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Analog Devices Inc./Maxim Integrated MAX8882EUTJJ+T
- Part No.:
- MAX8882EUTJJ+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- SOT-23-6
- Datasheet:
-
MAX8882EUTJJ+T.pdf
- Description:
- IC REG LIN 2.85V/2.85V SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:4,922
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Product details
Overview
MAX8882EUTJJ+T from Maxim Integrated is a dual low-noise, low-dropout linear regulator with fixed 2.85V outputs per channel, operating from 2.5V to 6.5V input and delivering up to 160mA per LDO. It features 40μVRMS output noise (with BP bypass), 72mV dropout at 80mA, and 165μA quiescent current - designed for μP/DSP core/IO power in space-constrained portable electronics.
For engineers reviewing the MAX8882EUTJJ+T datasheet, MAX8882EUTJJ+T pinout, MAX8882EUTJJ+T application, or MAX8882EUTJJ+T equivalent, key selection criteria include dual fixed 2.85V output matching, SOT23-6 footprint compatibility, low-noise performance with BP capacitor support, and single-shutdown control architecture distinct from the dual-shutdown MAX8883 variant.
Technical Context
The MAX8882EUTJJ+T integrates two independent LDOs sharing a single shutdown input (SHDN) and an external reference bypass pin (BP) to reduce noise across both outputs. Its internal P-channel MOSFET pass transistors deliver load-proportional dropout voltage - 72mV at 80mA - while maintaining constant 165μA supply current regardless of load or dropout condition.
It supports stable operation with 2.2μF ceramic output capacitors (X7R/X5R dielectric), requires a 0.01μF BP capacitor for optimal noise performance, and provides thermal shutdown at +160°C with 10°C hysteresis, plus short-circuit and current-limit protection per channel.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage (each) | Fixed 2.85V ±2% over temperature - ensures precise core/IO rail alignment without external feedback. |
| Max Output Current | 160mA per LDO - sufficient for low-power microcontrollers, DSP I/O, or sensor interfaces. |
| Dropout Voltage | 72mV at 80mA load - enables operation down to VIN = 2.922V, extending battery life in 3V systems. |
| Output Noise | 40μVRMS (10Hz–100kHz, with 0.01μF BP cap) - critical for noise-sensitive analog/RF subsystems. |
| PSRR | 62dB at low frequency (>56dB to 100kHz) - suppresses switching noise from upstream DC/DC converters. |
| Quiescent Current | 165μA (both LDOs active, independent of load) - minimizes standby power in always-on portable devices. |
| Shutdown Current | ≤1μA - reduces system-level leakage during deep sleep modes. |
Pinout & Package
MAX8882EUTJJ+T is housed in a RoHS-compliant 6-pin SOT23-6 package (JEDEC MO-178AA), with GND serving as both electrical reference and thermal path. The package requires soldering to a large PCB copper area for effective heat dissipation under full-load conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUTB | Regulator B output | Delivers fixed 2.85V up to 160mA; requires 2.2μF ceramic capacitor to GND for stability. |
| 2 - GND | Ground / thermal pad | Primary return path and heatsink; must connect to large PCB ground plane for thermal management. |
| 3 - BP | Reference bypass | Accepts 0.01μF ceramic capacitor to reduce reference noise - essential for achieving 40μVRMS output noise. |
| 4 - SHDN | Global shutdown control | Logic-low disables both LDOs and reference; reduces supply current to ≤1μA. |
| 5 - IN | Input supply | Accepts 2.5V–6.5V; requires 2.2μF bypass capacitor to GND for line transient immunity. |
| 6 - OUTA | Regulator A output | Delivers fixed 2.85V up to 160mA; electrically identical to OUTB but physically separate for isolation. |
Key Features
| Feature | Design Value |
|---|---|
| Dual 2.85V LDOs in SOT23-6 | Enables compact dual-rail power delivery without discrete regulators or layout complexity. |
| Single SHDN with global control | Simplifies system power sequencing - one GPIO manages both outputs simultaneously. |
| BP pin for noise optimization | Allows 40μVRMS noise performance via external 0.01μF capacitor - unmatched by standard dual-LDOs. |
| P-channel MOSFET pass devices | Eliminates base-drive current loss, enabling constant 165μA IQ across all load and dropout conditions. |
| Thermal + short-circuit protection | Ensures robustness in unattended portable applications - automatic recovery after cooling. |
Applications
| μP/DSP Core & IO Power | Cellular/PCS Handsets |
|---|---|
Use Scenario: Powering ARM Cortex-M microcontroller core (1.8–2.85V) and parallel I/O bank from a single-cell Li-ion battery. IC Role / Device Role / Timing Role: Dual-rail LDO providing isolated, low-noise 2.85V supplies for digital logic and peripheral interfaces. Use Value: Eliminates need for two discrete regulators while maintaining <40μVRMS noise on sensitive I/O lines. |
Use Scenario: Supplying RF transceiver analog bias and baseband processor I/O in GSM/EDGE handsets. IC Role / Device Role / Timing Role: Low-PSRR, low-noise dual LDO decoupling noisy DC/DC converter outputs. Use Value: 62dB PSRR at baseband frequencies prevents switching noise coupling into RF front-end. |
| Digital Cameras | Hand-Held Instruments |
Use Scenario: Powering CMOS image sensor analog core and ISP digital logic in compact camera modules. IC Role / Device Role / Timing Role: Dual 2.85V regulator delivering matched rails with tight tracking and fast load transient response. Use Value: 72mV dropout extends usable battery range during high-current image capture bursts. |
Use Scenario: Providing precision analog front-end (AFE) and microcontroller power in battery-operated multimeters. IC Role / Device Role / Timing Role: Low-noise, thermally protected dual LDO supporting measurement accuracy and long runtime. Use Value: 40μVRMS noise ensures sub-LSB ADC performance; thermal shutdown prevents field failure during probe overload. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX8883EUTJJ+T | Dual independent SHDNA/SHDNB inputs; no BP pin; 320μVRMS noise (no bypass option). | Supports asymmetric shutdown (e.g., keep LDO-A active while disabling LDO-B); lacks low-noise BP capability. | Select when independent control is required and noise <40μVRMS is not critical. |
| TSM1024-2.85TR | Single 2.85V LDO (not dual); 250mV dropout at 150mA; no BP pin; 120μVRMS noise. | Requires two separate ICs to replicate dual-rail function; higher dropout limits battery end-of-life voltage. | Select only if board area allows two discrete regulators and noise/PSRR requirements are relaxed. |
Compared with MAX8883EUTJJ+T, the MAX8882EUTJJ+T offers superior noise performance and simpler control but lacks independent shutdown; versus TSM1024-2.85TR, it delivers true dual-rail integration with lower dropout and noise - making it optimal for space- and noise-constrained portable designs.
