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Analog Devices Inc./Maxim Integrated MAX606ESA
- Part No.:
- MAX606ESA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Special Purpose Regulators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX606ESA.pdf
- Description:
- IC REG FLASH MEM 1OUT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,438
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Product details
Overview
The MAX606ESA from Maxim Integrated is a CMOS step-up DC-DC converter optimized for flash memory and PCMCIA card applications, operating from 3V to 5.5V input and delivering ±4% accurate 5V or 12V output (or adjustable up to 12.5V), with up to 180mA load current at 5V and 1MHz switching frequency in an 8-pin SO package.
For engineers reviewing the MAX606ESA datasheet, MAX606ESA pinout, MAX606ESA application, or MAX606ESA equivalent, this page delivers verified electrical parameters, validated SO-package pin mapping, confirmed soft-start and shutdown behavior, and real-world design constraints for low-profile power conversion in Type 1–3 card form factors.
Technical Context
The MAX606ESA implements a current-limited pulse-frequency modulation (PFM) control scheme that dynamically adjusts on-time (tON = K/VIN) and off-time based on input and output voltages, enabling high efficiency across wide VIN–VOUT differentials while maintaining ±4% regulation accuracy. It integrates an n-channel power MOSFET with 0.4Ω typical on-resistance and uses internal reference voltage (2.00V ±2%) for feedback regulation.
This device operates exclusively in boost topology with fixed-frequency PFM operation (1MHz typical), supports logic-controlled shutdown (1µA quiescent current), and features user-programmable output via FB pin connection-direct to IN for 5V, GND for 12V, or external resistor divider for adjustable output between VIN and 12.5V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.0V to 5.5V - supports standard 3.3V and 5V system rails without external regulation. |
| Output Voltage Accuracy | ±4% - guaranteed over temperature (−40°C to +85°C) and line/load conditions for reliable flash programming voltage. |
| Max Output Current | 180mA at 5V - sufficient for single-slot PCMCIA card logic and interface circuitry. |
| Switching Frequency | Up to 1MHz - enables use of ultra-small 5µH inductors and sub-1µF ceramic capacitors to meet 0.25in² board area and ≤1.35mm height requirements. |
| Shutdown Quiescent Current | 10nA typical - ensures minimal battery drain during card sleep or standby modes. |
| FB Regulation Setpoint | 2.00V ±0.04V - precise internal reference enabling accurate external resistor-divider programming of adjustable outputs. |
| Soft-Start Control | SS pin accepts external capacitor - allows controlled ramp-up of current limit to suppress inrush into large output capacitance or weak supplies. |
Pinout & Package
MAX606ESA is housed in an 8-pin SO (Small Outline) package, measuring 4.9mm × 6.0mm × 1.75mm (max height), with gull-wing leads and standard JEDEC MS-012AC footprint. This package occupies less board area than µMAX but provides higher thermal dissipation (471mW at +70°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 PGND | Power Ground | Return path for high-current switch node; must be connected directly to power ground plane to minimize noise and voltage bounce. |
| 2 FB | Feedback Input | Sets output voltage: tie to IN for 5V, GND for 12V, or external divider for adjustable output (VOUT = 2V × (R1/R2 + 1)). |
| 3 SHDN | Shutdown Input (Active Low) | Pulls low to disable switching and reduce supply current to 10nA; connect to IN for normal operation. |
| 4 IN | Supply Input | Accepts 3.0V–5.5V input; includes undervoltage lockout (2.8V threshold) to prevent erratic startup. |
| 5 GND | Analog Ground | Reference for internal error amplifier and reference; separate from PGND to avoid coupling switch noise into regulation loop. |
| 6 PGND | Power Ground | Duplicate terminal for enhanced thermal and current handling; must be soldered to ground plane alongside Pin 1. |
| 7 OUT | Regulated Output | Delivers final boosted voltage; requires direct connection to output capacitor and load with minimal trace length. |
| 8 LX | Switch Node | Drain of internal n-channel MOSFET; connects externally to inductor and Schottky diode anode - critical high-dI/dt node. |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile solution | Fits Type 1 PCMCIA cards (≤1.35mm height) using 5µH inductor and 0.68µF ceramic capacitors. |
| Pin-selectable output | 5V or 12V preset without external resistors - simplifies BOM and layout for standardized card voltages. |
| 1µA logic-controlled shutdown | Reduces system standby power to nanowatt level - essential for battery-powered memory cards. |
| User-configurable soft-start | SS pin accepts external capacitor to tailor startup slew rate and avoid inrush-induced supply sag or reset glitches. |
| Integrated 0.4Ω MOSFET | Eliminates need for external power switch - reduces component count and improves reliability in space-constrained designs. |
Applications
| PCMCIA Card Power Supply | Flash Memory Programming |
|---|---|
|
Use Scenario: Providing regulated 12V from 3.3V host bus for EEPROM/flash write operations in Type 2 PCMCIA adapter cards. IC Role / Device Role / Timing Role: Step-up DC-DC converter generating stable 12V rail with <100mVp-p ripple to meet JEDEC flash programming voltage tolerance. Use Value: Enables single-supply 3.3V systems to program legacy 12V-flash devices without discrete charge pumps or transformers. |
Use Scenario: Generating precise 5V output from 3.3V battery source for NAND/NOR flash VCC in portable data loggers. IC Role / Device Role / Timing Role: High-efficiency boost regulator delivering 180mA at ±4% accuracy to sustain burst write cycles without brownout. Use Value: Eliminates need for bulky LDO post-regulation - maintains tight voltage control under dynamic load transients up to 60mA/µs. |
| Digital Camera Backlight Driver | Hand-Held Diagnostic Equipment |
|
Use Scenario: Driving white LED strings requiring 12V from two AA cells (3V nominal) in compact digital camera modules. IC Role / Device Role / Timing Role: Constant-voltage boost converter supplying regulated 12V to LED driver IC, with soft-start preventing camera startup flicker. Use Value: Achieves >80% efficiency at 90mA load while fitting within 0.16in² PCB area - critical for thin camera profiles. |
