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Analog Devices Inc./Maxim Integrated MAX710ESE
- Part No.:
- MAX710ESE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX710ESE.pdf
- Description:
- IC REG BUCK BOOST 3.3V/5V 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,794
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Product details
Overview
MAX710ESE from Maxim Integrated is a 3.3V/5V fixed-output, step-up/down DC-DC converter IC integrating an N-channel boost switch and P-channel LDO in a single 16-pin narrow SO package. It operates from +1.8V to +11V input, delivers up to 500mA at 5V (VIN = 3.6V), achieves 85% typical efficiency in boost mode, and supports shutdown (0.2µA IQ) and standby (7µA IQ) modes for battery-powered portable equipment.
For engineers reviewing the MAX710ESE datasheet, MAX710ESE pinout, MAX710ESE application, or MAX710ESE equivalent, key selection criteria include its dual-mode operation (high-efficiency vs. low-noise via N/E pin), preset 3.3V/5V output selection (3/5 pin), 1.5A/0.8A programmable peak inductor current limit (ILIM), integrated low-battery comparator (LBI+/LBI-/LBO), and thermal shutdown protection at +150°C.
Technical Context
The MAX710ESE combines a pulse-frequency-modulated (PFM) boost converter with a linear regulator sharing a precision 1.28V reference. Its N-channel MOSFET switch uses variable on-time and fixed 1µs off-time control, while the P-channel LDO pass element provides regulated output with headroom management controlled by the N/E pin.
Operating configurations are defined by N/E and ILIM pin states: N/E = GND enables high-efficiency mode (0.7Ω PFET switch during boost); N/E = PS enables low-noise mode (0.5V VFV headroom). ILIM = GND selects 1.5A peak current limit; ILIM = PS selects 0.8A - directly affecting inductor sizing and light-load efficiency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | +1.8V to +11V - supports single-cell Li+ and multi-cell alkaline inputs without external regulators. |
| Output Voltage | Preset 3.3V or 5V - selected by tying 3/5 pin to GND (5V) or PS (3.3V); no external feedback resistors required. |
| Max Output Current | 500mA at 5V with VIN = 3.6V - sufficient for digital cameras and handheld instrumentation. |
| Shutdown Quiescent Current | 0.2µA - enables ultra-low power-off state for long-term battery storage. |
| Standby Quiescent Current | 7µA - maintains LDO regulation while disabling boost stage for partial system wake-up. |
| Efficiency (Typical) | 85% at 5V/250mA with VIN = 1.8V - optimized for low-input, high-step-up battery applications. |
| Thermal Shutdown Threshold | +150°C with 20°C hysteresis - protects against sustained overload or poor PCB thermal design. |
Pinout & Package
MAX710ESE is housed in a 16-pin narrow SOIC (SOICN) package with exposed pad not connected internally. Pin functions are validated per Maxim's official datasheet revision 0 (19-1254, 7/97).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LX (1,16) | Switch Node | Drain of internal N-channel MOSFET; connects to inductor and Schottky diode anode - requires short, low-inductance layout. |
| PGND (2,15) | Power Ground | High-current return path for boost switch and LDO; must be tied to low-impedance ground plane separate from analog GND. |
| SHDN (4) | Shutdown Control | Active-low enable; pulls OUT to GND when low, disconnecting input from output and reducing IQ to 0.2µA. |
| ILIM (3) | Current Limit Select | Configures peak inductor current: GND = 1.5A (higher output capability), PS = 0.8A (smaller inductors, lower EMI). |
| STBY (5) | Standby Control | Disables boost converter only; LDO remains active at 7µA IQ - used for partial system sleep with fast wake-up. |
| N/E (7) | Noise/Efficiency Mode | Selects operating mode: GND = high-efficiency (PFET switch), PS = low-noise (0.5V headroom LDO regulation). |
| 3/5 (6) | Output Voltage Select | Chooses fixed output: GND = 5V, PS = 3.3V - eliminates need for external resistor divider. |
| LBO (8) | Low-Battery Output | Open-drain comparator output; goes low when LBI+ falls below LBI- - used for battery gauge or system shutdown. |
| LBI− (10), LBI+ (11) | Comparator Inputs | LBI− typically tied to REF (1.28V); LBI+ monitors battery voltage - sets low-battery threshold with external resistors. |
| PS (12) | Power Supply Input | Primary power source for internal circuitry; derived from LX node via bootstrap capacitor - must be bypassed with 0.1µF. |
| REF (13) | Reference Output | 1.28V precision reference; bypassed with 0.1µF to GND - shared by LDO error amp and LBI− comparator. |
| GND (14) | Analog Ground | Low-impedance analog reference point; soldered directly to ground plane - separate from PGND for noise isolation. |
| OUT (9) | Regulated Output | Final 3.3V/5V supply; bypassed with 4.7µF for LDO stability and 100µF for ripple filtering - feeds downstream logic or sensors. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Step-Up/Down Architecture | Combines PFM boost converter and LDO in one die - eliminates discrete FETs, diodes, and external references needed in discrete solutions. |
| Programmable Efficiency–Noise Tradeoff | N/E pin selects between 0.7Ω PFET switch (max efficiency) or 0.5V LDO headroom (ripple rejection >55dB at 10kHz) - no hardware change required. |
| Two-Level Current Limit | ILIM pin chooses 1.5A or 0.8A peak inductor current - enables optimization for high-power or compact designs using standard 22µH inductors. |
| Battery-Aware Power Management | SHDN (0.2µA), STBY (7µA), and integrated LBI/LBO comparator - supports multi-tier battery life extension in portable devices. |
| Robust Thermal Protection | +150°C shutdown with +20°C hysteresis - prevents latch-up under sustained overload or poor heatsinking conditions. |
Applications
| Digital Cameras | Single-Cell Li+ Portable Devices |
|---|---|
