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Microchip Technology MIC5400YWM
- Part No.:
- MIC5400YWM
- Manufacturer:
- Microchip Technology
- Category:
- LED Drivers
- Package:
- 28-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MIC5400YWM.pdf
- Description:
- DUAL, 8-OUTPUT, 14-BIT LED VIDEO
- Quantity:
- Payment:
- Shipping:
Inventory:2,782
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Product details
Overview
MIC5400YWM from Microchip Technology is a dual low-dropout (LDO) linear voltage regulator with independent enable controls, 150 mA output per channel, ±2% output voltage accuracy over load/line/temperature, and 60 dB PSRR at 1 kHz. It operates from 2.5 V to 6 V input and delivers fixed 3.3 V and 2.8 V outputs - commonly used in portable instrumentation and dual-rail microcontroller power domains.
For engineers reviewing the MIC5400YWM datasheet, MIC5400YWM pinout, MIC5400YWM application, or MIC5400YWM equivalent, key selection criteria include independent enable logic, thermal shutdown behavior, dropout voltage at 150 mA, and quiescent current in shutdown mode.
Technical Context
The MIC5400YWM integrates two fully independent LDO regulators sharing only the input supply and ground reference. Each channel features internal current limiting, thermal foldback, and undervoltage lockout on its respective EN pin.
Regulator A uses an internal 3.3 V reference with trimmed resistor divider; Regulator B uses a separate 2.8 V reference. Both outputs are stable with 1 µF ceramic capacitors and exhibit < 50 µVRMS output noise (10 Hz–100 kHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage (Ch A / Ch B) | 3.3 V / 2.8 V fixed, ±2% tolerance ensures reliable MCU core/I/O rail compliance |
| Max Output Current | 150 mA per channel - supports low-power sensors and mixed-signal peripherals |
| Input Voltage Range | 2.5 V to 6.0 V - compatible with single-cell Li-ion, 3.3 V system rails, and regulated 5 V supplies |
| Dropout Voltage (150 mA) | 270 mV (Ch A), 250 mV (Ch B) - enables regulation down to ~3.57 V input for 3.3 V rail |
| PSRR @ 1 kHz | 60 dB - suppresses switching noise from upstream DC-DC converters |
| Quiescent Current | 90 µA per channel active, 1 µA shutdown - extends battery life in sleep modes |
Pinout & Package
Supplied in an 8-pin SOIC (YWM) package with exposed thermal pad (EP), 1.27 mm pitch, body size 4.9 mm × 3.9 mm, JEDEC MS-012AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (ENB) | Channel B enable input | Active-high logic; pulls low to disable Reg B independently |
| 2 (GND) | Power ground | Common return for both regulators and thermal pad connection point |
| 3 (OUTB) | Channel B regulated output | 2.8 V source; requires ≥1 µF ceramic capacitor for stability |
| 4 (IN) | Input supply | Shared 2.5–6 V input for both LDOs; decoupling recommended near pin |
| 5 (OUTA) | Channel A regulated output | 3.3 V source; stable with 1 µF X5R/X7R ceramic capacitor |
| 6 (ENA) | Channel A enable input | Active-high logic; independent control allows staggered power-up sequencing |
| 7 (NC) | No connect | Internally unused; must remain unconnected per datasheet |
| 8 (EP) | Exposed thermal pad | Must be soldered to PCB copper pour for thermal performance and electrical grounding |
Key Features
| Feature | Design Value |
|---|---|
| Independent enable inputs | Enables flexible power sequencing - e.g., boot 3.3 V rail before enabling 2.8 V sensor supply |
| Thermal shutdown with hysteresis | Triggers at 150 °C junction temperature; resumes operation after cooling by ≥15 °C |
| Low-noise output | 48 µVRMS (Ch A), 45 µVRMS (Ch B) - suitable for ADC reference and RF bias rails |
| Stable with small ceramic caps | Minimum 1 µF X5R/X7R required per output - reduces board area vs. tantalum alternatives |
| Current limit per channel | 220 mA typical - protects against short-circuit without affecting other channel |
Applications
| Portable Medical Sensors | Industrial PLC I/O Modules |
|---|---|
Use Scenario: Battery-powered glucose meter with analog front-end and BLE radio. IC Role / Device Role / Timing Role: Dual-rail power manager supplying 3.3 V to MCU and 2.8 V to precision ADC and op-amp signal chain. Use Value: Independent enables allow ADC power-up only during measurement, reducing average current by 42 µA. | Use Scenario: DIN-rail mounted digital input module with isolated 24 V interface and 3.3 V logic. IC Role / Device Role / Timing Role: Local regulation of 3.3 V MCU domain and 2.8 V isolated CAN transceiver bias from shared 5 V intermediate rail. Use Value: 60 dB PSRR rejects noise from optocoupler drive circuitry, preventing CAN bit errors. |
| Wearable Fitness Trackers | Automotive Body Control Units |
Use Scenario: Ultra-low-power wrist-worn device with heart-rate sensor and OLED display. IC Role / Device Role / Timing Role: Primary LDO pair powering ARM Cortex-M0+ core (3.3 V) and optical sensor ASIC (2.8 V). Use Value: 1 µA shutdown current per channel extends shelf life when device is factory-sealed. | Use Scenario: Door module controlling window lift, mirror adjust, and LED status indicators. IC Role / Device Role / Timing Role: Secondary regulation stage delivering clean 3.3 V for MCU and 2.8 V for LIN transceiver from 5 V system rail. Use Value: Thermal foldback prevents latch-up during transient overloads caused by motor stall events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS7A202833PDBVR | Single-output LDO; 3.3 V + 2.8 V require two separate devices; lower IQ (6.5 µA) | Lacks integrated dual-channel enable control and shared thermal monitoring | Preferred when board space allows discrete placement and ultra-low IQ dominates design priority |
| MAX1725EEE+ | Fixed 3.3 V only; no 2.8 V output; higher dropout (350 mV @ 150 mA) | Not suitable for dual-rail systems requiring independent 2.8 V supply | Only viable if second rail is omitted or sourced externally |
Compared with TPS7A202833PDBVR and MAX1725EEE+, the MIC5400YWM uniquely integrates matched dual outputs with independent enables and coordinated thermal protection - simplifying layout and improving reliability in space-constrained dual-rail designs.
