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Analog Devices Inc./Maxim Integrated MAX883CPA+
- Part No.:
- MAX883CPA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX883CPA+.pdf
- Description:
- IC REG LIN POS ADJ 200MA 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:116
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Product details
Overview
The MAX883CPA+ from Maxim Integrated is a 5V fixed-output, low-dropout linear regulator with p-channel MOSFET pass transistor, 200mA output current capability, 220mV dropout at 200mA, 11µA typical quiescent current, and shutdown mode drawing <1µA - designed for battery-powered portable instruments and cellular phones requiring stable 5V supply under varying load and input conditions.
For engineers reviewing the MAX883CPA+ datasheet, MAX883CPA+ pinout, MAX883CPA+ application, or MAX883CPA+ equivalent, key selection criteria include its 5V fixed output, SOIC-8 package thermal performance (1.5W), Dual Mode™ adjustable operation (1.25V–11V), reverse-current protection, and integrated low-battery comparator with LBO open-drain output.
Technical Context
The MAX883CPA+ uses a p-channel MOSFET pass element with no base-drive current, enabling ultra-low IQ across full load range (100µA–200mA) and stable dropout behavior in saturation. Its internal 1.20V reference feeds an error amplifier that controls gate drive to maintain regulation via either internal feedback (5V fixed) or external SET-pin resistor network.
Dual Mode™ logic detects SET pin voltage (<65mV for fixed mode, >150mV for adjustable mode) to auto-select feedback path. Shutdown is controlled by active-low OFF pin, disabling all circuitry including reference and LBI/LBO comparator - unlike MAX882's STBY mode which retains biasing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 5.00V ±2.5% (4.75–5.25V) over 100µA–200mA load, -40°C to +85°C - ensures compatibility with 5V logic and analog subsystems without external adjustment. |
| Dropout Voltage | 220mV typical at 200mA (VIN ≥ 5.22V required for full regulation) - enables operation from single Li-ion or 3-cell alkaline inputs down to ~5.2V. |
| Quiescent Current | 11µA typical, 15µA max in active mode; <1µA in OFF mode - extends battery life in standby-critical applications like pagers and remote sensors. |
| Input Voltage Range | 2.7V to 11.5V - supports wide battery chemistries (LiFePO₄, NiMH, multi-cell alkaline) and intermediate bus rails. |
| Thermal Protection | Thermal shutdown at +160°C with 10°C hysteresis - prevents permanent damage during sustained overload or poor PCB heatsinking. |
| Reverse-Current Threshold | 6mV (typ) VOUT–VIN - blocks backfeed from output capacitor into depleted input source, critical for hot-swap and backup power systems. |
| Low-Battery Detection | LBI threshold 1.20V ±40mV with 7mV hysteresis; LBO open-drain output sinks 1.2mA - enables precise battery monitoring without external comparators. |
Pinout & Package
MAX883CPA+ is housed in an 8-pin plastic SOIC package rated for 1.5W power dissipation (θJB = 53°C/W), with exposed GND pins (pins 3 & 6) serving as thermal conduction paths to PCB copper planes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (LBO) | Open-drain low-battery output | Asserts low when LBI < 1.20V; requires external pull-up; undefined in OFF mode - used for system-level battery alert signaling. |
| 2 (SET) | Dual Mode™ feedback select | Grounded for 5V fixed output; connected to external resistor divider for 1.25–11V adjustable mode - determines internal vs. external feedback path. |
| 3, 6 (GND) | Power and thermal ground | Both pins must be soldered to large copper area; primary heat conduction path in SOIC package - essential for sustaining 200mA at elevated ambient temperatures. |
| 4 (OUT) | Regulated 5V output | Sources up to 200mA; requires 2.2µF ceramic output capacitor for stability - directly powers microcontrollers, sensors, or RF modules. |
| 5 (IN) | Input supply connection | Accepts 2.7–11.5V; bypass with 0.1µF capacitor near pin - filters high-frequency noise from battery or DC/DC converter sources. |
| 7 (OFF) | Active-low shutdown control | Pulled high to IN for normal operation; driven low to reduce IQ to <1µA - enables host MCU-controlled power gating. |
