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Analog Devices Inc./Maxim Integrated MAX8530ETTK2+T
- Part No.:
- MAX8530ETTK2+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 6-WDFN Exposed Pad
- Datasheet:
-
MAX8530ETTK2+T.pdf
- Description:
- IC REG LINEAR 2.8V/1.8V 6TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,384
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Product details
Overview
MAX8530ETTK2+T from Maxim Integrated is a dual low-dropout linear regulator IC with integrated microprocessor reset circuit, delivering 2.8V/200mA (OUT1) and 1.8V/150mA (OUT2) from 2.5V–6.5V input in a 3mm × 3mm thin QFN-EP package. It features 100mV typical dropout at 100mA, 130µA quiescent current, and open-drain active-low RESET with 100ms minimum timeout-designed for baseband and core voltage regulation in battery-powered handheld devices.
For engineers reviewing the MAX8530ETTK2+T datasheet, MAX8530ETTK2+T pinout, MAX8530ETTK2+T application, or MAX8530ETTK2+T equivalent, key selection criteria include guaranteed dual-output current capability, reset threshold tied to OUT1 (87% nominal), thermal shutdown at +160°C, and compatibility with ceramic output capacitors ≥2.2µF for stable operation across –40°C to +85°C.
Technical Context
The MAX8530ETTK2+T integrates two independent LDOs using internal P-channel MOSFET pass transistors-enabling ultra-low quiescent current (130µA) independent of load or dropout condition. Its reset block monitors OUT1 voltage and asserts an open-drain active-low signal when falling below 84–89% of nominal, with 100–360ms timeout delay.
Each regulator includes independent current limiting (210mA min for OUT1, 165mA min for OUT2), thermal overload protection with 10°C hysteresis, and operates over 2.5V–6.5V input range. The device lacks BP (bypass) pin-confirming it is the MAX8530 variant, not MAX8531-thus omitting low-noise features but retaining reset functionality.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltages | OUT1 = 2.8V ±3%, OUT2 = 1.8V ±3% - factory-trimmed, no external resistors required |
| Max Output Current | 200mA (OUT1), 150mA (OUT2) - guaranteed delivery under full temperature range |
| Dropout Voltage | 100mV (typ) at 100mA - enables operation down to VIN = VOUT + 0.1V, extending battery life |
| Quiescent Current | 130µA (both LDOs on) - constant across load and dropout, critical for standby power budgeting |
| RESET Threshold | 87% (typ) of OUT1 nominal voltage - ensures reliable µP reset before logic supply collapse |
| Shutdown Current | <1µA - achieved by pulling SHDN low, enabling deep-sleep system states |
| Operating Temp | –40°C to +85°C - qualified for industrial and portable consumer environments |
Pinout & Package
MAX8530ETTK2+T is housed in a 6-pin thin QFN with exposed pad (3mm × 3mm × 0.8mm), optimized for thermal dissipation via GND-connected EP. Pin 4 (GND) serves as both electrical reference and primary heatsink-must be soldered to large PCB ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT2 | Regulator 2 output | Delivers fixed 1.8V/150mA; requires ≥1µF ceramic output capacitor for stability |
| 2 - IN | Main input supply | Accepts 2.5V–6.5V; requires 2.2µF input capacitor for line transient immunity |
| 3 - OUT1 | Regulator 1 output | Delivers fixed 2.8V/200mA; supplies core/baseband rails; feeds RESET monitoring circuit |
| 4 - GND | Ground reference & thermal path | Electrical return and primary heat conduction path; must connect to large copper area |
| 5 - SHDN | Logic-controlled enable | Active-high; tie to IN or logic high for normal operation; drives both LDOs simultaneously |
| 6 - RESET | Open-drain active-low reset | Asserts low when OUT1 falls below 87% nominal; 100ms min timeout; requires external pull-up |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent LDOs | Enables simultaneous core (2.8V) and I/O (1.8V) rail generation without cross-regulation interference |
| Integrated reset monitor | Eliminates external reset IC and resistor divider-reduces BOM count and layout area by ~3 components |
| P-channel MOSFET pass element | Delivers load-proportional dropout and zero base-drive current-extends battery runtime vs. PNP-based regulators |
| Thermal & short-circuit protection | Auto-recovers after cooling (10°C hysteresis); supports indefinite output short without damage |
| Ultra-low IQ operation | 130µA supply current maintained across all load conditions-critical for always-on subsystems |
Applications
| Baseband Power Management | Microcontroller Core Supply |
|---|---|
|
Use Scenario: Regulating power for cellular baseband processors in smartphones and feature phones. IC Role / Device Role / Timing Role: Dual-rail LDO supplying 2.8V core and 1.8V I/O while monitoring core rail for safe reset assertion. Use Value: Prevents processor lockup during brownout by triggering reset before VDD drops below functional threshold. |
Use Scenario: Providing stable core voltage to ARM Cortex-M or similar MCUs in portable instrumentation. IC Role / Device Role / Timing Role: Primary voltage regulator with integrated reset-replaces discrete LDO + supervisor combo. Use Value: Reduces solution size by 40% versus discrete implementation while maintaining ±3% output accuracy over temperature. |
| Digital Camera Sensor Bias | Wireless LAN Module Power |
|
Use Scenario: Powering CMOS image sensor analog and digital rails in compact digital cameras. IC Role / Device Role / Timing Role: Dual-output LDO delivering clean 2.8V (analog) and 1.8V (digital) with coordinated reset signaling. Use Value: Ensures synchronized power-up sequencing and fault detection-prevents sensor initialization errors. |
Use Scenario: Supplying regulated voltage to IEEE 802.11b/g/n RF modules in handheld wireless clients. IC Role / Device Role / Timing Role: Low-noise, low-dropout regulator supporting rapid wake/sleep transitions. Use Value: Maintains <1µA shutdown current and fast start-up (<1ms) to meet Wi-Fi power-save timing requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-LDO-with-reset applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX8530EBTKO+T | Same package and architecture; outputs 2.8V/2.6V instead of 2.8V/1.8V | Suitable for dual-core SoC requiring matched higher-voltage rails | Select when 2.6V OUT2 is needed for interface logic; otherwise incompatible due to voltage mismatch |
| TSM1085CDR | Single 3.3V LDO (800mA), no reset, SO-8 package, 350mV dropout at 500mA | Lacks dual output, reset, and low-IQ performance; larger footprint | Only viable if redesign allows splitting rails and adding external reset; not drop-in |
Compared with MAX8530ETTK2+T, MAX8530EBTKO+T preserves pin compatibility and reset functionality but shifts OUT2 to 2.6V-making it unsuitable for 1.8V I/O domains. TSM1085CDR offers higher current but sacrifices integration, efficiency, and form factor-requiring additional components to match basic functionality.
