Monolithic Power Systems Inc. MPQ20056GJ-33-Z
- Part No.:
- MPQ20056GJ-33-Z
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
MPQ20056GJ-33-Z.pdf
- Description:
- IC REG LIN 3.3V 250MA TSOT23-5
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
MPQ20056GJ-33-Z from Monolithic Power Systems is a fixed 3.3V, AEC-Q100 qualified low-noise linear regulator delivering up to 250mA with 100mV dropout at full load, 150μA ground current, and 63dB PSRR at 1kHz - deployed in automotive infotainment power rails and wireless sensor node LDO stages.
For engineers reviewing the MPQ20056GJ-33-Z datasheet, MPQ20056GJ-33-Z pinout, MPQ20056GJ-33-Z application, or MPQ20056GJ-33-Z equivalent, key selection criteria include its TSOT23-5 package thermal resistance (θJA = 220°C/W), 13μVRMS output noise (10Hz–100kHz), -40°C to +125°C operating junction temperature, and AEC-Q100 Grade 1 qualification for automotive use.
Technical Context
The MPQ20056GJ-33-Z integrates a PMOS pass element enabling ultra-low dropout and minimal ground current across its full 2.5V–5.5V input range. Its feedback loop uses a precision 0.8V reference with ±2% output accuracy over temperature, supporting stable regulation under fast load transients.
Internal protection includes thermal shutdown at 150°C with 20°C hysteresis, short-circuit current limiting (350–850mA), and UVLO with 1.95V turn-on threshold and 160mV hysteresis - all implemented without external components in the TSOT23-5 footprint.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3V ±2% at TJ = 25°C; ±3% over -40°C to +125°C - ensures stable MCU core voltage under automotive thermal cycling. |
| Max Output Current | 250mA continuous - sufficient for powering single-core microcontrollers or RF front-end bias circuits. |
| Dropout Voltage | 100mV at 250mA (TJ = 25°C); ≤200mV over full temp range - enables operation down to VIN = 3.4V while maintaining 3.3V output. |
| PSRR | 63dB at 1kHz - suppresses switching noise from upstream DC/DC converters in mixed-signal automotive subsystems. |
| Output Noise | 35μVRMS (10Hz–100kHz, VOUT = 3.3V) - meets low-noise requirements for ADC reference supplies and RF synthesizer VCOs. |
| Ground Current | 150μA at IOUT = 0.1mA; 220–330μA at 250mA - minimizes quiescent power loss in always-on vehicle telematics modules. |
| Enable Threshold | EN high ≥1.5V, low ≤0.4V - compatible with 1.8V/3.3V logic without level-shifting in modern automotive ECUs. |
Pinout & Package
MPQ20056GJ-33-Z is housed in a RoHS-compliant, halogen-free TSOT23-5 package (2.9mm × 1.6mm × 1.0mm) with exposed pad omitted - optimized for space-constrained automotive PCB layouts and reflow-compatible assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Input Supply | Accepts 2.5V–5.5V; requires 2.2μF ceramic bypass capacitor close to pin for stability and EMI suppression. |
| 2 (GND) | Ground Reference | Primary return path for regulator current and feedback network; must connect to low-impedance PCB ground plane. |
| 3 (EN) | Enable Control | Logic-level input: >1.5V enables regulation; <0.4V disables output and reduces supply current to 0.1–0.3μA. |
| 4 (FB) | Feedback Input | Internally tied to 3.3V divider; not accessible in fixed-output variants - unused but must remain unconnected. |
| 5 (OUT) | Regulated Output | Delivers 3.3V ±3%; requires 4.7μF ceramic output capacitor with ≤10mΩ ESR for transient response and noise filtering. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 Qualification | Validated for -40°C to +125°C ambient operation - certified for engine bay and dashboard-mounted automotive electronics. |
| Low 13μVRMS Noise (1.8V version) | Measured at 10Hz–100kHz; confirms suitability for noise-sensitive analog signal chains even though this variant is 3.3V fixed. |
| Stable with Ceramic Capacitors | No ESR requirement; supports compact 0402/0603 MLCCs - eliminates need for bulky tantalum or aluminum electrolytics. |