| 8 (LBI) | Low-battery comparator input | Monitors battery voltage via resistor divider; ±50nA input leakage allows high-impedance sensing networks - eliminates need for external voltage reference. |
Key Features
| Feature | Design Value |
|---|---|
| Dual Mode™ Operation | Auto-selects between factory-trimmed 5V output (SET = GND) or user-adjustable 1.25–11V (SET = resistor divider) - reduces BOM count and enables one-footprint support for multiple voltage rails. |
| p-Channel Pass Transistor | 1.1Ω on-resistance with zero gate-drive current - eliminates PNP base-current losses, ensuring constant 11µA IQ from no-load to 200mA and stable dropout behavior. |
| Foldback Current Limit | 430mA limit above 0.8V output; 170mA short-circuit limit - protects against sustained overloads while allowing full 200mA delivery in dropout. |
| Reverse-Current Protection | Blocks backfeed when VIN < VOUT − 6mV - prevents discharged batteries from loading healthy cells in multi-bank systems or backup supplies. |
| Integrated Low-Battery Comparator | 1.20V threshold with 7mV hysteresis and open-drain LBO - replaces discrete comparator + reference in space-constrained portable designs. |
Applications
| Portable Medical Sensors | Industrial Handheld Terminals |
|---|---|
Use Scenario: Continuous glucose monitor powered by coin cell with 10-year shelf life requirement. IC Role / Device Role / Timing Role: Primary 5V regulator supplying ADC, Bluetooth LE radio, and display driver from single CR2032 (3V nominal). Use Value: 11µA quiescent current and <1µA shutdown extend battery life; 220mV dropout enables regulation until battery depletes to 3.22V. | Use Scenario: Ruggedized barcode scanner operating from 3.6V Li-ion with cold-temperature storage (-20°C). IC Role / Device Role / Timing Role: Main 5V rail generator for CMOS image sensor, laser diode driver, and ARM Cortex-M4 MCU. Use Value: 1.5W SOIC package sustains 200mA at +85°C ambient; reverse-current protection prevents battery drain during USB charging disconnect. |
| Smart Meter Communication Modules | Wireless Sensor Node Gateways |
Use Scenario: PLC/GPRS module in utility meter requiring reliable 5V supply across 2.7–11.5V input range (battery + supercap backup). IC Role / Device Role / Timing Role: Voltage supervisor and regulator with integrated LBO for battery health reporting to host MCU. Use Value: Single-chip solution replaces discrete LDO + comparator + reference; LBI input leakage <50nA minimizes battery drain in always-on monitoring. | Use Scenario: LoRaWAN gateway powered by solar panel + LiFePO₄ battery with intermittent sunlight exposure. IC Role / Device Role / Timing Role: System power manager providing regulated 5V to ESP32-WROVER and SX1276 transceiver during burst transmission. Use Value: Dual Mode™ allows same PCB to support 3.3V or 5V variants; thermal shutdown prevents damage during solar peak irradiance events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-dropout, low-IQ linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS76350DBVR | 5V fixed, 150mA output, 80µA IQ, SOT-23-5 package - higher quiescent current, lower current rating, smaller footprint. | Lacks LBO/LBI comparator, reverse-current protection, and Dual Mode™ adjustability - requires external components for battery monitoring. | Select when board space is constrained and 150mA suffices; not suitable for systems requiring <15µA IQ or integrated battery sensing. |
| MCP1703T-5002E/MB | 5V fixed, 250mA output, 4µA IQ, SOT-23-5 - lower IQ but no LBO/LBI, no reverse-current protection, no adjustable mode. | Thermal derating limits 250mA to lower ambient temps; lacks diagnostic features - best for simple point-of-load regulation only. | Choose for ultra-low-power sleep modes where battery monitoring is handled elsewhere; avoid when system-level fault detection is required. |
Compared with TPS76350DBVR and MCP1703T-5002E/MB, the MAX883CPA+ uniquely integrates low-battery detection, reverse-current blocking, and Dual Mode™ adjustability in a thermally robust SOIC-8 package - making it optimal for portable systems needing both efficiency and embedded power management intelligence.
Availability
MAX883CPA+ is available at Aetrix Electronics and suitable for portable medical sensors, industrial handheld terminals, smart meter communication modules, and wireless sensor node gateways requiring stable component supply with long-term lifecycle assurance.
