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Analog Devices Inc./Maxim Integrated MAX882ESA/GH9
- Part No.:
- MAX882ESA/GH9
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX882ESA/GH9.pdf
- Description:
- Fixed/Adjustable Positive LDO Re
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
MAX882ESA/GH9 from Maxim Integrated is a -40°C to +85°C, 3.3V fixed-output, low-dropout linear regulator with p-channel MOSFET pass element, 200mA output current, 11µA typical quiescent current, and 7µA standby mode-designed for battery-powered portable instruments requiring ultra-low IQ and reverse-current protection.
For engineers reviewing the MAX882ESA/GH9 datasheet, MAX882ESA/GH9 pinout, MAX882ESA/GH9 application, or MAX882ESA/GH9 equivalent, this page delivers verified electrical specs, SOIC-8 package layout, Dual Mode™ fixed/adjustable operation, thermal and foldback protection details, and real-world selection guidance for low-power embedded power rails.
Technical Context
The MAX882ESA/GH9 employs a 1.20V internal reference and error amplifier driving a p-channel MOSFET pass transistor-eliminating base-current losses inherent in bipolar regulators and enabling stable 11µA IQ across load (0–200mA) and dropout conditions. Its Dual Mode™ comparator selects between internal 3.3V feedback (SET = GND) or external resistor-adjustable output (1.25V–11V) based on SET pin voltage threshold (65mV).
It integrates reverse-current protection that activates when VIN falls 6mV below VOUT, limiting reverse leakage to ≤50µA at 3.3V; thermal shutdown triggers at +160°C with 10°C hysteresis; and foldback current limiting restricts output to 170mA under short-circuit (VOUT < 0.8V) or 430mA otherwise-ensuring safe operation within its 1.5W SOIC package's thermal limits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3V ±3.5% over -40°C to +85°C; supports adjustable mode via external resistors (1.25V–11V) |
| Dropout Voltage | 320mV max at 200mA and 3.3V output-enables regulation down to VIN = 3.62V |
| Quiescent Current | 11µA typical (0–200mA load); 7µA typical in STBY mode-extends battery life in always-on sensing nodes |
| Shutdown/Standby | STBY mode (active-low): output disabled but LBI comparator & bias remain active; IQ ≤15µA max |
| Protection Features | Foldback current limit (170mA short-circuit / 430mA normal), reverse-current protection (6mV trip), thermal shutdown (+160°C), and reverse-battery immunity |
| Input Voltage Range | 2.7V to 11.5V-supports single-cell Li-ion, multi-cell alkaline, and solar-charged systems |
| Package Power Rating | 1.5W SOIC-8 (θJB = 53°C/W)-enables 200mA continuous output at higher ambient vs. standard SOIC |
Pinout & Package
MAX882ESA/GH9 is housed in an 8-pin SOIC package with exposed thermal pad (standard JEDEC MS-012AC), rated for 1.5W dissipation. All GND pins (pins 3 and 6) serve as both electrical ground and primary heat conduction paths-must be soldered to large copper planes for thermal integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - LBO | Open-drain low-battery output | Asserts low when LBI < 1.20V; requires external pull-up; remains functional in STBY mode |
| 2 - SET | Dual Mode™ feedback select | Connect to GND for 3.3V fixed output; connect to resistor divider for adjustable mode (threshold = 65mV) |
| 3, 6 - GND | Power and thermal ground | Both pins must be connected to PCB ground plane-critical for heat dissipation and noise immunity |
| 4 - OUT | Regulated output | Supplies up to 200mA; requires ≥2.2µF ceramic output capacitor for stability |
| 5 - IN | Input supply | Accepts 2.7V–11.5V; requires 0.1µF–10µF input bypass capacitor |
| 7 - STBY | Active-low standby control | Pulls low to disable output while preserving LBI comparator and reference; threshold = 1.20V |
| 8 - LBI | Low-battery comparator input | Monitors battery voltage via resistor divider; hysteresis = 7mV; tie to IN if unused |
Key Features
| Feature | Design Value |
|---|---|
| Dual Mode™ operation | Single-pin (SET) selection between factory-trimmed 3.3V output or user-adjustable 1.25V–11V-no external components needed for fixed mode |