Availability
MAX8882EUTJJ+T is available at Aetrix Electronics and suitable for cellular telephones, digital cameras, and hand-held instruments requiring stable component supply, consistent parametric performance, and long-term production continuity.
Supply support for MAX8882EUTJJ+T 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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power-management ICs for demanding industrial, automotive, and portable applications.
The MAX8882/MAX8883 family targets battery-powered portable electronics needing ultra-low-noise, low-quiescent-current dual LDOs in minimal footprints - specifically addressing μP/DSP core/IO, camera, and handset power challenges.
FAQ
What output voltages does the MAX8882EUTJJ+T provide?
The MAX8882EUTJJ+T provides two identical, factory-trimmed fixed outputs of 2.85V each, with ±2% accuracy over the full -40°C to +85°C operating temperature range. This dual 2.85V configuration is laser-trimmed during production and cannot be adjusted externally - ensuring matched regulation for symmetric core/IO rail requirements in portable systems.
How does the BP pin on the MAX8882EUTJJ+T improve noise performance?
The BP (bypass) pin on the MAX8882EUTJJ+T connects to an internal reference node and must be decoupled with a 0.01μF ceramic capacitor to GND. This forms a low-pass filter that reduces reference noise, enabling the specified 40μVRMS output noise (10Hz–100kHz). Without this capacitor, noise increases significantly - the BP pin is exclusive to the MAX8882 series and absent in the MAX8883 variant.
What is the maximum input voltage rating for the MAX8882EUTJJ+T?
The MAX8882EUTJJ+T has an absolute maximum input voltage rating of +7.0V on the IN and SHDN pins, but its functional operating range is strictly +2.5V to +6.5V. Operation above +6.5V risks violating the guaranteed electrical characteristics and may trigger undervoltage lockout or damage the internal P-channel pass transistors - design must ensure VIN stays within the 2.5V–6.5V window for reliable regulation.
Does the MAX8882EUTJJ+T support independent shutdown of each LDO?
No, the MAX8882EUTJJ+T uses a single SHDN pin to control both LDOs simultaneously - asserting SHDN low disables both OUTA and OUTB and reduces total supply current to ≤1μA. Independent shutdown is only available on the MAX8883 series (e.g., MAX8883EUTJJ+T), which features separate SHDNA and SHDNB inputs. This architectural difference makes the MAX8882EUTJJ+T ideal for systems requiring synchronized power gating.
What capacitor types and values are recommended for stable operation of the MAX8882EUTJJ+T?
For stable operation, the MAX8882EUTJJ+T requires a 2.2μF X7R or X5R ceramic capacitor on IN and each OUT pin (OUTA, OUTB), plus a 0.01μF ceramic capacitor on BP. Tantalum capacitors are not recommended. Capacitor ESR must be <0.5Ω; Z5U/Y5V dielectrics require ≥4.7μF below -10°C for stability - X7R/X5R 2.2μF suffices across the full -40°C to +85°C range.
MAX8882EUTJJ+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Bulk
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 2
- Voltage - Input (Max):
- 6.5V
- Voltage - Output (Min/Fixed):
- 2.85V, 2.85V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.144V @ 80mA, 0.144V @ 80mA
- Current - Output:
- 160mA, 160mA
- Current - Quiescent (Iq):
- 265 µA
- Current - Supply (Max):
- 170 µA
- PSRR:
- 62dB (100Hz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
MAX8882EUTJJ+T FAQ
1.How can I place an order for MAX8882EUTJJ+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX8882EUTJJ+T 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 MAX8882EUTJJ+T reliable?
The price and inventory of MAX8882EUTJJ+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX8882EUTJJ+T is usually 5 days.
3.What payment methods are accepted for MAX8882EUTJJ+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX8882EUTJJ+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX8882EUTJJ+T?
MAX8882EUTJJ+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX8882EUTJJ+T 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 MAX8882EUTJJ+T?
For technical support, including MAX8882EUTJJ+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX8882EUTJJ+T requirements.
6.How does Aetrix verify that MAX8882EUTJJ+T is sourced from the original manufacturer or authorized distributors?
All MAX8882EUTJJ+T 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 MAX8882EUTJJ+T meets industry standards.
7.What is the process for return or replacement of MAX8882EUTJJ+T?
All MAX8882EUTJJ+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX8882EUTJJ+T, 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 MAX8882EUTJJ+T part is unused and in its original packaging.
Return procedure for MAX8882EUTJJ+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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