Microchip Technology TC1303C-PA0EMFTR
- Part No.:
- TC1303C-PA0EMFTR
- Manufacturer:
- Microchip Technology
- Category:
- Voltage Regulators - Linear + Switching
- Package:
- 10-VFDFN Exposed Pad
- Datasheet:
-
TC1303C-PA0EMFTR.pdf
- Description:
- IC REG DL BUCK/LINEAR SYNC 10DFN
- Quantity:
- Payment:

- Shipping:

Inventory:3,288
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Product details
Overview
TC1303C-PA0EMFTR from Microchip Technology is a dual-output power-management IC combining a synchronous step-down regulator with a low-dropout linear regulator. The device is intended for portable and embedded systems that need one efficient switching rail together with a cleaner auxiliary rail from a compact Microchip regulator package.
As part of the Microchip TC1303 family, TC1303C-PA0EMFTR provides buck conversion, LDO regulation, supervisory power-good or reset-style behavior depending on option, and suffix-defined output combinations for system rails. For engineers reviewing the TC1303C-PA0EMFTR datasheet, TC1303C-PA0EMFTR pinout, TC1303C-PA0EMFTR application, or TC1303C-PA0EMFTR equivalent, this device is widely used in battery-powered products, handheld instruments, portable consumer electronics, embedded controllers, sensor modules, and compact mixed-signal power systems.
Technical Context
In portable embedded systems, TC1303C-PA0EMFTR operates as a two-rail regulator: the synchronous buck channel supplies the efficient main rail, while the LDO channel provides a low-noise output for analog, sensor, RF, or auxiliary logic circuitry.
The PA0EMFTR identifies the selected TC1303 voltage/supervisory configuration and packing option. suffix information matters because TC1303 orderable parts use encoded output-voltage and supervisory options. Those options determine whether the device fits a processor core rail, I/O rail, memory rail, or low-noise peripheral supply.
TC1303C-PA0EMFTR is commonly used where the system needs a compact buck-plus-LDO architecture with fewer external components than separate switching and linear regulator ICs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | Dual-output regulator combining a synchronous buck regulator and an LDO regulator. |
| Buck Regulator | Efficient step-down output for the primary system rail. |
| LDO Regulator | Low-dropout output for auxiliary or low-noise rail generation. |
| Output Option | PA0EMFTR identifies the selected TC1303 voltage/supervisory configuration and packing option. |
| Supervision | Power-good or reset-style supervisory behavior depends on the selected orderable option. |
| Package Family | Compact TC1303 DFN/MSOP package family for space-constrained layouts. |
| Applications | Portable electronics, embedded controllers, sensors, handheld systems, and mixed-signal devices. |
| Design Value | Combines switching efficiency and low-noise linear regulation in one IC. |
Pinout & Package
The TC1303C-PA0EMFTR pinout includes input supply, buck switching/output pins, LDO output, enable/control functions, supervisory output, and ground pins.
For PCB design, the buck inductor and input/output capacitors should be close to the IC, while the LDO output capacitor and feedback or sense paths should be routed for low noise and stable regulation.
| Pin / Function | PCB Design and Circuit Role |
|---|---|
| VIN | Input supply for buck and LDO regulator sections. |
| LX / SW | Buck switching node connected to the inductor. |
| VOUT Buck | Main step-down regulator output rail. |
| VOUT LDO | Low-dropout regulator output for auxiliary loads. |
| EN / SHDN | Enable or shutdown control for system power management. |
| PG / RESET | Supervisory status output depending on option. |
| GND | Ground return for regulator operation. |
Key Features
- Synchronous buck plus LDO architecture saves PCB area.
- LDO output supports cleaner auxiliary rails.
- Suffix-defined output options support different system voltage sets.
- Supervisory output helps processor reset or rail-good control.
- Compact package supports portable designs.
- Integrated dual-output regulation reduces external IC count.
Applications
| Battery-Powered Products | Embedded Controllers |
|---|---|
|
Use Scenario: Used in portable products powered from small battery packs. IC Role: Provides efficient main rail and clean auxiliary rail. Use Value: Improves runtime and rail integration. |
Use Scenario: Used around microcontrollers and local logic. IC Role: Supplies core/I/O and peripheral rails. Use Value: Simplifies compact controller power trees. |
| Sensor Modules | Handheld Instruments |
|
Use Scenario: Used in mixed-signal sensing boards. IC Role: Provides low-noise LDO power for analog circuitry. Use Value: Improves measurement stability. |
Use Scenario: Used in compact measurement and service devices. IC Role: Combines switching and linear regulation. Use Value: Reduces board area and component count. |
Equivalent & Alternatives
When evaluating a TC1303C-PA0EMFTR equivalent, engineers should compare buck output voltage, LDO output voltage, current ratings, supervisory output behavior, package, and external component requirements.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TC1303B-DG0EMF | Same TC1303 family with a different encoded voltage/supervisory option. | Used when the board can accept a different output-voltage or reset option. | Compare exact suffix-coded outputs and supervisory behavior before substitution. |
| ADP2140 | Analog Devices buck plus dual-LDO PMIC with different rail count and current ratings. | Used when the system needs one switching rail plus additional low-noise LDO outputs. | Compare number of LDO rails, output currents, package, and enable behavior. |
Compared with TC1303B-DG0EMF, TC1303C-PA0EMFTR must be selected according to the exact encoded output and supervisory option. TC1303C-PA0EMFTR vs ADP2140 selection depends on rail count, output current, reset/power-good needs, package, and sourcing requirements.
