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Analog Devices Inc./Maxim Integrated MAX8882EUTAQ
- Part No.:
- MAX8882EUTAQ
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- SOT-23-6
- Datasheet:
-
MAX8882EUTAQ.pdf
- Description:
- IC REG LINEAR LDO
- Quantity:
- Payment:
- Shipping:
Inventory:2,072
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Product details
Overview
The MAX8882EUTAQ from Maxim Integrated is a dual low-noise, low-dropout linear regulator IC with fixed output voltages of 3.3V (OUTA) and 2.5V (OUTB), operating from 2.5V to 6.5V input, delivering up to 160mA per channel, featuring 72mV dropout at 80mA load, 40µVRMS output noise, and 165µA quiescent current - used for powering µP/DSP core and I/O rails in battery-powered portable electronics.
For engineers reviewing the MAX8882EUTAQ datasheet, MAX8882EUTAQ pinout, MAX8882EUTAQ application, or MAX8882EUTAQ equivalent, this page delivers verified electrical parameters, SOT23-6 package mapping, dual-LDO shutdown behavior, noise-reduction bypass architecture, and real-world use cases in handheld instruments and digital cameras.
Technical Context
The MAX8882EUTAQ integrates two independent P-channel MOSFET-based LDOs sharing a single reference and shutdown control (SHDN), enabling coordinated power sequencing. Its internal architecture eliminates base-drive current loss, maintaining constant 165µA supply current across load and dropout conditions.
It uses an external 0.01µF capacitor on the BP pin to filter reference noise, reducing output voltage noise to 40µVRMS (10Hz–100kHz); PSRR exceeds 62dB at 100Hz but rolls off above 100kHz due to internal compensation and pass-transistor bandwidth limits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | +2.5V to +6.5V - supports single-cell Li-ion, Li-poly, and multi-cell alkaline/NiMH battery inputs without external pre-regulation. |
| Output Voltages | 3.3V (OUTA), 2.5V (OUTB) - fixed, factory-trimmed outputs eliminating external feedback resistors and ensuring ±2% accuracy over temperature. |
| Max Output Current | 160mA per LDO - sufficient for powering low-power microcontrollers, sensors, and interface ICs in space-constrained designs. |
| Dropout Voltage | 72mV at 80mA - enables >97% efficiency at light-to-moderate loads when VIN = 3.37V for 3.3V rail, extending usable battery life. |
| Output Noise | 40µVRMS (10Hz–100kHz) - achieved via BP pin bypass; critical for noise-sensitive analog circuits like ADC references or RF front-end biasing. |
| Quiescent Current | 165µA (both LDOs active) - independent of load or dropout, enabling ultra-low standby power in always-on subsystems. |
| PSRR | 62dB at 100Hz - suppresses low-frequency ripple from switching converters or noisy DC sources feeding the LDO input. |
Pinout & Package
SOT23-6 package (U6S-3* drawing code), 1.6mm × 2.9mm footprint, thermally enhanced GND pin requiring solder connection to PCB ground plane for thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUTB | Regulator B output | Delivers fixed 2.5V up to 160mA; requires 2.2µF ceramic output capacitor (ESR < 0.5Ω) for stability. |
| 2 - GND | Ground and thermal pad | Common return path and primary heat sink; must connect to large copper area for safe operation at full load. |
| 3 - BP | Reference bypass terminal | Accepts 0.01µF ceramic capacitor to reduce internal reference noise, directly lowering output voltage noise to 40µVRMS. |
| 4 - SHDN | Global shutdown input | Logic-low disables both LDOs and reference, reducing total supply current to 10nA - essential for deep-sleep modes. |
| 5 - IN | Input supply rail | Accepts 2.5V–6.5V; supplies both LDOs and internal reference; requires 2.2µF input capacitor for transient immunity. |
| 6 - OUTA | Regulator A output | Delivers fixed 3.3V up to 160mA; electrically isolated from OUTB with >60dB channel-to-channel isolation at 100kHz. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent LDOs in SOT23-6 | Enables compact dual-rail power delivery (3.3V/2.5V) without discrete regulators or larger packages - saves >40% board area vs. two SO-8 LDOs. |