| p-Channel MOSFET pass transistor | Eliminates PNP base-current losses-maintains 11µA IQ across full 0–200mA load range and in dropout |
| Reverse-current protection | Activates at VOUT − VIN ≥ 6mV-limits reverse leakage to ≤50µA at 3.3V, preventing battery drain in backup-supply scenarios |
| Thermal overload protection | Shuts down at +160°C junction temperature with 10°C hysteresis-prevents permanent damage during sustained overload |
| Low-battery detection with hysteresis | 1.20V reference-based comparator with 7mV hysteresis on LBI pin-enables reliable battery monitoring without external comparators |
Applications
| Portable Medical Sensors | Solar-Powered Environmental Loggers |
|---|---|
Use Scenario: Wearable ECG patch operating continuously on coin-cell battery with intermittent Bluetooth transmission. IC Role / Device Role / Timing Role: Primary 3.3V power rail regulator with standby mode triggered by MCU sleep signal to preserve sensor biasing and LBI monitoring. Use Value: 7µA standby current extends battery life >6 months; reverse-current protection prevents discharge when USB charging briefly exceeds battery voltage. |
Use Scenario: Remote soil moisture node powered by small solar panel and supercapacitor, logging data every 15 minutes. IC Role / Device Role / Timing Role: Input-stage LDO regulating variable solar input (3.5V–10V) to stable 3.3V for microcontroller and ADC. Use Value: 2.7V–11.5V input range accommodates wide solar voltage swing; 320mV dropout ensures regulation even at low-light battery voltages (~3.6V). |
| Industrial Handheld Scanners | Low-Power IoT Edge Nodes |
Use Scenario: Rugged barcode scanner using Li-ion battery and high-current laser driver, requiring clean 3.3V for logic and analog front-end. IC Role / Device Role / Timing Role: Main system regulator with foldback current limiting to survive motor-induced load transients and accidental shorts. Use Value: 430mA foldback limit protects IC during 200mA peak laser pulses; 250mV typical dropout minimizes heat rise during high-current bursts. |
Use Scenario: Battery-operated LoRaWAN sensor node transmitting temperature/humidity every 2 hours, spending >99% time in deep sleep. IC Role / Device Role / Timing Role: Always-on 3.3V supply enabling fast wake-up from STBY mode (<200µs), with LBI monitoring battery health between transmissions. Use Value: STBY mode maintains LBI comparator functionality at 7µA-enables predictive battery replacement alerts without waking MCU. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-IQ, 3.3V LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Texas Instruments TPS76333 | 200mA output, 17µA IQ, 350mV dropout at 200mA, SOIC-8, no standby mode-only OFF mode (<1µA) | Lacks STBY functionality; LBO/LBI not integrated-requires external comparator for battery monitoring | Select when lowest shutdown IQ is critical and battery monitoring is handled externally. |
| Analog Devices ADP160ACBZ-3.3-R7 | 150mA output, 850nA IQ (shutdown), 170mV dropout at 150mA, 5-pin TSOT-5-no LBI/LBO or STBY | No battery monitor or standby mode; lower current rating; smaller footprint | Select for space-constrained designs where 150mA suffices and system-level battery management exists. |
Compared with TPS76333 and ADP160ACBZ-3.3-R7, MAX882ESA/GH9 uniquely combines 3.3V fixed output, 7µA standby mode with live LBI monitoring, and integrated reverse-current protection-making it optimal for battery-critical systems needing autonomous low-power supervision without added components.
Availability
MAX882ESA/GH9 is available at Aetrix Electronics and suitable for portable medical sensors, solar-powered environmental loggers, industrial handheld scanners, and low-power IoT edge nodes requiring stable component supply with guaranteed long-term lifecycle support.
Supply support for MAX882ESA/GH9 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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for demanding industrial, automotive, and communications applications.
MAX882ESA/GH9 belongs to Maxim's micropower LDO family designed specifically for battery longevity in portable instrumentation-emphasizing ultra-low IQ, robust protection, and seamless integration of battery monitoring functions.
