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Analog Devices Inc./Maxim Integrated MAX8530EBTB2
- Part No.:
- MAX8530EBTB2
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
MAX8530EBTB2.pdf
- Description:
- DUAL LOW-DROPOUT LINEAR REGULATO
- Quantity:
- Payment:
- Shipping:
Inventory:1,416
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Product details
Overview
MAX8530EBTB2 from Maxim Integrated is a dual low-dropout linear regulator IC with integrated microprocessor reset functionality, designed for space-constrained battery-powered systems. It delivers 200mA from OUT1 and 150mA from OUT2, features 100mV typical dropout at 100mA load, 130µA quiescent current, and an open-drain active-low RESET output triggered when OUT1 falls below 87% of nominal voltage - used in cellular phones and digital cameras for core/VIO rail regulation and power-on sequencing.
For engineers reviewing the MAX8530EBTB2 datasheet, MAX8530EBTB2 pinout, MAX8530EBTB2 application, or MAX8530EBTB2 equivalent, key selection criteria include guaranteed dual-output current capability (200mA/150mA), UCSP package footprint (1.16 × 1.57 mm), reset timeout ≥100ms, and compatibility with 2.5V–6.5V input while maintaining ultra-low quiescent current across load and temperature.
Technical Context
The MAX8530EBTB2 integrates two independent LDO regulators with P-channel MOSFET pass transistors, enabling low dropout proportional to load current and eliminating base-drive losses. Its internal 1.25V bandgap reference feeds error amplifiers that control each output via internal resistor dividers, supporting fixed output voltages between 1.5V and 3.3V in 50mV steps.
The dedicated reset block monitors OUT1 only, asserting an open-drain active-low signal after a minimum 100ms delay upon undervoltage detection (84–89% threshold with 0.5% hysteresis). Shutdown is controlled by a single logic-input pin (SHDN), reducing supply current to <1µA when pulled low.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.5V to 6.5V - supports single-cell Li-ion, Li-polymer, and multi-cell alkaline/NiMH battery inputs without external pre-regulation. |
| OUT1 Output Current | Guaranteed 200mA - sufficient for baseband processor core rails in handheld devices. |
| OUT2 Output Current | Guaranteed 150mA - suitable for I/O or memory interface supplies in compact portable electronics. |
| Dropout Voltage | 100mV (typ) at 100mA - enables extended battery runtime by regulating down to near-end-of-life cell voltage. |
| Quiescent Current | 130µA (both LDOs active) - minimizes standby power loss in always-on subsystems. |
| RESET Timeout | ≥100ms (min) - ensures reliable microprocessor initialization timing during power-up and brownout recovery. |
| Operating Temperature | −40°C to +85°C - qualified for industrial and consumer portable equipment environments. |
Pinout & Package
MAX8530EBTB2 is packaged in a 6-bump UCSP (1.16 × 1.57 × 0.6 mm, 3 × 2 grid), optimized for ultra-compact PCB layouts in mobile applications. The package uses wafer-level chip-scale construction with solder bumps on the die surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT2 | Regulator 2 output terminal | Delivers up to 150mA; requires ≥1µF ceramic output capacitor for stability. |
| IN | Main input supply connection | Accepts 2.5V–6.5V; must be bypassed with ≥2.2µF low-ESR ceramic capacitor. |
| OUT1 | Regulator 1 output terminal | Delivers up to 200mA; monitored by internal reset circuit; requires ≥2.2µF output capacitance. |
| GND | Power and signal reference ground | Serves as thermal conduction path in UCSP; connects internally to substrate and bump array. |
| SHDN | Logic-controlled shutdown enable | Active-high input; pull low to disable both regulators and reduce IQ to <1µA. |
| RESET | Open-drain active-low reset output | Asserted when OUT1 drops below 87% nominal; minimum 100ms timeout; requires external pull-up. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent LDO regulation | Enables simultaneous generation of core (e.g., 2.85V) and I/O (e.g., 1.8V) rails from single battery source without cross-coupling. |
