MCP1631-E/ST
- Mfr.Part #
- MCP1631-E/ST
- Manufacturer
- Microchip Technology
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR SEPIC 20TSSOP
- Stock
- 4,534
- In Stock :
- 4,534
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- Manufacturer :
- Microchip Technology
- Product Category :
- DC DC Switching Controllers
- Number of Pins :
- 20
- Supplier Device Package :
- 20-TSSOP
- Pin Count :
- 20
- Mounting :
- Surface Mount
- Mounting Type :
- Surface Mount
- Control Mode :
- CURRENT-MODE
- HTS Code :
- 8542.39.00.01
- Output Type :
- Transistor Driver
- Mounting Style :
- SMD/SMT
- Operating Supply Voltage (Max) :
- 5.5(V)
- Height :
- 900μm
- Fall Time (Typ) :
- 2.7 ns
- Lead Free :
- Lead Free
- Input Voltage :
- 3 V to 5.5 V
- Output Configuration :
- Positive
- Control Technique :
- PULSE WIDTH MODULATION
- Peak Reflow Temperature (Cel) :
- 260
- Synchronous Rectifier :
- No
- Package Type :
- TSSOP
- Minimum Operating Temperature :
- - 40 C
- Control Features :
- Enable, Frequency Control, Ramp
- Threshold Voltage :
- 3V
- Operating Supply Voltage (Min) :
- 3(V)
- Series :
- --
- Surface Mount :
- yes
- Frequency :
- 1MHz
- Type :
- Current Mode PWM Controllers
- Output Phases :
- 1
- Terminal Form :
- Gull wing
- Terminal Pitch :
- 0.65mm
- Number of PWM Outputs :
- 1
- Packaging :
- Tube
- Max Duty Cycle :
- 10 %
- Reach Compliance Code :
- Compliant
- Switcher Configuration :
- Single
- Width :
- 4.4mm
- Maximum Operating Temperature :
- + 125 C
- Switching Frequency :
- 2MHz
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- Output Current-Max :
- 0.25 A
- Base Part Number :
- MCP1631
- Product :
- Voltage Controllers
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Package :
- Tube
- Clock Sync :
- No
- Qualification :
- AEC-Q100
- Mount :
- Surface Mount
- Operating Temperature Classification :
- Automotive
- Rise Time :
- 2.5ns
- RoHS Status :
- ROHS3 Compliant
- Base Product Number :
- MCP1631
- Rad Hardened :
- No
- Product Category :
- Switching Controllers
- Switching Freq :
- 2000(KHz)
- Function :
- Step-Up/Step-Down
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- RoHS :
- Details
- Adjustable Output :
- No
- Serial Interfaces :
- --
- Output Current :
- 250mA
- Operating Temperature :
- -40°C~125°C TJ
- On/Off Pin :
- yes
- Brand :
- Microchip Technology
- Number of Functions :
- 1
- Pbfree Code :
- yes
- Product Type :
- Switching Controllers
- JESD-609 Code :
- e3
- Temperature Grade :
- Automotive
- Topology :
- SEPIC
- Package Shape :
- RECTANGULAR
- Number of Terminations :
- 20
- Duty Cycle (Max) :
- --
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Product Status :
- Active
- Input Voltage-Nom :
- 5V
- Factory Lead Time :
- 5 Weeks
- Output Voltage :
- 5V
- Terminal Finish :
- Matte Tin (Sn)
- REACH SVHC :
- No SVHC
- Voltage - Supply (Vcc/Vdd) :
- 3V~5.5V
- Synchronous Pin :
- No
- Nominal Input Voltage :
- 5.5V
- ECCN Code :
- EAR99
- JESD-30 Code :
- R-PDSO-G20
- Terminal Position :
- Dual
- Length :
- 6.5mm
- Number of Terminals :
- 20
- Switching Frequency-Max :
- 2000 kHz
- Manufacturer :
- Microchip
- Number of Outputs :
- 1
- Qualification Status :
- Not Qualified
- Frequency - Switching :
- --
- Seated Height-Max :
- 1.2 mm
- Duty Cycle :
- 0 %
- Datasheets
- MCP1631-E/ST
MCP1631-E/ST Documents

DC DC Switching Controllers Microchip Technology MCP1631-E/ST Overview
The MCP1631-E/ST from Microchip Technology is a sophisticated DC DC switching controller designed for high-efficiency, multi-function power supply solutions. This controller integrates seamlessly into systems requiring a compact yet powerful SEPIC (Single Ended Primary Inductor Converter) control mechanism. The MCP1631-E/ST excels in applications demanding high-speed pulse width modulation (PWM), precision voltage regulation, and advanced power management. As part of the 20TSSOP series, this IC provides a versatile foundation for developing robust power systems in commercial and industrial environments, ensuring reliable performance and enhancing overall system efficiency.
MCP1631-E/ST Features
This product boasts a variety of features suited for demanding power conversion applications. These include a wide input voltage range, high-frequency operation up to 500 kHz, which allows for smaller external components, and integrated safety features like over-temperature protection and current limiting. The adjustable output voltage feature facilitates flexible use across different voltages requirements, making it an ideal choice for a broad range of power management tasks.
MCP1631-E/ST Applications
- Portable Power Devices: Utilizes its SEPIC configuration to provide stable voltage levels from varied input sources, essential for battery-powered devices.
- LED Lighting Systems: Drives consistent, non-fluctuating current necessary for high-intensity and adjustable LED lighting setups.
- Communication Equipment: Ensures reliable power supply under fluctuating voltage conditions in communication hardware, crucial for maintaining system integrity and uptime.
- Automotive Electronics: Adapts to the complex power supply systems of modern vehicles, supporting functions from infotainment systems to sensors.
- Medical Devices: Offers precise and safe power management solutions critical for the sensitive electronics found in medical diagnostic equipment.
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