| Low 40µVRMS output noise | Validated with 0.01µF BP capacitor; meets noise requirements for precision analog signal chains where LDO noise couples into ADC or op-amp references. |
| 72mV dropout at 80mA | Reflects RDS(ON) ≈ 0.9Ω of internal P-MOSFET; allows operation down to VIN = 3.372V for 3.3V rail - extends battery runtime in portable devices. |
| 165µA quiescent current (both on) | Constant across load and dropout - eliminates trade-off between light-load efficiency and regulation performance in intermittent-duty applications. |
| Thermal shutdown with 10°C hysteresis | Protects against sustained overload or poor PCB thermal design; auto-recovers after junction cools to 150°C, preventing latch-up during transient faults. |
Applications
| µP/DSP Core & I/O Power | Digital Cameras |
|---|---|
Use Scenario: Powering ARM Cortex-M microcontroller with separate 3.3V I/O and 2.5V analog-peripheral rails from a single Li-ion cell. IC Role / Device Role / Timing Role: Dual-LDO provides clean, sequenced, low-noise voltage domains - OUTA powers GPIO/UART/SPI, OUTB powers ADC reference and sensor interfaces. Use Value: Eliminates need for two discrete regulators and reduces EMI from switching converters, improving ADC ENOB by ≥1.5 bits in battery-operated imaging modules. | Use Scenario: Supplying image sensor interface (2.5V) and ISP processor core (3.3V) in compact 1080p video recorder. IC Role / Device Role / Timing Role: Regulator A powers high-speed MIPI CSI-2 transmitter logic; Regulator B supplies low-noise analog front-end for CMOS image sensor biasing. Use Value: 40µVRMS noise ensures <1 LSB noise floor in 12-bit sensor ADC; 72mV dropout enables operation until battery drops to 3.37V, maximizing recording time per charge. |
| Hand-Held Instruments | Cellular Telephones |
Use Scenario: Providing stable 3.3V logic and 2.5V precision DAC/ADC reference in portable multimeter with Bluetooth LE connectivity. IC Role / Device Role / Timing Role: OUTA powers MCU and BLE radio; OUTB supplies ratiometric reference for 16-bit delta-sigma ADC measuring mV-level signals. Use Value: BP-bypassed noise performance prevents reference-induced offset drift; 165µA quiescent current enables >1-year shelf life in battery-backed storage mode. | Use Scenario: Generating auxiliary 2.5V and 3.3V rails for baseband processor I/O and audio codec in legacy GSM handset. IC Role / Device Role / Timing Role: Dual-LDO replaces discrete solutions in constrained RF shielded section; SHDN enables fast power cycling during call setup/idle transitions. Use Value: Single-pin shutdown simplifies PMIC interface; 62dB PSRR attenuates switching noise from PA DC-DC converter, reducing audio band ripple by >20dB. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS70245PWPR | Fixed 3.3V/2.5V outputs, 250mA per channel, higher 260µA quiescent current, no BP pin for noise reduction. | Lacks dedicated reference bypass - output noise ~120µVRMS; unsuitable for precision analog rails requiring sub-50µVRMS. | Select only if higher output current or TI ecosystem compatibility outweighs noise sensitivity. |
| MCP1826S-3302502H/DB | 3.3V/2.5V outputs, 300mA per channel, 120µA quiescent current, no BP pin, different pinout (no shared SHDN). | Independent enable pins require additional GPIOs; lacks thermal hysteresis (shuts down at 150°C, no auto-recovery). | Prefer when higher current headroom is needed and system can accommodate separate enable control logic. |
Compared with TPS70245PWPR and MCP1826S-3302502H/DB, the MAX8882EUTAQ offers superior noise performance (40µVRMS) and coordinated shutdown via single SHDN pin - critical for minimizing wake-up latency and preserving signal integrity in portable instrumentation and imaging systems.