| Integrated microprocessor reset | Eliminates external reset IC and voltage divider components, reducing BOM count and board area in space-sensitive designs. |
| P-channel MOSFET pass transistors | Provides load-proportional dropout and eliminates base-drive current, sustaining 130µA IQ across full load and dropout conditions. |
| Thermal and short-circuit protection | Shuts down at 160°C junction temperature with 10°C hysteresis; survives indefinite output short to GND. |
| Ultra-small UCSP package | 1.16 × 1.57 mm footprint saves >60% board area versus comparable SOT-23 or QFN packages. |
Applications
| Cellular Phone Baseband Power | Digital Camera Sensor & ISP Supply |
|---|---|
|
Use Scenario: Dual-rail power delivery to baseband processor (VCORE) and application processor I/O (VI/O) in GSM/UMTS handsets. IC Role / Device Role / Timing Role: Primary LDO regulator providing stable 2.85V/1.8V outputs; RESET monitors VCORE to ensure clean boot sequence. Use Value: Enables single-battery operation with extended runtime due to 100mV dropout and 130µA quiescent current. |
Use Scenario: Powering CMOS image sensor analog front-end and image signal processor in compact digital cameras. IC Role / Device Role / Timing Role: Low-noise, fast-transient dual LDO delivering regulated 2.8V and 1.8V; RESET coordinates sensor initialization timing. Use Value: Maintains signal integrity via low PSRR degradation and tight output accuracy (±2% over temperature). |
| Notebook PC Subsystem Regulation | Wireless LAN Card Power Management |
|
Use Scenario: Providing auxiliary 3.3V and 1.5V rails for embedded controller, touchpad, or fingerprint sensor in ultraportable notebooks. IC Role / Device Role / Timing Role: Secondary LDO regulator with shutdown control synchronized to system sleep states; RESET asserts on main rail brownout. Use Value: Reduces standby power consumption with <1µA shutdown current and supports rapid wake-up via fast LDO response. |
Use Scenario: Regulating RF transceiver and MAC controller supplies in mini-PCIe or M.2 wireless LAN modules. IC Role / Device Role / Timing Role: Compact dual LDO supplying 2.5V RF and 1.5V digital rails; RESET signals host processor on power-fail condition. Use Value: Ensures robust link recovery through guaranteed 100ms reset timeout and thermal fault immunity. |
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 |
|---|---|---|---|
| MAX8530ETTK2 | Same silicon, thin QFN-6 (3mm × 3mm) package instead of UCSP; exposed pad improves thermal dissipation. | Better suited for higher-power or thermally constrained designs where PCB area permits larger footprint. | Select when thermal performance > board area constraints; pinout differs - not drop-in compatible with UCSP layout. |
| TPS79533DBVR | Single 3.3V LDO (500mA), no reset output, SOT-23-5 package; lacks dual-output and monitoring capability. | Only replaces OUT1 function; requires separate reset IC and second regulator for full MAX8530EBTB2 functionality. | Choose only for simplified single-rail applications where reset integration and dual output are unnecessary. |
Compared with MAX8530ETTK2 and TPS79533DBVR, the MAX8530EBTB2 uniquely combines dual regulated outputs, integrated reset, and ultra-compact UCSP packaging - making it optimal for size-limited, battery-operated devices requiring coordinated power sequencing.
Availability
MAX8530EBTB2 is available at Aetrix Electronics and suitable for cellular phones, digital cameras, and wireless LAN cards requiring stable component supply with long-term lifecycle support and RoHS-compliant sourcing.
Supply support for MAX8530EBTB2 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 solutions for industrial, communications, and consumer markets.
The MAX8530/MAX8531 product line was engineered specifically for ultra-low-power, space-constrained portable electronics - delivering dual LDO regulation with integrated reset in sub-2mm² chip-scale packages.
