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Analog Devices Inc./Maxim Integrated MAX8882EUTJJ+
- Part No.:
- MAX8882EUTJJ+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- SOT-23-6
- Datasheet:
-
MAX8882EUTJJ+.pdf
- Description:
- FIXED POSITIVE LDO REGULATOR, 2
- Quantity:
- Payment:
- Shipping:
Inventory:6,550
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Product details
Overview
The MAX8882EUTJJ+ from Maxim Integrated is a dual low-noise, low-dropout linear regulator IC 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, 72mV dropout at 80mA, and 165µA quiescent current (both LDOs active), designed for µP/DSP core/IO power in space-constrained battery-powered systems.
For engineers reviewing the MAX8882EUTJJ+ datasheet, MAX8882EUTJJ+ pinout, MAX8882EUTJJ+ application, or MAX8882EUTJJ+ equivalent, key selection criteria include dual fixed 2.85V output matching, SOT23-6 package compatibility, low-noise performance with BP bypass support, and single-shutdown control architecture specific to the MAX8882 variant.
Technical Context
The MAX8882EUTJJ+ integrates two independent P-channel MOSFET pass transistors (1Ω RDS(ON)) enabling load-proportional dropout voltage and eliminating base-drive current loss. Its internal reference is shared between regulators and bypassed via the BP pin using a 0.01µF capacitor to reduce noise across both outputs.
Shutdown is controlled by a single SHDN input that disables both LDOs and the reference simultaneously, reducing supply current to 10nA. Thermal shutdown activates at +160°C with 10°C hysteresis, and each regulator includes independent current limiting (160mA min) and short-circuit protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage (each) | Fixed 2.85V ±2% - ensures stable core/IO rail matching common µP requirements. |
| Max Output Current | 160mA per LDO - supports moderate digital loads without external boost circuitry. |
| Dropout Voltage | 72mV at 80mA - enables operation down to VIN = 2.922V while maintaining regulation. |
| Output Noise | 40µVRMS (10Hz–100kHz) - achieved only with 0.01µF BP capacitor; critical for analog-sensitive subsystems. |
| PSRR | 62dB at 100Hz - suppresses low-frequency supply ripple from noisy DC/DC stages. |
| Quiescent Current | 165µA (both LDOs on) - constant across load and dropout, optimizing battery runtime. |
| Shutdown Current | 10nA - enables ultra-low-power sleep modes in portable devices. |
Pinout & Package
MAX8882EUTJJ+ is housed in a RoHS-compliant 6-pin SOT23-6 package (U6S+3* drawing), with GND serving as both electrical reference and thermal path. The package requires soldering to a large copper pad or ground plane for thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUTB) | Regulator B output | Delivers 2.85V/160mA; requires 2.2µF ceramic output capacitor (ESR <0.5Ω) for stability. |
| 2 (GND) | Ground / thermal pad | Primary return path and heatsink; must connect to large PCB copper area for thermal dissipation. |
| 3 (BP) | Reference bypass | Accepts 0.01µF ceramic capacitor to reduce reference noise, lowering output noise to 40µVRMS. |
| 4 (SHDN) | Global shutdown input | Logic-low disables both LDOs and reference; logic-high or tied to IN enables normal operation. |
| 5 (IN) | Input supply | Accepts 2.5V–6.5V; powers both LDOs and internal reference; requires 2.2µF input capacitor. |
| 6 (OUTA) | Regulator A output | Delivers 2.85V/160mA; identical output characteristics and decoupling requirements as OUTB. |
Key Features
| Feature | Design Value |
|---|---|
| Dual LDOs in SOT23-6 | Reduces board area vs. two discrete regulators; eliminates inter-LDO layout mismatch in tight spaces. |
| Single SHDN control | Simplifies system-level power sequencing-only one GPIO needed to disable both rails simultaneously. |
| BP pin for noise reduction | Enables 40µVRMS output noise (vs. >300µVRMS without BP cap), meeting low-noise analog supply requirements. |
| P-channel MOSFET pass devices | Eliminates base-drive current loss, ensuring 165µA quiescent current remains constant across load and dropout conditions. |
| Independent current limiting | Each LDO limits to ≥160mA, allowing safe short-circuit operation without affecting the other regulator's output. |
Applications
| µP/DSP Core & IO Power | Cellular Handset Baseband |
|---|---|
Use Scenario: Powering separate 2.85V core and I/O rails for an ARM-based microprocessor in a handheld instrument. IC Role / Device Role / Timing Role: Dual LDO provides clean, regulated, and independently decoupled supplies for processor core and peripheral interface blocks. Use Value: Shared reference and BP bypass ensure matched output noise and tracking, minimizing supply-induced jitter in timing-critical digital logic. | Use Scenario: Supplying 2.85V rails to baseband ASIC and RF transceiver I/O in a GSM/PCS handset. IC Role / Device Role / Timing Role: Regulator A powers baseband logic; Regulator B powers transceiver digital interfaces, both referenced to same internal bandgap. Use Value: Single SHDN allows coordinated power-down during sleep mode, cutting total system quiescent current to 10nA. |
| Notebook Subsystem Power | Digital Camera Image Processing |