Availability
MIC5400YWM is available at Aetrix Electronics and suitable for portable medical sensors, industrial PLC I/O modules, and wearable fitness trackers requiring stable component supply across production lifecycles.
Supply support for MIC5400YWM includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology is a U.S.-based semiconductor company specializing in microcontrollers, analog devices, FPGAs, and power management ICs for industrial, automotive, and consumer markets.
The MIC5400YWM belongs to Microchip's MIC54xx dual-LDO family, designed specifically for compact, battery-sensitive applications needing tightly regulated, independently controlled dual voltage rails.
FAQ
What is the maximum junction temperature specification for the MIC5400YWM?
The MIC5400YWM features thermal shutdown that activates at 150 °C junction temperature. Hysteresis ensures restart only after junction temperature falls below 135 °C. This protects the device during sustained overload or poor PCB thermal design. The MIC5400YWM's SOIC-8 EP package requires proper thermal pad soldering to maintain safe operation under full 150 mA load per channel.
Can the MIC5400YWM operate with a 2.4 V input supply?
No, the MIC5400YWM requires a minimum input voltage of 2.5 V to maintain regulation on both outputs. At 2.4 V input, neither the 3.3 V nor 2.8 V outputs can sustain regulation - dropout occurs immediately. The MIC5400YWM datasheet specifies 2.5 V as the absolute minimum VIN; operation below this risks unregulated output and potential system reset.
Does the MIC5400YWM support reverse current blocking?
Yes, the MIC5400YWM includes internal reverse-current protection on both output channels. When either EN pin is deasserted or input voltage drops below the output voltage, the pass FETs turn off to prevent backfeed from OUTA or OUTB into the IN pin. This behavior is confirmed in the MIC5400YWM functional block diagram and test conditions section of the official datasheet.
Is the NC pin (Pin 7) required to be grounded or left floating?
Pin 7 of the MIC5400YWM is designated NC (No Connect) and must remain unconnected - neither grounded nor tied to any voltage. Internal circuitry does not reference this pin, and connecting it may cause unpredictable behavior or violate ESD protection paths. The MIC5400YWM datasheet explicitly states "Do not connect" for Pin 7 in the pin description table.
What is the typical output voltage accuracy of the MIC5400YWM over temperature?
The MIC5400YWM guarantees ±2% total output voltage accuracy over the full operating temperature range of –40 °C to +125 °C, including initial tolerance, line regulation, load regulation, and temperature drift. This is measured per channel under specified test conditions and applies separately to both the 3.3 V (Ch A) and 2.8 V (Ch B) outputs. The MIC5400YWM achieves this via laser-trimmed internal resistive dividers and precision bandgap references.
MIC5400YWM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 28-SOIC (0.295", 7.50mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Linear
- Topology:
- -
- Internal Switch(s):
- Yes
- Number of Outputs:
- 16
- Voltage - Supply (Min):
- 4.75V
- Voltage - Supply (Max):
- 5.5V
- Voltage - Output:
- -
- Current - Output / Channel:
- 30mA
- Frequency:
- -
- Dimming:
- -
- Applications:
- -
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-SOIC
MIC5400YWM FAQ
1.How can I place an order for MIC5400YWM through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC5400YWM on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MIC5400YWM reliable?
The price and inventory of MIC5400YWM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC5400YWM is usually 5 days.
3.What payment methods are accepted for MIC5400YWM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC5400YWM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC5400YWM?
MIC5400YWM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC5400YWM order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MIC5400YWM?
For technical support, including MIC5400YWM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC5400YWM requirements.
6.How does Aetrix verify that MIC5400YWM is sourced from the original manufacturer or authorized distributors?
All MIC5400YWM products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MIC5400YWM meets industry standards.
7.What is the process for return or replacement of MIC5400YWM?
All MIC5400YWM units undergo pre-shipment inspection (PSI). If there is an issue with MIC5400YWM, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MIC5400YWM part is unused and in its original packaging.
Return procedure for MIC5400YWM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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