MAX883
5V/3.3V or Adjustable, Low-Dropout, Low-IQ, 200mA Linear Regulator with Standby Mode
250mA LDOs Consume Just 11µA at Any Load and in Dropout
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Overview
Features and Benefits
- Foldback Current Limiting
- High-Power (1.5W) 8-Pin SO Package
- Dual Mode Operation: Fixed or Adjustable Output from 1.25V to 11V
- Large Input Range (2.7V to 11.5V)
- Internal 1.1Ω p-Channel Pass Transistor Draws No Base Current
- Low 220mV Dropout Voltage at 200mA Output Current
- 11µA (typ) Quiescent Current
- 1µA (max) Shutdown Mode or 7µA (typ) Standby Mode
- Low-Battery Detection Comparator
- Reverse-Current Protection
- Thermal-Overload Protection
Product Details
The MAX882/MAX883/MAX884 linear regulators maximize battery life by combining ultra-low supply currents and low dropout voltages. They feature 200mA output current capability at up to +125°C junction temperature and come in a 1.5W SOIC package. The 1.5W package (compared to 0.47W for standard SOIC packages) allows a wider operating range for the input voltage and output current. The MAX882/MAX883/MAX884 use a p-channel MOSFET pass transistor to maintain a low 11µA (15µA max) supply current from no-load to the full 200mA output. Unlike earlier bipolar regulators, there are no PNP base current losses that increase with output current. In dropout, the MOSFET does not suffer from excessive base currents that occur when PNP transistors go into saturation. Typical dropout voltages are 220mV at 5V and 200mA, or 320mV at 3.3V and 200mA.
The MAX882 features a 7µA standby mode that disables the output but keeps the reference, low-battery comparator, and biasing circuitry alive. The MAX883/MAX884 feature a shutdown (OFF) mode that turns off all circuitry, reducing supply current to less than 1µA. All three devices include a low-battery-detection comparator, fold-back current limiting, reverse-current protection, and thermal-overload protection.
The output is preset at 3.3V for the MAX882/MAX884 and 5V for the MAX883. In addition, all devices employ Dual Mode™ operation, allowing user-adjustable outputs from 1.25V to 11V using external resistors. The input voltage supply range is 2.7V to 11.5V.
For low-dropout linear regulators with output currents up to 500mA, refer to the MAX603/MAX604 data sheet.
Applications
- 1.25V to 11V Adjustable Regulators
- 3.3V and 5V Regulators
- Automotive Electronics
- High-Efficiency Linear Regulators
- Pagers and Cell Phones
- Portable Instrumentation
- Solar-Powered Instruments
Product Categories
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Documentation & Resources
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| MAX883CPA+ | Material Declaration | Reliability Data | Plastic Dual-In-Line, Narrow (0.3in) | |
| MAX883CSA+ | Material Declaration | Reliability Data | 8-SOIC_N-150_MIL | |
| MAX883CSA+T | Material Declaration | Reliability Data | 8-SOIC_N-150_MIL | |
| MAX883EPA+ | Material Declaration | Reliability Data | Plastic Dual-In-Line, Narrow (0.3in) | |
| MAX883ESA+ | Material Declaration | Reliability Data | 8-SOIC_N-150_MIL | |
| MAX883ESA+T | Material Declaration | Reliability Data | 8-SOIC_N-150_MIL | |
| MAX883MPA/PR+ | Material Declaration | Reliability Data | Plastic Dual-In-Line, Narrow (0.3in) | |
| Wafer Fabrication Data | MAX883 Reliability Data |
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