Microchip Technology MCP1826S-2502E/AB

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 2.5V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.4V @ 1A
Current - Output 1A
Current - Quiescent (Iq) 220 µA
Current - Supply (Max) -
PSRR 60dB (100Hz)
Control Features -
Protection Features Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Through Hole
Package / Case TO-220-3
Supplier Device Package TO-220-3
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MCP1826S-2502E/AB from Microchip Technology is a fixed 2.5V output LDO linear regulator capable of delivering 1A of current. With a low dropout voltage of just 0.4V at full load and a quiescent current of 220µA, it balances efficiency with performance. The TO-220-3 package ensures excellent thermal management for demanding applications. Its 60dB PSRR at 100Hz makes it suitable for noise-sensitive designs.

  • High Current Capacity: 1A output supports power-hungry loads like FPGAs and processors.
  • Low Dropout Voltage: 0.4V at 1A maximizes efficiency and extends battery life.
  • Excellent Ripple Rejection: 60dB PSRR at 100Hz ensures clean output for analog circuits.
  • Robust Thermal Package: TO-220-3 dissipates heat effectively for reliable operation.

High-Current Battery-Powered Devices

The 1A output capability and low 0.4V dropout make it ideal for powering processors and RF modules directly from 3.6V Li-ion batteries, maximizing usable battery life.

Post-Regulation for Switching Supplies

With 60dB PSRR at 100Hz, it effectively attenuates ripple from DC-DC converters, providing clean 2.5V rails for sensitive analog circuits.

FPGA and DSP Core Supplies

Modern FPGAs require stable 2.5V core voltages at high current. The MCP1826S delivers 1A with excellent load transient response, preventing logic errors.

Automotive Infotainment Systems

The TO-220 package allows efficient heat dissipation in under-hood or dashboard environments, ensuring reliable 2.5V supply for audio codecs and display drivers.

Industrial Sensor Interfaces

Stable 2.5V reference rails for ADCs and op-amps in industrial control systems, with the rugged TO-220 package handling harsh thermal cycling.

Networking Equipment

Provides clean 2.5V for Ethernet PHYs and switch ICs, with the low dropout ensuring operation even during brownout conditions.

Q: What is the output voltage of the MCP1826S-2502E/AB?
A: The fixed output voltage is 2.5V.
Q: What is the maximum output current?
A: It can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The input voltage range is from 2.5V to 6.0V.
Q: What is the dropout voltage?
A: The dropout voltage is typically 0.4V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is typically 220 µA.
Q: What package is available?
A: This model comes in a TO-220-3 package.
Base Product Number : MCP1826S-2502E
1A 2.5V High Current LDO Linear Regulator Low Dropout Microchip TO-220-3
Q: What is the output voltage of the MCP1826S-2502E/AB?
A: The fixed output voltage is 2.5V.
Q: What is the maximum output current?
A: It can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The input voltage range is from 2.5V to 6.0V.
Q: What is the dropout voltage?
A: The dropout voltage is typically 0.4V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is typically 220 µA.
Q: What package is available?
A: This model comes in a TO-220-3 package.