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Microchip Technology MIC5231-5.0YM5-TR
- Part No.:
- MIC5231-5.0YM5-TR
- Manufacturer:
- Microchip Technology
- Package:
- SC-74A, SOT-753
- Description:
- IC REG LINEAR 5V 10MA SOT23-5
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:
- Shipping:
Product Details
MIC5231-5.0YM5-TR - 5 V, 10 mA Micropower LDO
Microchip MIC5231-5.0YM5-TR is a fixed 5 V micropower low-dropout regulator with 10 mA rated output, 0.65 microamp typical quiescent current, logic enable, and stable operation without a mandatory output capacitor.
The exact 5.0YM5-TR suffix, electrical limits, M5 SOT-23-5 pinout, 3000-piece reel, and LM50 marking were checked against Microchip data sheet DS20007026A.
Overview
MIC5231-5.0YM5-TR provides a fixed 5 V rail for keep-alive and low-current bias loads. It operates from supplies up to 12 V, delivers 10 mA rated output current, and uses only 0.65 microamp typical ground current.
Key Advantages
0.65 microamp typical
Very low ground current supports long-duration keep-alive rails.
No output capacitor required
The regulator remains stable without an output capacitor.
Logic-level enable
An active-high control input provides a near-zero-current shutdown mode.
Compact SOT-23-5
The M5 package suits space-constrained low-power designs.
Feature Summary
Fixed 5 V output
Initial output accuracy is better than 2%; full specified variation is ±3%.
10 mA output drive
The rated load range extends from very light loads through 10 mA.
Low dropout
Typical dropout is 150 mV at 10 mA.
Flexible capacitors
Ceramic or tantalum capacitors may be used to improve transient response.
Package & Footprint
The YM5 suffix identifies the industrial-temperature five-lead Microchip M5 SOT-23 package. The catalog SC-74A / SOT-753 registration represents this same five-lead outline. The TR suffix specifies 3000 pieces per tape-and-reel.
- Use the Microchip C04-091-6BX package drawing and C04-2091-6BX land pattern.
- Confirm pin 1 before placement.
- Keep input, output, and ground paths short.
- Check dissipation against 235 degrees C/W junction-to-ambient.
The manufacturer drawing controls all dimensions and land geometry.
Pin Functions
Pin numbering follows the Microchip M5 SOT-23 top view.
Key Specifications
| Manufacturer | Microchip Technology |
|---|---|
| Function | Fixed-output micropower low-dropout regulator |
| Nominal output | 5.0 V |
| Operating input range | 3.5 V to 12 V; maintain headroom above the 5 V output |
| Rated output current | 10 mA |
| Output accuracy | ±2% at 25 degrees C; ±3% over the stated temperature range |
| Dropout voltage | 15 mV typical at 1 mA; 150 mV typical and 300 mV maximum at 10 mA |
| Ground current | 0.65 microamp typical, 3 microamperes maximum at 6 V input and 10 mA load |
| Ground current at 12 V | 1.1 microamperes typical, 4 microamperes maximum at 10 mA load |
| PSRR | 50 dB typical at 100 Hz and 100 microamp load |
| Enable high | 1.4 V minimum |
| Enable low | 0.18 V maximum |
| Operating junction range | -40 degrees C to 125 degrees C |
| Thermal resistance | 235 degrees C/W junction-to-ambient typical for five-lead SOT-23 |
Replacement Considerations
Match the fixed 5 V output, 10 mA rating, 12 V maximum operating input, EN/GND/IN/OUT/NC pin order, enable thresholds, SOT-23-5 footprint, lack of current limit and thermal shutdown, capacitor behavior, temperature grade, and reel quantity.
Other MIC5231 voltage options are not direct voltage replacements. No internal alternative link is added without a separately verified, published LCDChip match.
Manufacturer Information
Microchip lists MIC5231 as in production. The exact MIC5231-5.0YM5-TR order code denotes 5 V output, -40 to 125 degrees C temperature grade, five-lead SOT-23, 3000-piece reel, and LM50 device marking.
Applications
Real-time clocks
Maintain low-current clock rails with minimal standby drain.
SRAM backup
Support memory-retention rails without a minimum load.
Battery equipment
Provide an enabled 5 V bias rail for low-duty-cycle systems.
Post regulation
Clean up a higher-voltage converter output at light load.
Quality & Authenticity
Verify the complete MIC5231-5.0YM5-TR order code, Microchip identity, LM50 top marking, five-lead SOT-23 dimensions, pin-one orientation, 3000-piece reel label, Pb-free package documentation, and lot/date traceability.
FAQ
Is an output capacitor mandatory?
No. The regulator is stable without one; 1 microfarad or more is recommended when improved transient response is needed.
Can EN float?
No. Microchip explicitly says not to leave EN floating.
Does it have current limit or thermal shutdown?
No. The pass element self-limits through its resistance, but the application must keep junction temperature below 125 degrees C.
What input bypass is recommended?
Add 0.1 microfarad or more from IN to GND when the source lead exceeds 20 cm or the device is battery supplied.
Engineering Notice
Before release, verify DS20007026A, the exact 5.0YM5-TR suffix, M5 pinout, input headroom, enable levels, load and line conditions, transient requirements, junction temperature, reel documentation, and package image. Do not depend on protections this device does not provide.
MIC5231-5.0YM5-TR Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 12V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.3V @ 10mA
- Current - Output:
- 10mA
- Current - Quiescent (Iq):
- 4 µA
- Current - Supply (Max):
- -
- PSRR:
- 50dB (100Hz)
- Control Features:
- Enable
- Protection Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
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