| Thermal Shutdown with Hysteresis | Triggers at 150°C junction temperature and resets at 130°C - prevents latch-up during sustained overload in sealed enclosures. |
| UVLO with 160mV Hysteresis | Prevents erratic startup during battery brownouts; ensures clean power-on reset for downstream logic. |
Applications
| Automotive Infotainment Core Supply | Wireless Sensor Node Bias Rail |
|---|---|
|
Use Scenario: Powers ARM Cortex-M7 MCU and audio codec in head unit control module under stop-start battery conditions (VIN = 6–16V post-regulation). IC Role / Device Role / Timing Role: Primary 3.3V LDO for digital core logic, decoupling switching noise from buck converter. Use Value: 63dB PSRR at 1kHz rejects ripple from 2MHz DC/DC; 100mV dropout maintains regulation during cold-crank dips to 8V input. |
Use Scenario: Supplies BLE SoC and MEMS accelerometer in tire pressure monitoring system (TPMS) with 10-year coin-cell life target. IC Role / Device Role / Timing Role: Ultra-low-IQ bias regulator enabling <1μA sleep current when paired with EN-controlled shutdown. Use Value: 150μA ground current at light load extends battery life; AEC-Q100 qualification ensures reliability across vehicle lifetime. |
| Industrial CAN Transceiver Interface | Portable Medical Pulse Oximeter |
|
Use Scenario: Provides isolated 3.3V rail for CAN FD transceiver in heavy-duty vehicle telematics gateway with ESD-prone harness interfaces. IC Role / Device Role / Timing Role: Secondary LDO stage after isolated DC/DC, filtering conducted emissions before CAN bus driver. Use Value: 2kV HBM ESD rating protects against cable discharge events; thermal shutdown prevents failure during connector hot-plug. |
Use Scenario: Powers optical sensor ASIC and low-power ADC in handheld pulse oximeter requiring clinical-grade signal integrity. IC Role / Device Role / Timing Role: Low-noise analog supply for photodiode amplifier chain and reference voltage generation. Use Value: 35μVRMS output noise (3.3V) avoids baseline drift in DC-coupled analog front-end; stable with 4.7μF ceramic cap saves board space. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TI TPS7A0533PDBVR | 3.3V fixed, 200mA, 17μVRMS noise, 50dB PSRR @1kHz, SOT-23-5 package | Lacks AEC-Q100 qualification; rated only for industrial (-40°C to +125°C) but not automotive stress testing | Select when cost sensitivity outweighs automotive qualification requirements and PSRR >60dB is not mandatory. |
| ON Semiconductor NCP1117ST33T3G | 3.3V fixed, 800mA, 120mV dropout at 800mA, 75μVRMS noise, TO-220/SOT-223 packages | Higher noise and larger footprint; no enable pin or thermal hysteresis; not AEC-Q100 qualified | Choose only for legacy designs needing higher current and where board area and noise are secondary concerns. |
Compared with TPS7A0533PDBVR and NCP1117ST33T3G, MPQ20056GJ-33-Z uniquely combines AEC-Q100 Grade 1 compliance, 63dB PSRR, and 150μA IQ in a TSOT23-5 package - making it the only drop-in option for new automotive designs demanding both low noise and functional safety alignment.
Availability
MPQ20056GJ-33-Z is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial CAN gateways, and portable medical devices requiring stable component supply with full AEC-Q100 traceability and long-term lifecycle support.
Supply support for MPQ20056GJ-33-Z 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
Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance analog and power ICs, with design centers in the US, China, and Taiwan, and global manufacturing partnerships.
The MPQ20056 series belongs to MPS's automotive-grade LDO portfolio, engineered specifically for noise-sensitive, thermally constrained subsystems in vehicles - emphasizing PSRR, low IQ, and AEC-Q100 reliability over generic power management.
