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Product Detailed Parameters
- Description：IC REG DL BUCK/LNR SYNC 10MSOP
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- Topology：Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
- Number of Outputs：2
- Frequency - Switching：2MHz
- Voltage/Current - Output 1：Adj, 500mA
- Voltage/Current - Output 2：1.8V, 300mA
- Voltage/Current - Output 3：-
- w/LED Driver：No
- w/Supervisor：No
- w/Sequencer：No
- Voltage - Supply：2.7V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-MSOP
- Grade：-
- Qualification：-
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Overview
The TC1313-ZP0EUN is a dual-output power management IC featuring a 500 mA synchronous buck regulator and a 300 mA low-dropout (LDO) linear regulator. It operates within an input voltage range of 2.7 V to 5.5 V, with a nominal rating of 3.6 V. The device utilizes a 2.0 MHz fixed-frequency PWM control scheme for the buck converter, ensuring high efficiency exceeding 90% under heavy loads. The LDO output is factory-set to 3.0 V. Both outputs are internally compensated and support independent shutdown modes.
Feature Summary
- Integrates a 500 mA synchronous buck regulator and a 300 mA LDO in a single package
- Features automatic transition between PWM and PFM control techniques for optimized light-load performance
- Provides independent shutdown control for both the buck and LDO outputs to minimize standby consumption
Applications
- Portable consumer electronics requiring multiple regulated voltage rails
- Battery-powered devices utilizing single-cell lithium-ion or lithium-polymer sources
- Embedded systems needing efficient step-down conversion alongside clean analog supply rails
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm the exact LDO output voltage configuration. Ensure the selected package variant matches your PCB footprint requirements. Cross-reference the full part number with authorized distributors to validate current availability and manufacturing status before finalizing procurement plans.
Selection Notes
Select this component when designing circuits that require simultaneous high-current switching regulation and low-noise linear regulation from a single input source. The integrated nature reduces bill-of-materials count and board space compared to discrete solutions. Consider the 2.0 MHz switching frequency for balancing component size against electromagnetic interference constraints.
Part Context
This device belongs to the TC1313 family of dual-output regulators manufactured by Microchip Technology. The family offers various fixed-voltage combinations and adjustable options across MSOP-10 and DFN-10 packages. The ZP0EUN designation specifically identifies the version with a 3.0 V fixed LDO output and MSOP-10 packaging.
Replacement Considerations
Direct pin-to-pin replacements within the same family include TC1313-UD3EUN (3.0V LDO, MSOP-10) and TC1313-UD3EMF (3.0V LDO, DFN-10). Verify electrical characteristics and thermal performance match application requirements before substituting.