Quality
TC1303C-PA0EMFTR should be sourced as original Microchip components through traceable supply channels. Quality checks may include package inspection, top-mark validation, solderability testing, and buck/LDO output verification.
Production validation should include startup sequencing, output accuracy, LDO stability, buck ripple, supervisory output timing, thermal behavior, and battery-load transients.
Availability
TC1303C-PA0EMFTR available at Aetrix Electronics and is suitable for portable, embedded, sensor, handheld, and compact mixed-signal products requiring dual-output power support.
Supply support may include volume procurement planning, scheduled delivery arrangements, traceable sourcing management, and long-term supply support for OEM, industrial electronics, automotive electronics, and embedded product programs. Sample and NPI supply support, as well as urgent in-stock supply support, can also be arranged for prototype builds, pilot runs, and time-critical production needs.
For production builds, confirming suffix-coded output voltages, package, reset/power-good option, lead time, lifecycle status, and sourcing continuity helps improve procurement stability.
Manufacturer
Microchip Technology is a semiconductor manufacturer specializing in microcontrollers, analog ICs, mixed-signal devices, memory, timing, connectivity, and power-management products for embedded electronic systems.
The TC1303 product family is a Microchip dual-output regulator series combining synchronous buck conversion, LDO regulation, and supervisory options for compact portable and embedded systems.
FAQ
What is TC1303C-PA0EMFTR used for?
TC1303C-PA0EMFTR is used for portable, embedded, sensor, and handheld systems requiring one buck rail and one LDO rail.
Where can I find the TC1303C-PA0EMFTR datasheet download?
The TC1303C-PA0EMFTR datasheet is available from Microchip and includes suffix options, regulator operation, package data, and application information.
What should be considered in TC1303C-PA0EMFTR pinout design?
Designers should keep the buck switching loop compact, place LDO output capacitors close, and confirm the suffix-coded voltage and supervisory option.
Does TC1303C-PA0EMFTR include both a buck and an LDO?
Yes. The TC1303 family combines a synchronous buck regulator and an LDO regulator.
What are common TC1303C-PA0EMFTR equivalent solutions?
Common candidates include TC1303B-DG0EMF and ADP2140 depending on output-voltage option, supervisory behavior, package, and rail count.
TC1303C-PA0EMFTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 10-VFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Topology:
- Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
- Number of Outputs:
- 2
- Frequency - Switching:
- 2MHz
- Voltage/Current - Output 1:
- 1.8V, 500mA
- Voltage/Current - Output 2:
- 3.3V, 300mA
- Voltage/Current - Output 3:
- -
- w/LED Driver:
- No
- w/Supervisor:
- No
- w/Sequencer:
- Yes
- Voltage - Supply:
- 2.7V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-DFN (3x3)
TC1303C-PA0EMFTR FAQ
1.How can I place an order for TC1303C-PA0EMFTR through Aetrix?
Please submit a Request for Quotation (RFQ) for TC1303C-PA0EMFTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TC1303C-PA0EMFTR reliable?
The price and inventory of TC1303C-PA0EMFTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC1303C-PA0EMFTR is usually 5 days.
3.What payment methods are accepted for TC1303C-PA0EMFTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC1303C-PA0EMFTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TC1303C-PA0EMFTR?
TC1303C-PA0EMFTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC1303C-PA0EMFTR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TC1303C-PA0EMFTR?
For technical support, including TC1303C-PA0EMFTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC1303C-PA0EMFTR requirements.
6.How does Aetrix verify that TC1303C-PA0EMFTR is sourced from the original manufacturer or authorized distributors?
All TC1303C-PA0EMFTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TC1303C-PA0EMFTR meets industry standards.
7.What is the process for return or replacement of TC1303C-PA0EMFTR?
All TC1303C-PA0EMFTR units undergo pre-shipment inspection (PSI). If there is an issue with TC1303C-PA0EMFTR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TC1303C-PA0EMFTR part is unused and in its original packaging.
Return procedure for TC1303C-PA0EMFTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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