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TPS54331DDA
IC REG BUCK ADJUSTABLE 3A 8SOPWR
- Manufacturer
- Mfr. Part #TPS54331DDA
- Package HSOIC-8
- Datasheet
- In Stock3141
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Specifications
| Package | Tube |
| Series | Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3.5V |
| Voltage-Input(Max) | 28V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 25V |
| Current-Output | 3A |
| Frequency-Switching | 570kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Overview
Description
The TPS54331DDA features a fixed frequency of 570 kHz, aiding in reduced output ripple and smaller external components. It implements current mode control for simplified compensation and fast transient response. The device includes an adjustable soft-start function, overcurrent protection, and thermal shutdown to enhance reliability and protect the circuit. Its thermal pad package facilitates excellent heat dissipation.
Overall, the TPS54331DDA offers a compact, efficient solution for designers needing a reliable step-down converter with comprehensive protection features and flexibility in design.
Features
1. Input Voltage Range: It operates over a wide input voltage range from 3.5 V to 28 V, making it versatile for various applications.
2. Output Current: The converter supports up to 3 A continuous output current with efficiency up to 95%, optimizing power delivery.
3. Switching Frequency: It features a fixed switching frequency of 570 kHz, which helps in minimizing output ripple and component size.
4. Thermal Performance: The device includes thermal shutdown protection to safeguard against overheating.
5. Soft Start: It has an internal soft-start feature to prevent inrush current during startup.
6. MOSFET: The TPS54331DDA integrates a high-side MOSFET with low on-resistance, improving efficiency and reducing component count.
7. Protection Features: It incorporates features like over-current protection and under-voltage lockout to ensure reliable operation.
8. Package: It is available in an 8-pin SOIC package, which aids in compact circuit designs.
Overall, this buck converter is well-suited for applications requiring efficient step-down voltage conversion with a compact footprint.
Package
Pinout
1. BOOT (Pin 1): Bootstrap pin for connecting to a capacitor to power the high-side driver.
2. VIN (Pin 2): Input supply voltage pin for providing the input voltage to the device.
3. EN (Pin 3): Enable pin to turn the device on or off. High logic level enables the device.
4. COMP (Pin 4): Compensation pin used to stabilize the control loop with an external compensation network.
5. VSENSE (Pin 5): Feedback pin for monitoring the output voltage to regulate it accurately.
6. GND (Pin 6): Ground pin for connecting the device to the system ground.
7. PH (Pin 7): Phase node pin connected to the inductor for switching.
8. NC (Pin 8): No connect pin, typically not internally connected.
The device is commonly used in applications requiring high efficiency and compact design for power supply solutions.
Manufacturer
Application
Equivalent
1. LM2596 by Texas Instruments
2. MP1584 by Monolithic Power Systems
3. LM2576 by Texas Instruments
4. AP1509 by Diodes Incorporated
5. LMR33630 by Texas Instruments
These alternatives offer similar functionalities, but specific features and performance may vary, so checking datasheets for compatibility with your application is recommended.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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