Availability
MAX8530ETTK2+T is available at Aetrix Electronics and suitable for cellular handsets, digital cameras, and wireless LAN modules requiring stable component supply with guaranteed long-term availability and lead-free compliance.
Supply support for MAX8530ETTK2+T 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 MAX8530/MAX8531 product line delivers highly integrated, ultra-low-power dual LDOs with reset or low-noise features-targeted specifically at space-constrained, battery-operated handheld electronics.
FAQ
What output voltages does the MAX8530ETTK2+T provide?
The MAX8530ETTK2+T provides factory-set output voltages of 2.8V on OUT1 (guaranteed 200mA) and 1.8V on OUT2 (guaranteed 150mA). These values are laser-trimmed during production and require no external feedback components. The top-mark "AER" on the package confirms this specific voltage combination per the Output Voltage Selector Guide.
Does the MAX8530ETTK2+T include a reset function, and how is it triggered?
Yes, the MAX8530ETTK2+T includes an open-drain, active-low RESET output that monitors OUT1 voltage. It asserts low when OUT1 falls below 84–89% (typical 87%) of its nominal value and remains low for a minimum of 100ms after OUT1 recovers. The RESET signal is also forced low during shutdown, providing coordinated power-cycle control for connected microprocessors.
What package type and thermal considerations apply to the MAX8530ETTK2+T?
The MAX8530ETTK2+T uses a 6-pin thin QFN with exposed pad (3mm × 3mm × 0.8mm). Pin 4 (GND) and the exposed pad must be soldered to a large PCB ground plane to achieve rated thermal performance-maximum power dissipation is 1951mW at +70°C, derating 24.4mW/°C above that. Thermal shutdown activates at +160°C junction temperature with 10°C hysteresis.
Can the MAX8530ETTK2+T operate from a single-cell Li-ion battery?
Yes, the MAX8530ETTK2+T supports input voltages from 2.5V to 6.5V, making it compatible with single-cell Li-ion batteries (fully charged ~4.2V, end-of-discharge ~2.8V). With 100mV typical dropout at 100mA, it sustains regulated 2.8V/1.8V output until VIN drops to ~2.9V-enabling full utilization of battery capacity in portable systems.
How does the MAX8530ETTK2+T differ from the MAX8531 series?
The MAX8530ETTK2+T is the reset-enabled variant (includes RESET pin, no BP pin), whereas MAX8531 parts replace RESET with a BP (bypass) pin for low-noise operation (40µVRMS). MAX8530ETTK2+T lacks the BP pin and associated noise-reduction circuitry-so it is not suitable for ultra-low-noise analog supply applications but is optimal where supervisory functionality is required.
MAX8530ETTK2+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 6-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 2
- Voltage - Input (Max):
- 6.5V
- Voltage - Output (Min/Fixed):
- 2.8V, 1.8V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.2V @ 100mA, -
- Current - Output:
- 200mA, 150mA
- Current - Quiescent (Iq):
- 220 µA
- Current - Supply (Max):
- -
- PSRR:
- 60dB (100Hz)
- Control Features:
- Enable, Reset
- Protection Features:
- Over Current, Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TDFN (3x3)
MAX8530ETTK2+T FAQ
1.How can I place an order for MAX8530ETTK2+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX8530ETTK2+T 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 MAX8530ETTK2+T reliable?
The price and inventory of MAX8530ETTK2+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX8530ETTK2+T is usually 5 days.
3.What payment methods are accepted for MAX8530ETTK2+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX8530ETTK2+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX8530ETTK2+T?
MAX8530ETTK2+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX8530ETTK2+T 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 MAX8530ETTK2+T?
For technical support, including MAX8530ETTK2+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX8530ETTK2+T requirements.
6.How does Aetrix verify that MAX8530ETTK2+T is sourced from the original manufacturer or authorized distributors?
All MAX8530ETTK2+T 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 MAX8530ETTK2+T meets industry standards.
7.What is the process for return or replacement of MAX8530ETTK2+T?
All MAX8530ETTK2+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX8530ETTK2+T, 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 MAX8530ETTK2+T part is unused and in its original packaging.
Return procedure for MAX8530ETTK2+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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