Use Scenario: Powering image sensor, DSP, and LCD backlight from a 3.0–4.2V Li+ cell with varying load profiles. IC Role / Device Role / Timing Role: Step-up/down DC-DC converter providing stable 3.3V/5V rail regardless of battery voltage sag or surge. Use Value: Enables full functionality across entire battery discharge curve without requiring multiple regulators or voltage supervisors. |
Use Scenario: Supplying microcontroller, RF transceiver, and display from a single Li+ cell in handheld medical or IoT devices. IC Role / Device Role / Timing Role: Primary power management IC delivering regulated output while minimizing quiescent current in sleep modes. Use Value: Extends runtime by 30%+ versus discrete solutions due to 7µA standby and 0.2µA shutdown currents. |
| 2–4 Cell Alkaline Handheld Equipment | Battery-Powered Devices with AC Adapter Support |
Use Scenario: Powering barcode scanners or test meters from 3×AA (4.5V nominal) or 4×AA (6.0V nominal) batteries. IC Role / Device Role / Timing Role: Seamless transition between step-up (low battery) and step-down (fully charged) operation without rail collapse. Use Value: Eliminates need for separate buck and boost converters - reduces BOM count and PCB area by >40%. |
Use Scenario: Dual-input systems (battery + 5–12V wall adapter) requiring automatic source selection and seamless switchover. IC Role / Device Role / Timing Role: Regulator that accepts wide input range and maintains output stability during adapter insertion/removal events. Use Value: Prevents brownouts during hot-swap by maintaining LDO regulation even as boost stage disables during high-VIN operation. |
Availability
MAX710ESE is available at Aetrix Electronics and suitable for digital cameras, single-cell Li+-powered portable devices, and 2–4 cell alkaline handheld equipment requiring stable component supply across industrial temperature ranges (–40°C to +85°C).
Supply support for MAX710ESE 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 and mixed-signal ICs for power, interface, and sensing applications.
The MAX710ESE belongs to Maxim's legacy power management portfolio designed specifically for battery-centric portable electronics where input voltage varies above and below the regulated output - enabling compact, efficient, and reliable power conversion without external FETs or controllers.
FAQ
What output voltages does the MAX710ESE support?
The MAX710ESE provides factory-preset output options: 3.3V or 5V. Selection is made by connecting the 3/5 pin to PS (3.3V) or GND (5V). Unlike the MAX711, it does not support adjustable outputs via external resistors. Both voltages are guaranteed over the full –40°C to +85°C operating range with ±3% tolerance at full load.
How does the N/E pin affect MAX710ESE performance?
The N/E pin on the MAX710ESE selects between high-efficiency mode (N/E = GND) and low-noise mode (N/E = PS). In high-efficiency mode, the LDO acts as a 0.7Ω PFET switch during boost, maximizing conversion efficiency. In low-noise mode, it maintains 0.5V headroom for superior ripple rejection - reducing output noise by >20dB but lowering efficiency ~10%.
Can the MAX710ESE operate from a 1.8V input and deliver 5V at 250mA?
Yes, the MAX710ESE is fully specified to deliver 5V/250mA with a 1.8V input, achieving ~85% typical efficiency in high-efficiency mode. Startup is guaranteed down to 1.0V input, and the device sustains regulation across the full input range (+1.8V to +11V) without external components.
What is the purpose of the ILIM pin on the MAX710ESE?
The ILIM pin configures the internal current limit for the boost switch: tying ILIM to GND sets 1.5A peak current (for higher output power), while tying it to PS sets 0.8A (for smaller inductors and lower EMI). This selection directly impacts inductor sizing, thermal performance, and light-load efficiency - critical for optimizing board space and battery life.
Does the MAX710ESE include built-in battery monitoring capability?
Yes, the MAX710ESE integrates a precision low-battery comparator with dedicated LBI+, LBI−, and LBO pins. When the voltage at LBI+ falls below the reference at LBI− (typically 1.28V), LBO asserts low. Hysteresis is ~50mV, and thresholds are set using external resistors - enabling customizable battery fuel gauging without adding discrete comparators.
MAX710ESE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Function:
- Step-Up, Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck, Boost
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 1.8V
- Voltage - Input (Max):
- 11V
- Voltage - Output (Min/Fixed):
- 3.3V, 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 1.1A (Switch)
- Frequency - Switching:
- -
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX710ESE FAQ
1.How can I place an order for MAX710ESE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX710ESE 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 MAX710ESE reliable?
The price and inventory of MAX710ESE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX710ESE is usually 5 days.
3.What payment methods are accepted for MAX710ESE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX710ESE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX710ESE?
MAX710ESE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX710ESE 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 MAX710ESE?
For technical support, including MAX710ESE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX710ESE requirements.
6.How does Aetrix verify that MAX710ESE is sourced from the original manufacturer or authorized distributors?
All MAX710ESE 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 MAX710ESE meets industry standards.
7.What is the process for return or replacement of MAX710ESE?
All MAX710ESE units undergo pre-shipment inspection (PSI). If there is an issue with MAX710ESE, 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 MAX710ESE part is unused and in its original packaging.
Return procedure for MAX710ESE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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