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TPS54318RTER
IC REG BUCK ADJUSTABLE 3A 16WQFN
- Manufacturer
- Mfr. Part #TPS54318RTER
- Package QFN-16
- Datasheet
- In Stock5032
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Specifications
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | SWIFT™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.95V |
| Voltage-Input(Max) | 6V |
| Voltage-Output(Min/Fixed) | 0.803V |
| Voltage-Output(Max) | 4.5V |
| Current-Output | 3A |
| Frequency-Switching | 200kHz ~ 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-WFQFN Exposed Pad |
Overview
Description
Key features include a high-frequency switching capability of up to 2.5 MHz, which allows the use of smaller output inductors and capacitors, reducing overall solution size. It delivers up to 3A of continuous output current with excellent load and line regulation performance. The TPS54318RTER also incorporates advanced features such as soft-start, under-voltage lockout, and thermal shutdown for enhanced reliability and protection.
This converter is encapsulated in a small 16-pin WQFN package, which aids in maintaining compact designs. Its efficiency, compactness, and robust protection features make it suitable for consumer electronics, telecommunications, and other applications requiring reliable power conversion in space-constrained environments.
Features
Key features include an integrated high-side MOSFET, which reduces the external component count and improves efficiency. The device operates at a fixed switching frequency of 2.5 MHz, allowing for the use of small external inductors and capacitors. It also supports pulse frequency modulation (PFM) mode for enhanced efficiency at light loads.
The TPS54318RTER provides excellent load and line regulation, and its design includes features like soft-start, current limit protection, and thermal shutdown for operational safety. Its compact 16-pin WQFN package makes it suitable for space-constrained designs.
Overall, the TPS54318RTER is ideal for applications requiring step-down voltage conversion with efficient power management in compact form factors.
Package
Pinout
Here's a brief overview of the pin functions:
1. VIN: Input voltage supply.
2. EN: Enable pin; a high level enables the device.
3. SS/TR: Soft start and tracking input.
4. PGOOD: Power good indicator pin.
5. COMP: Compensation pin for control loop stability.
6. FB: Feedback input pin.
7. VREG5: Internal 5V regulator output for internal circuit biasing.
8. BOOT: Bootstrap for the high-side FET driver.
9. SW: Switching node pin.
10. GND: Ground connection.
11. RT/CLK: Resistor timing or clock input for setting switching frequency.
12. VREG5: (may appear twice on pin lists if involved in multiple functions).
13-16. SW/GND/VIN: Depending on package specifics, some may be duplicated for enhanced thermal and electrical performance.
For detailed design considerations and electrical characteristics, refer to the datasheet provided by Texas Instruments.
Manufacturer
Application
Equivalent
1. LMR33630 by Texas Instruments
2. MP2315 by Monolithic Power Systems
3. LTC3603 by Analog Devices
4. MAX17552 by Maxim Integrated
5. AP65211 by Diodes Incorporated
These alternatives offer similar functions and specifications, such as input voltage range, output current capability, and efficiency. Always verify specific requirements and specifications before choosing a substitute.
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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