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Overview
| Topology | Buck Converter |
| Input voltage | 4.7-36 V |
| Output 1 | 3.3 V / 0.6 A |
| IC revision | A |
Description
The MCP16301/H devices are highly integrated,high-efficiency, fixed-frequency, step-down DC-DC converters in a popular 6-pin SOT-23 package that operates from input voltage sources up to 36V. Integrated features include a high-side switch,fixed-frequency Peak Current Mode Control, internal compensation, peak current limit and overtemperature protection. Minimal external components are necessary to develop a complete step-down DC-DC converter power supply.
High converter efficiency is achieved by integrating the current-limited, low-resistance, high-speed N-Channel MOSFET and associated drive circuitry. High switching frequency minimizes the size of externalfiltering components, resulting in a small solution size.
The MCP16301/H devices can supply 600 mA of continuous current while regulating the output voltage from 2.0V to 15V. An integrated, high-performance peak current mode architecture keeps the outputvoltage tightly regulated, even during input voltage steps and output current transient conditions that are common in power systems.
The EN input is used to turn the device on and off. While turned off, only a few micro amps of current are consumed from the input for power shedding and load distribution applications.
Output voltage is set with an external resistor divider. The MCP16301/H devices are offered in a space-saving SOT-23-6 surface mount package.
Features
- Up to 96% Typical Efficiency
- Input Voltage Range:
- 4.0V to 30V (MCP16301)
- 4.7V to 36V (MCP16301H)
- Output Voltage Range: 2.0V to 15V
- 2% Output Voltage Accuracy
- Integrated N-Channel Buck Switch: 460 m
- 600 mA Output Current
- 500 kHz Fixed Frequency
- Adjustable Output Voltage
- Low Device Shutdown Current
- Peak Current Mode Control
- Internal Compensation
- Stable with Ceramic Capacitors
- Internal Soft-Start
- Cycle-by-Cycle Peak Current Limit
- Undervoltage Lockout (UVLO): 3.5V
- Overtemperature Protection
- Available Package: SOT-23-6
Typical applications
- DSL Cable Modems
- PIC® /dsPIC® Microcontroller Bias Supply
- Power Meters
- Set-Top Boxes
- Automotive
- Distributed Power Supplies
- 24V Industrial Input DC-DC Conversion
- D2 Package Linear Regulator Replacement
- SLA Battery-Powered Devices
- Consumer
- AC-DC Digital Control Power Source
- Power Meters
- Wall Cube Regulation
- Medical and Health Care
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT Tiny Power Inductor, 15 µH, 0.72 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance15 µH | Rated Current0.72 A | Saturation Current0.9 A | Self Resonant Frequency32 MHz | MountSMT | ||||
 | WE-TPC SMT Tiny Power Inductor, 15 µH, 0.62 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance15 µH | Rated Current0.62 A | Saturation Current0.45 A | Self Resonant Frequency30 MHz | MountSMT | ||||
| WE-TPC SMT Tiny Power Inductor, 15 µH, 1.03 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance15 µH | Rated Current1.03 A | Saturation Current0.75 A | Self Resonant Frequency35 MHz | MountSMT |