FAQ
Is MPQ20056GJ-33-Z pin-compatible with other MPQ20056 variants in TSOT23-5?
Yes - all TSOT23-5 variants (e.g., MPQ20056GJ-25-Z, MPQ20056GJ-18-Z) share identical pinout, footprint, and thermal characteristics. Only the internal feedback resistor network differs to set output voltage; no layout change is needed when swapping fixed-output versions.
Does MPQ20056GJ-33-Z require an external feedback resistor divider?
No - the "GJ" suffix denotes fixed-output configuration; FB pin is internally connected and must be left unconnected. External resistors are required only for adjustable versions (e.g., MPQ20056GJ-Z), not this 3.3V variant.
What is the maximum allowable power dissipation for MPQ20056GJ-33-Z at 85°C ambient?
Using θJA = 220°C/W and TJ(MAX) = 125°C (recommended max operating junction temperature), PD(MAX) = (125°C − 85°C) / 220°C/W = 182mW. At 250mA load and 3.3V output, VIN must stay ≤4.2V to avoid exceeding this limit.
Can MPQ20056GJ-33-Z be used without the EN pin connection?
Yes - tie EN directly to IN (VIN) for always-on operation. Floating EN is prohibited; doing so may cause unpredictable startup behavior or increased ground current due to leakage paths in the enable comparator.
How does the 100mV dropout specification translate to minimum input voltage at 250mA?
With 3.3V nominal output, minimum input is 3.3V + 0.1V = 3.4V at 25°C. At worst-case temperature (−40°C to +125°C), dropout rises to 200mV, so minimum VIN becomes 3.5V - critical for cold-crank scenarios in 12V automotive systems.
Is the TSOT23-5 package of MPQ20056GJ-33-Z lead-free and RoHS-compliant?
Yes - all MPQ20056 variants are fully lead-free, halogen-free, and compliant with EU RoHS Directive 2011/65/EU and China RoHS. MPS publishes material declarations and green status on its official quality assurance portal.
Does MPQ20056GJ-33-Z include reverse-voltage protection?
No - the internal PMOS body diode conducts from OUT to IN if VOUT > VIN, risking damage from uncontrolled reverse current. An external Schottky diode (anode to IN, cathode to VIN) is required in backup-battery or hot-swap configurations per MPS Application Note AN-105.
MPQ20056GJ-33-Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 3.3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.2V @ 250mA
- Current - Output:
- 250mA
- Current - Quiescent (Iq):
- 250 µA
- Current - Supply (Max):
- 330 µA
- PSRR:
- 65dB ~ 33dB (100Hz ~ 1MHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Under Voltage Lockout (UVLO)
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
MPQ20056GJ-33-Z FAQ
1.How can I place an order for MPQ20056GJ-33-Z through Aetrix?
Please submit a Request for Quotation (RFQ) for MPQ20056GJ-33-Z 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 MPQ20056GJ-33-Z reliable?
The price and inventory of MPQ20056GJ-33-Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPQ20056GJ-33-Z is usually 5 days.
3.What payment methods are accepted for MPQ20056GJ-33-Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPQ20056GJ-33-Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPQ20056GJ-33-Z?
MPQ20056GJ-33-Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPQ20056GJ-33-Z 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 MPQ20056GJ-33-Z?
For technical support, including MPQ20056GJ-33-Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPQ20056GJ-33-Z requirements.
6.How does Aetrix verify that MPQ20056GJ-33-Z is sourced from the original manufacturer or authorized distributors?
All MPQ20056GJ-33-Z 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 MPQ20056GJ-33-Z meets industry standards.
7.What is the process for return or replacement of MPQ20056GJ-33-Z?
All MPQ20056GJ-33-Z units undergo pre-shipment inspection (PSI). If there is an issue with MPQ20056GJ-33-Z, 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 MPQ20056GJ-33-Z part is unused and in its original packaging.
Return procedure for MPQ20056GJ-33-Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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