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TPS54329DDAR
IC REG BUCK ADJUSTABLE 3A 8SOPWR
- Manufacturer
- Mfr. Part #TPS54329DDAR
- Package HSOP-8
- Datasheet
- In Stock2032
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Specifications
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | D-CAP2™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.76V |
| Voltage-Output(Max) | 7V |
| Current-Output | 3A |
| Frequency-Switching | 650kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Overview
Description
Key features of the TPS54329DDAR include a fixed-frequency operation at 700 kHz, an internal compensation to simplify the design process, and a low-power mode for light-load efficiency. It also offers precise control over output voltage with an adjustable output range between 0.8V and near input voltage. The converter integrates robust protection features like current limiting, thermal shutdown, and undervoltage lockout to ensure reliability and safety.
Packaged in a small, thermally enhanced SO-8 package, the TPS54329DDAR is designed for easy implementation in space-constrained applications. Its efficiency, compactness, and flexibility make it a popular choice among engineers designing power supply solutions.
Features
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 18V, making it versatile for various power supply applications.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Efficiency: High efficiency of up to 95% due to its synchronous rectification.
4. Switching Frequency: Offers a switching frequency of 700kHz, which allows the use of smaller external components and reduced overall system size.
5. Integrated MOSFETs: Contains internal high-side and low-side MOSFETs, reducing the need for external components.
6. Adjustable Output Voltage: Provides an adjustable output voltage through an external resistor divider.
7. Soft Start: Features a programmable soft-start function to limit inrush current during startup.
8. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout for reliable operation.
9. Package: Comes in a space-saving 8-pin SO PowerPAD package for efficient heat dissipation.
This device is ideal for use in applications like consumer electronics, industrial equipment, and distributed power systems.
Package
Pinout
Here is a concise summary of its pin functions:
1. BOOT: Bootstrap capacitor connection for the high-side FET driver.
2. VIN: Input supply voltage.
3. EN: Enable pin to turn the device on or off.
4. GND: Ground reference.
5. SW: Switch node, connected to the inductor for power conversion.
6. FB: Feedback pin for output voltage regulation.
7. COMP: Compensation pin for stability and transient response tuning.
8. RT/CLK: Resistor timing or clock input for setting switching frequency.
These pins allow the TPS54329DDAR to efficiently regulate output voltage, adjust frequency, and enable or disable the device, all while maintaining stable operation with minimal external components.
Manufacturer
Application
Equivalent
1. LM2596 from Texas Instruments
2. MP1584 from Monolithic Power Systems
3. LMR33630 from Texas Instruments
4. LTC3633 from Analog Devices
5. SY8120B from Silergy
These alternatives offer similar functionality in terms of voltage conversion and power management, but specifications such as efficiency, input voltage range, and output current capabilities might differ. Always verify compatibility with the specific requirements of your application.
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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