition
Méthodes d'expéditionNous
offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.
Référence des frais d'expédition (DHL/FedEx):
DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.
FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.
Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.
Paiements
Payment Methods
Le terme de paiement est 100% prépayé.
Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:
1. PayPal
2. Carte de crédit/débit
3. Transfert bancaire
Similaire
-
MX25R8035FM1IL0
Macronix
-
MX25L3233FZBI-08Q
Macronix
-
MX25V2033FM1I
Macronix
-
MX25V16066M1I02
Macronix
-
MX30LF2G28AD-TI
Macronix
-
MX29GL512FHXFI-11..
Macronix
-
MX25U51279GXDR00
Macronix
-
MX25V1635FM2I
Macronix
-
MX25L12833FZNI-10..
Macronix
-
MX29LV160DTTI-70G
Macronix
-
MX25L25645GXDI-08..
Macronix
-
MX29F800CBTI-70G
Macronix