Supply support for MAX883CPA+ 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 semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, automotive, and communications markets.
The MAX882/MAX883/MAX884 product line was engineered specifically for micropower battery-operated systems demanding ultra-low IQ, low dropout, and integrated power supervision - targeting pagers, cellular handsets, and portable instrumentation.
FAQ
What is the maximum continuous output current of the MAX883CPA+?
The MAX883CPA+ delivers up to 200mA continuously under specified thermal conditions (TJ ≤ +125°C). At higher ambient temperatures or with insufficient PCB copper, derating applies per Figure 5b in the datasheet. Peak current capability reaches 250mA for short durations, but sustained operation above 200mA risks thermal shutdown unless heatsinking is enhanced. The MAX883CPA+'s 1.5W SOIC package enables higher current than standard SOIC regulators.
Does the MAX883CPA+ support adjustable output voltage?
Yes, the MAX883CPA+ supports adjustable output from 1.25V to 11V using external resistors connected to the SET pin - enabled by its Dual Mode™ architecture. When SET is grounded, it defaults to fixed 5V output. The equation VOUT = 1.20V × (1 + R1/R2) applies, with R2 up to 1.5MΩ permitted due to near-zero SET input bias current. This flexibility allows one MAX883CPA+ design to serve multiple voltage-rail requirements.
How does the shutdown (OFF) mode of the MAX883CPA+ differ from standby mode?
The MAX883CPA+ implements only OFF mode (active-low), not standby - unlike the MAX882CPA+. In OFF mode, the entire IC (including reference, LBI/LBO comparator, and biasing) is powered down, reducing supply current to <1µA. Standby mode (STBY pin) exists only on MAX882 and retains comparator functionality at ~7µA. Therefore, MAX883CPA+ offers deeper power savings but sacrifices battery-monitoring capability during shutdown.
What capacitor values are required for stable operation of the MAX883CPA+?
The MAX883CPA+ requires a minimum 2.2µF ceramic output capacitor (COUT) at the OUT pin for guaranteed stability across temperature and load. An input bypass capacitor of 0.1µF to 10µF (typically 0.1µF X7R ceramic) is recommended at the IN pin to suppress high-frequency noise and improve line-transient response. ESR of the output capacitor does not affect stability if capacitance meets the 2.2µF minimum - enabling use of low-ESR polymer or tantalum alternatives.
Can the MAX883CPA+ be used with lithium iron phosphate (LiFePO₄) batteries?
Yes, the MAX883CPA+ is well-suited for LiFePO₄ batteries, which have nominal 3.2V and full-charge ~3.65V voltages. Its 2.7V–11.5V input range accommodates LiFePO₄ discharge curves, and its 220mV dropout at 200mA means it regulates down to ~3.42V - covering >95% of usable battery capacity. Reverse-current protection prevents backfeed during charge termination, and the integrated LBI/LBO comparator enables precise end-of-discharge detection at 2.8V–3.0V via external resistor divider.
MAX883CPA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Adjustable (Fixed)
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 11.5V
- Voltage - Output (Min/Fixed):
- 1.25V (5V)
- Voltage - Output (Max):
- 11V
- Voltage Dropout (Max):
- 0.44V @ 200mA
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 15 µA
- Current - Supply (Max):
- 25 µA
- PSRR:
- -
- Control Features:
- Enable, Low Battery Detection
- Protection Features:
- Over Current, Over Temperature, Reverse Polarity
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
MAX883CPA+ FAQ
1.How can I place an order for MAX883CPA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX883CPA+ 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 MAX883CPA+ reliable?
The price and inventory of MAX883CPA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX883CPA+ is usually 5 days.
3.What payment methods are accepted for MAX883CPA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX883CPA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX883CPA+?
MAX883CPA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX883CPA+ 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 MAX883CPA+?
For technical support, including MAX883CPA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX883CPA+ requirements.
6.How does Aetrix verify that MAX883CPA+ is sourced from the original manufacturer or authorized distributors?
All MAX883CPA+ 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 MAX883CPA+ meets industry standards.
7.What is the process for return or replacement of MAX883CPA+?
All MAX883CPA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX883CPA+, 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 MAX883CPA+ part is unused and in its original packaging.
Return procedure for MAX883CPA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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