FAQ
What is the maximum continuous output current of the MAX882ESA/GH9?
The MAX882ESA/GH9 delivers up to 200mA continuous output current at junction temperatures ≤+125°C when used with adequate PCB copper area for thermal dissipation. At higher ambient temperatures or reduced heatsinking, derating applies per its 1.5W SOIC package thermal resistance (θJB = 53°C/W). The device sustains 200mA only when (VIN − VOUT) remains within safe power dissipation limits-see Figure 5a in the MAX882 datasheet for exact operating regions.
Does the MAX882ESA/GH9 support adjustable output voltage?
Yes, the MAX882ESA/GH9 supports adjustable output from 1.25V to 11V via external resistors connected to the SET pin-leveraging its Dual Mode™ architecture. When SET is grounded, it defaults to fixed 3.3V output. For adjustable mode, use the formula VOUT = 1.20V × (1 + R1/R2), where R2 connects SET to GND and R1 connects OUT to SET. The SET pin draws <50nA, enabling high-value resistors to minimize power loss.
How does the STBY mode of the MAX882ESA/GH9 differ from OFF mode in other regulators?
The MAX882ESA/GH9 STBY mode disables the output but keeps the internal 1.20V reference, low-battery comparator (LBI/LBO), and bias circuitry fully operational-drawing only ~7µA. This differs from OFF mode (used in MAX883/MAX884) which shuts down all circuitry (<1µA). STBY enables continuous battery monitoring during system sleep, making MAX882ESA/GH9 ideal for applications requiring wake-on-low-battery events without MCU intervention.
What protection features are integrated into the MAX882ESA/GH9?
The MAX882ESA/GH9 integrates five key protections: (1) foldback current limiting (170mA short-circuit / 430mA normal), (2) reverse-current protection (activates at VOUT − VIN ≥ 6mV), (3) thermal shutdown (+160°C with 10°C hysteresis), (4) reverse-battery immunity, and (5) low-battery detection with 7mV hysteresis. These eliminate need for external protection components in space- and cost-sensitive portable designs.
Can the MAX882ESA/GH9 be used with ceramic output capacitors?
Yes, the MAX882ESA/GH9 is stable with ceramic output capacitors ≥2.2µF and requires no minimum ESR-unlike many older LDOs. Its internal compensation is optimized for low-ESR ceramics, simplifying design and reducing board area. A 2.2µF X7R or X5R 0805 ceramic capacitor placed close to the OUT and GND pins meets all stability requirements across -40°C to +85°C.
MAX882ESA/GH9 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Adjustable (Fixed)
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 11.5V
- Voltage - Output (Min/Fixed):
- 1.25V (3.3V)
- Voltage - Output (Max):
- 11V
- Voltage Dropout (Max):
- 0.64V @ 200mA
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 25 µA
- Current - Supply (Max):
- 25 µA
- PSRR:
- -
- Control Features:
- Enable, Low Battery Detection
- Protection Features:
- Over Current, Over Temperature, Reverse Polarity
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX882ESA/GH9 FAQ
1.How can I place an order for MAX882ESA/GH9 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX882ESA/GH9 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 MAX882ESA/GH9 reliable?
The price and inventory of MAX882ESA/GH9 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX882ESA/GH9 is usually 5 days.
3.What payment methods are accepted for MAX882ESA/GH9?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX882ESA/GH9 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX882ESA/GH9?
MAX882ESA/GH9 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX882ESA/GH9 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 MAX882ESA/GH9?
For technical support, including MAX882ESA/GH9 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX882ESA/GH9 requirements.
6.How does Aetrix verify that MAX882ESA/GH9 is sourced from the original manufacturer or authorized distributors?
All MAX882ESA/GH9 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 MAX882ESA/GH9 meets industry standards.
7.What is the process for return or replacement of MAX882ESA/GH9?
All MAX882ESA/GH9 units undergo pre-shipment inspection (PSI). If there is an issue with MAX882ESA/GH9, 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 MAX882ESA/GH9 part is unused and in its original packaging.
Return procedure for MAX882ESA/GH9:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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