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TPS54240DGQ
IC REG BCK SPLIT RAIL ADJ 10MSOP
- Fabricant
- Mfr. Partie #TPS54240DGQ
- Paquet HVSSOP-10
- Fiche de données
- En stock5361
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Spécifications
| Package | Bulk,Tube |
| Series | SWIFT™, Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck, Split Rail |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3.5V |
| Voltage-Input(Max) | 42V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 39V |
| Current-Output | 2.5A |
| Frequency-Switching | 100kHz ~ 2.5MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-PowerTFSOP, 10-MSOP (0.118, 3.00mm Width) |
Vue d'ensemble
Description
Key features include a fixed frequency of 100 kHz to 2.5 MHz, which allows for smaller external components and reduced board space. It also supports adjustable output voltage settings down to 0.8 V. The TPS54240DGQ incorporates internal loop compensation and features such as an enable pin, internal slow start, and over-current protection to enhance system reliability. Thermal shutdown protection is also included to prevent damage under fault conditions.
The device is offered in an 8-pin MSOP-PowerPad package, providing a balance between thermal performance and size. Its compact design, wide input range, and robust feature set make it suitable for powering a variety of electronic systems, including consumer electronics, automotive, and communications equipment.
Features
1. Wide Input Voltage Range: It supports an input voltage range from 3.5 V to 42 V, making it versatile for various applications.
2. Output Current: Delivers up to 2.5 A of continuous output current.
3. High Efficiency: Operates with high efficiency, often exceeding 90%, thanks to its 110-mΩ high-side MOSFET.
4. Adjustable Switching Frequency: The switching frequency is adjustable from 50 kHz to 2.5 MHz, allowing for flexibility in design optimization.
5. Low Dropout: Features a low dropout voltage, enhancing performance in low-input voltage applications.
6. Soft Start Feature: Includes an adjustable soft-start function to limit inrush current, providing stable power ramp-up.
7. Current Mode Control: Utilizes current-mode control for simple loop compensation and fast transient response.
8. Protection Features: Offers built-in protection mechanisms like overcurrent protection, thermal shutdown, and undervoltage lockout.
9. Small Package: Available in a compact 10-pin MSOP-PowerPAD package, saving space on PCBs.
These features make the TPS54240DGQ suitable for industrial, automotive, and consumer electronics applications.
Package
Pinout
The pins and their functions are as follows:
1. BOOT: Bootstrap capacitor connection for driving the high-side FET.
2. VIN: Input voltage supply pin.
3. EN: Enable pin to turn the device on or off.
4. RT/CLK: Internal oscillator frequency set or synchronization to external clock.
5. SYNC: Synchronization input.
6. GND: Ground reference.
7. VSENSE: Feedback pin for output voltage regulation.
8. COMP: Compensation pin for external loop compensation.
9. SW: Switch node, connected to the inductor.
10. PWRGD: Power good open-drain output.
This configuration allows the TPS54240DGQ to effectively convert a higher voltage to a lower one with controlled voltage output, suitable for various power management applications.
Manufacturer
Application
Equivalent
1. LM2596 by Texas Instruments
2. LM2678 by Texas Instruments
3. LMR33630 by Texas Instruments
4. LT1933 by Analog Devices
5. MP1584 by Monolithic Power Systems
These alternatives may have differences in specifications, so always verify compatibility with your specific 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
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