Availability
MAX8882EUTAQ is available at Aetrix Electronics and suitable for µP/DSP core & I/O power, digital cameras, and hand-held instruments requiring stable component supply, RoHS-compliant sourcing, and long-term production continuity.
Supply support for MAX8882EUTAQ 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, medical, and portable applications.
The MAX8882/MAX8883 product line targets battery-powered portable electronics requiring dual low-noise, low-quiescent-current LDOs in minimal footprints - optimized for extended runtime and signal integrity in space-constrained designs.
FAQ
What are the exact output voltages of the MAX8882EUTAQ?
The MAX8882EUTAQ delivers fixed 3.3V on OUTA and fixed 2.5V on OUTB, factory-trimmed to ±2% accuracy over -40°C to +85°C. These values are confirmed in the Selector Guide table and Electrical Characteristics section of the MAX8882 datasheet; no external components are required to set or adjust these outputs.
Does the MAX8882EUTAQ support independent shutdown of each LDO?
No, the MAX8882EUTAQ does not support independent shutdown. It uses a single SHDN pin (Pin 4) that controls both LDOs simultaneously. This is a key distinction from the MAX8883 series (e.g., MAX8883EUTAQ), which features separate SHDNA and SHDNB inputs - confirmed in the Pin Description and Detailed Description sections of the datasheet.
What capacitor is required on the BP pin of the MAX8882EUTAQ to achieve 40µVRMS noise?
A 0.01µF ceramic capacitor must be placed between the BP pin (Pin 3) and GND to achieve the specified 40µVRMS output noise. This value is explicitly stated in the Low-Noise Operation (MAX8882) section and Typical Operating Characteristics; using larger capacitance reduces noise slightly but increases startup time, as shown in the Shutdown Response graph.
Can the MAX8882EUTAQ operate with an input voltage below 2.5V?
No, the MAX8882EUTAQ has a minimum input voltage of 2.5V, enforced by internal undervoltage lockout (UVLO) with a typical threshold of 2.25V and 40mV hysteresis. Operation below 2.5V is prohibited per Absolute Maximum Ratings and will result in unregulated output or shutdown - confirmed in the Electrical Characteristics table and UVLO specification.
Is the MAX8882EUTAQ RoHS-compliant and lead-free?
The MAX8882EUTAQ variant is not RoHS-compliant or lead-free; it uses standard SnPb finish. The RoHS-compliant version is designated MAX8882EUTAQ+, which uses lead-free packaging and is documented in the Part Number Table with "+" suffix and "RoHS/Lead-Free: Yes" status.
MAX8882EUTAQ 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):
- 2.5V, 3.3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.144V @ 80mA, 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-6
MAX8882EUTAQ FAQ
1.How can I place an order for MAX8882EUTAQ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX8882EUTAQ 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 MAX8882EUTAQ reliable?
The price and inventory of MAX8882EUTAQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX8882EUTAQ is usually 5 days.
3.What payment methods are accepted for MAX8882EUTAQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX8882EUTAQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX8882EUTAQ?
MAX8882EUTAQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX8882EUTAQ 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 MAX8882EUTAQ?
For technical support, including MAX8882EUTAQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX8882EUTAQ requirements.
6.How does Aetrix verify that MAX8882EUTAQ is sourced from the original manufacturer or authorized distributors?
All MAX8882EUTAQ 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 MAX8882EUTAQ meets industry standards.
7.What is the process for return or replacement of MAX8882EUTAQ?
All MAX8882EUTAQ units undergo pre-shipment inspection (PSI). If there is an issue with MAX8882EUTAQ, 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 MAX8882EUTAQ part is unused and in its original packaging.
Return procedure for MAX8882EUTAQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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