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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 2：2.5V, 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-ZI0EUN is a dual-output power management integrated circuit manufactured by Microchip Technology. It combines a 500 mA synchronous buck regulator and a 300 mA Low-Dropout Regulator (LDO). The device operates within an input voltage range of 2.7 V to 5.5 V, with a typical quiescent current of 57 µA. The buck output is adjustable from 0.8 V to 4.5 V, while the LDO provides a fixed 2.5 V output. It utilizes a 10-pin DFN package and supports PWM and PFM control modes.
Feature Summary
- Integrates a 500 mA synchronous buck regulator and a 300 mA low-dropout linear regulator for efficient dual-supply generation.
- Features independent shutdown controls for both the buck and LDO outputs to optimize system power consumption.
- Includes automatic transition between pulse-width modulation and pulse-frequency modulation modes based on load conditions.
Applications
- Cellular phones
- Portable computers
- USB-powered devices
Procurement Notes
Verify the specific suffix ZI0EUN against official Microchip documentation to confirm the fixed 2.5 V LDO output and DFN-10 package configuration. Ensure compliance with RoHS standards and check for lead-free specifications prior to integration. Confirm that the operating temperature range meets the requirements of the target application environment.
Selection Notes
Select this component when a single IC solution is required to generate both a lower processor core voltage and a higher bias voltage. The internal compensation simplifies design complexity compared to discrete solutions. Consider the 2.0 MHz switching frequency for balancing efficiency and external component size in space-constrained portable applications.
Part Context
This part belongs to the TC1313 family of highly integrated dual-output regulators. The family is designed to provide the lowest system cost for applications requiring multiple supply voltages. Variants within the series differ primarily in the fixed output voltage of the LDO section and the physical package type, such as MSOP or DFN.
Replacement Considerations
Direct substitutes include other TC1313 variants with matching package and electrical characteristics, such as TC1313-ZI0EMF, which shares the same DFN-10 footprint and functional parameters.