Use Scenario: Powering 5V microcontroller peripherals and RS-232 transceivers from 3.7V Li-ion battery in field-deployable test tools. IC Role / Device Role / Timing Role: Primary DC-DC converter enabling full-system operation down to 3.0V battery voltage with UVLO protection. Use Value: Extends usable battery life by maintaining regulation until 2.8V cutoff - avoids premature shutdown during high-current pulses. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-up DC-DC converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX607ESA | 500kHz max switching frequency, 2.5mm height, lower no-load supply current (500µA vs. 250µA typ), 90mA max output at 12V. | Better suited for Type 2/3 cards and handhelds where height is less constrained but efficiency at light loads matters more. | Select MAX607ESA when board height >1.35mm is acceptable and lowest quiescent current at partial load is prioritized. |
| TPS61040DRVR | Fixed 5V output only, 1MHz switching, 0.6µA shutdown current, 280mA output, 6-pin SOT-23 package. | Lacks adjustable/12V option and FB pin flexibility; optimized for cost-sensitive, fixed-output consumer electronics. | Choose TPS61040DRVR only for 5V-only applications where ultra-small footprint and lowest shutdown IQ outweigh programmability needs. |
Compared with MAX606ESA, MAX607ESA trades switching speed and height for improved light-load efficiency, while TPS61040DRVR sacrifices output flexibility and regulation accuracy (±5%) for size and cost - making MAX606ESA the sole choice for pin-programmable, low-height, ±4% flash-card power.
Availability
MAX606ESA is available at Aetrix Electronics and suitable for PCMCIA card design, flash memory programming interfaces, and hand-held diagnostic equipment requiring stable component supply with guaranteed long-term availability and consistent parametric performance.
Supply support for MAX606ESA 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 precision analog, mixed-signal, and power-management ICs for demanding industrial, communications, and computing applications.
The MAX606ESA belongs to Maxim's low-profile DC-DC converter product line, engineered specifically to meet the mechanical and electrical constraints of flash memory and PCMCIA card standards - prioritizing height, board area, and output accuracy over generic boost converter features.
FAQ
What output voltages does the MAX606ESA support?
The MAX606ESA supports three output configurations: 5V (FB tied to IN), 12V (FB tied to GND), or adjustable output from VIN to 12.5V (FB connected to external resistor divider). The internal 2.00V reference ensures ±4% accuracy across all modes. This flexibility makes MAX606ESA ideal for multi-voltage flash programming systems without redesigning the power stage.
Can the MAX606ESA operate from a 3.0V input?
Yes, the MAX606ESA operates from 3.0V to 5.5V input. Its undervoltage lockout activates below 2.8V, ensuring clean startup and shutdown. At 3.0V input, it delivers up to 180mA at 5V output with typical efficiency >75%, verified per Figure TOC02 in the datasheet. This capability enables direct integration with low-voltage battery sources in portable memory cards.
How does the soft-start function work on the MAX606ESA?
The MAX606ESA's SS pin accepts an external capacitor that controls startup current ramp rate. Charging via an internal 45kΩ pull-up to the 2V reference sets the current-limit threshold gradually, suppressing inrush into output capacitance. For example, a 10nF capacitor yields ~1ms startup delay - critical for avoiding supply sag in weak-battery or shared-rail systems using MAX606ESA.
What is the maximum recommended inductor value for the MAX606ESA?
The MAX606ESA is optimized for a 5µH inductor (e.g., Dale ILS-3825-XX), as specified in the standard application circuits. While higher values (e.g., 10µH) increase continuous-conduction margin and peak current capability, they also raise physical height and may degrade transient response. Using >5µH voids the guaranteed 1MHz operation and 0.25in² footprint compliance stated for MAX606ESA in the datasheet.
Is the MAX606ESA pin-compatible with the MAX606EUA?
No - MAX606ESA (8-pin SO) and MAX606EUA (8-pin µMAX) share identical electrical functionality and pinout assignment, but differ mechanically: µMAX has half the board area (3mm × 3mm) and 1.11mm max height versus SO's 4.9mm × 6.0mm and 1.75mm height. Layouts require separate footprints; neither is drop-in replaceable without PCB revision. Both are valid MAX606ESA-equivalent variants per Maxim's ordering table.
MAX606ESA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- Converter, Flash Memory PCMCIA Cards
- Voltage - Input:
- 3V ~ 5.5V
- Number of Outputs:
- 1
- Voltage - Output:
- 5V, 12V, 3V ~ 12.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX606ESA FAQ
1.How can I place an order for MAX606ESA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX606ESA 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 MAX606ESA reliable?
The price and inventory of MAX606ESA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX606ESA is usually 5 days.
3.What payment methods are accepted for MAX606ESA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX606ESA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX606ESA?
MAX606ESA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX606ESA 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 MAX606ESA?
For technical support, including MAX606ESA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX606ESA requirements.
6.How does Aetrix verify that MAX606ESA is sourced from the original manufacturer or authorized distributors?
All MAX606ESA 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 MAX606ESA meets industry standards.
7.What is the process for return or replacement of MAX606ESA?
All MAX606ESA units undergo pre-shipment inspection (PSI). If there is an issue with MAX606ESA, 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 MAX606ESA part is unused and in its original packaging.
Return procedure for MAX606ESA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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