FAQ
What output voltage options are available for MAX8530EBTB2?
The MAX8530EBTB2 is a factory-configured variant with fixed output voltages - based on Maxim's Output Voltage Selector Guide, "BTB2" corresponds to OUT1 = 2.8V and OUT2 = 1.8V. These values are laser-trimmed during production and not user-adjustable. Other combinations between 1.5V and 3.3V in 50mV increments are available under different suffixes (e.g., BTKG = 2.8V/3.0V), but MAX8530EBTB2 itself delivers precisely 2.8V and 1.8V.
Does MAX8530EBTB2 require external components for basic operation?
Yes - MAX8530EBTB2 requires at minimum: a 2.2µF ceramic input capacitor (CIN), a 2.2µF ceramic output capacitor on OUT1, and a 1µF ceramic output capacitor on OUT2. An external pull-up resistor on the RESET pin (typically 10–100kΩ to VCC) is also mandatory for proper reset signaling. No external feedback resistors are needed since output voltages are internally fixed.
How does the RESET function of MAX8530EBTB2 behave during shutdown?
During shutdown (SHDN = low), the MAX8530EBTB2 disables both LDO outputs and forces the RESET pin low - regardless of OUT1 voltage level. This ensures the microprocessor remains held in reset during intentional power-down sequences. Upon SHDN return to high, OUT1 ramps up and RESET deasserts only after OUT1 reaches and sustains ≥87% of its nominal value for ≥100ms.
Can MAX8530EBTB2 operate with input voltage below 2.5V?
No - the absolute minimum input voltage for MAX8530EBTB2 is 2.5V, as specified in the Absolute Maximum Ratings and Electrical Characteristics tables. Operation below this violates the device's functional specification; undervoltage lockout activates at ~2.2V (with 40mV hysteresis), preventing regulation until VIN exceeds the threshold. For sub-2.5V battery sources, a boost converter or alternative LDO must be used upstream.
Is MAX8530EBTB2 pin-compatible with MAX8531 variants?
No - MAX8530EBTB2 and MAX8531 share identical pinouts in the same package type (e.g., UCSP or QFN), but their pin functions differ: MAX8530EBTB2 uses Pin 6 as RESET, whereas MAX8531 uses Pin 6 as BP (bypass for noise reduction). Swapping them without circuit modification will cause malfunction - RESET will float or short, and noise filtering will be absent. They are functionally distinct parts, not pin-compatible alternatives.
MAX8530EBTB2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Output Configuration:
- -
- Output Type:
- -
- Number of Regulators:
- -
- Voltage - Input (Max):
- -
- Voltage - Output (Min/Fixed):
- -
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- -
- Current - Output:
- -
- Current - Quiescent (Iq):
- -
- Current - Supply (Max):
- -
- PSRR:
- -
- Control Features:
- -
- Protection Features:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX8530EBTB2 FAQ
1.How can I place an order for MAX8530EBTB2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX8530EBTB2 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 MAX8530EBTB2 reliable?
The price and inventory of MAX8530EBTB2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX8530EBTB2 is usually 5 days.
3.What payment methods are accepted for MAX8530EBTB2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX8530EBTB2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX8530EBTB2?
MAX8530EBTB2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX8530EBTB2 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 MAX8530EBTB2?
For technical support, including MAX8530EBTB2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX8530EBTB2 requirements.
6.How does Aetrix verify that MAX8530EBTB2 is sourced from the original manufacturer or authorized distributors?
All MAX8530EBTB2 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 MAX8530EBTB2 meets industry standards.
7.What is the process for return or replacement of MAX8530EBTB2?
All MAX8530EBTB2 units undergo pre-shipment inspection (PSI). If there is an issue with MAX8530EBTB2, 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 MAX8530EBTB2 part is unused and in its original packaging.
Return procedure for MAX8530EBTB2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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