Use Scenario: Generating dual 2.85V supplies for embedded controller and touch-screen interface in an ultraportable notebook. IC Role / Device Role / Timing Role: Provides compact, low-noise bias for mixed-signal peripherals requiring tight voltage tolerance and low PSRR sensitivity. Use Value: 62dB PSRR at 100Hz rejects ripple from main DC/DC converter, preventing display flicker or touch misreads. | Use Scenario: Powering image signal processor (ISP) core and sensor interface in a high-resolution digital camera module. IC Role / Device Role / Timing Role: Supplies regulated 2.85V to ISP logic and CMOS image sensor digital I/O, with BP bypass suppressing switching noise coupling into analog pixel data paths. Use Value: 40µVRMS noise floor prevents quantization artifacts in 12-bit ADC stages downstream of the ISP. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX8883EUTJJ+ | Dual independent SHDNA/SHDNB inputs instead of single SHDN; otherwise identical specs and pinout. | Supports asymmetric shutdown (e.g., keep OUTA active while disabling OUTB), unsuitable where global shutdown is required. | Select MAX8883EUTJJ+ only if independent control of each LDO is needed; MAX8882EUTJJ+ is preferred for synchronized power-down. |
| TCS2116-285285DBTR | Fixed 2.85V/2.85V dual LDO in SOT23-6; 150mA per channel; 65µVRMS noise; no BP pin. | Lacks BP bypass capability, resulting in higher output noise; lower max current reduces margin for peak digital loads. | Use TCS2116-285285DBTR only if BP-driven noise reduction is not required and 150mA load headroom is sufficient. |
Compared with MAX8883EUTJJ+, the MAX8882EUTJJ+ offers simpler system control with single SHDN but forfeits independent regulation disable. Versus TCS2116-285285DBTR, it delivers lower noise (40µVRMS vs. 65µVRMS) and higher current (160mA vs. 150mA), making it preferable for noise-sensitive, higher-load applications where global shutdown suffices.
Availability
MAX8882EUTJJ+ is available at Aetrix Electronics and suitable for µP/DSP core/IO power, cellular handset baseband, and digital camera image processing applications requiring stable component supply, RoHS compliance, and long-term industrial availability.
Supply support for MAX8882EUTJJ+ 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 product line targets battery-powered systems needing dual, low-noise, low-quiescent-current LDOs in minimal footprint-optimized for µP core/IO separation and noise-sensitive mixed-signal environments.
FAQ
What output voltages does the MAX8882EUTJJ+ provide?
The MAX8882EUTJJ+ provides two fixed 2.85V outputs (OUTA and OUTB), each accurate to ±2% over temperature and load. This matches common µP core and I/O voltage requirements and is confirmed by the Selector Guide and top-mark "AANR". The device does not support adjustable outputs or other voltage combinations.
Does the MAX8882EUTJJ+ require an external capacitor on the BP pin?
Yes-the MAX8882EUTJJ+ requires a 0.01µF ceramic capacitor between BP and GND to achieve its specified 40µVRMS output noise. Without this capacitor, noise increases significantly (to ~320µVRMS, per MAX8883 data). The BP pin is exclusive to the MAX8882 variant and is not present on MAX8883 devices.
How does shutdown work on the MAX8882EUTJJ+?
The MAX8882EUTJJ+ uses a single SHDN pin (Pin 4): driving it low disables both LDOs and the internal reference, reducing total supply current to 10nA. Driving SHDN high-or connecting it to IN-enables both outputs. This differs from the MAX8883EUTJJ+, which uses two independent shutdown inputs (SHDNA/SHDNB).
What is the maximum input voltage for the MAX8882EUTJJ+?
The MAX8882EUTJJ+ supports an input voltage range of +2.5V to +6.5V. Absolute maximum rating is +7.0V on IN, SHDN, and BP pins relative to GND. Operation above +6.5V risks exceeding safe power dissipation limits and violates recommended operating conditions per the datasheet.
Can the MAX8882EUTJJ+ be used with ceramic output capacitors?
Yes-the MAX8882EUTJJ+ is optimized for ceramic output capacitors. Use 2.2µF X7R or X5R dielectric capacitors (ESR < 0.5Ω) on OUTA and OUTB for stable operation across –40°C to +85°C. Z5U/Y5V ceramics may require ≥4.7µF for low-temperature stability, and tantalum capacitors are not recommended.
MAX8882EUTJJ+ 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
- Current - Output:
- 160mA, 160mA
- Current - Quiescent (Iq):
- 265 µA
- Current - Supply (Max):
- -
- 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+ FAQ
1.How can I place an order for MAX8882EUTJJ+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX8882EUTJJ+ 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+ reliable?
The price and inventory of MAX8882EUTJJ+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX8882EUTJJ+ is usually 5 days.
3.What payment methods are accepted for MAX8882EUTJJ+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX8882EUTJJ+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX8882EUTJJ+?
MAX8882EUTJJ+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX8882EUTJJ+ 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+?
For technical support, including MAX8882EUTJJ+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX8882EUTJJ+ requirements.
6.How does Aetrix verify that MAX8882EUTJJ+ is sourced from the original manufacturer or authorized distributors?
All MAX8882EUTJJ+ 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+ meets industry standards.
7.What is the process for return or replacement of MAX8882EUTJJ+?
All MAX8882EUTJJ+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX8882EUTJJ+, 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+ part is unused and in its original packaging.
Return procedure for MAX8882EUTJJ+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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