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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:1,924
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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. It delivers a ±4% accurate 5V or 12V output (or adjustable up to 12.5V) from a 3V–5.5V input, supports up to 180mA load current at 5V, switches at up to 1MHz, and fits in an 8-pin SO package with max height 1.35mm.
For engineers reviewing the MAX606ESA+ datasheet, MAX606ESA+ pinout, MAX606ESA+ application, or MAX606ESA+ equivalent, this page provides verified technical context, real-world design meaning of key specs, validated pin functions, confirmed alternatives, and supply-chain support tailored for compact, low-profile power conversion in memory and portable card systems.
Technical Context
The MAX606ESA+ employs a proprietary 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 ranges while maintaining ±4% regulation accuracy. Its 1MHz switching frequency allows use of ultra-small external components including a 5µH inductor and dual 0.68µF ceramic output capacitors.
This device integrates an n-channel power MOSFET (RDS(ON) = 0.4Ω typ), internal 2V reference, undervoltage lockout (2.8V threshold), logic-controlled shutdown (1µA quiescent), and soft-start via external capacitor on SS pin - all configured for minimal board area (<0.25in²) and height-constrained Type 1 PCMCIA/flash card designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.0V to 5.5V - supports single-cell Li-ion, 3.3V logic rails, and 5V bus supplies without pre-regulation. |
| Output Voltage | Preset 5V or 12V (via FB pin connection), or adjustable 3.0V–12.5V - enables flexible rail generation for memory programming and interface ICs. |
| Output Accuracy | ±4% over temperature and load - ensures reliable flash VPP programming and stable 5V/12V logic interface operation. |
| Max Output Current | 180mA at 5V (VIN ≥ 3.3V) - sufficient to drive multiple flash devices or PCMCIA slot logic during burst programming. |
| Switching Frequency | Up to 1MHz - permits use of tiny 5µH inductors and sub-1µF ceramic capacitors, critical for <1.35mm-thin Type 1 card compliance. |
| Shutdown Current | 10nA typical (0.01µA) - preserves battery life in standby mode for portable memory cards and handheld programmers. |
| Package | 8-pin SO (SOIC) - industry-standard footprint with 1.35mm max height, compatible with automated assembly and thin-card PCB stacks. |
Pinout & Package
MAX606ESA+ uses an 8-pin SO (Small Outline) package with 1.27mm pitch, JEDEC MS-012AC compliant, max height 1.35mm - designed for surface-mount assembly in space-constrained PCMCIA and memory card applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 PGND | Power Ground | Source terminal of internal n-MOSFET; must be connected to low-impedance ground plane to minimize switching noise and thermal rise. |
| 2 FB | Feedback Input | Selects output voltage: tie to IN for 5V, GND for 12V, or resistive divider for adjustable mode (VREF = 2.00V). |
| 3 SHDN | Shutdown Control | Active-low enable; connect to GND for 10nA shutdown, to IN for normal operation - initiates soft-start on wake-up. |
| 4 IN | Input Supply | 3.0V–5.5V main power input; includes undervoltage lockout (2.8V threshold) to prevent erratic startup. |
| 5 GND | Analog Ground | Reference ground for error amplifier and internal circuitry; separate from PGND to reduce noise coupling into feedback path. |
| 6 SS | Soft-Start | Connect external capacitor to control inrush current ramp rate; discharged automatically during shutdown or UVLO. |
| 7 OUT | Regulated Output | High-side switch output node; must connect directly to load and output filter capacitor - no series resistance allowed. |
| 8 LX | Switch Node | Drain of internal n-MOSFET; connects to inductor and Schottky diode anode - requires tight layout to minimize EMI. |
Key Features
| Feature | Design Value |
|---|---|
| Lowest-height circuit solution | Entire design fits ≤1.35mm height - meets Type 1 PCMCIA mechanical standard for thinnest flash memory cards. |
| Pin-programmable output | 5V/12V selection via FB pin connection - eliminates need for external resistor networks in fixed-voltage applications. |
| User-controlled soft-start | External SS capacitor sets inrush current ramp time - prevents brownout during battery-powered flash programming. |
| Ultra-low shutdown current | 10nA typical - extends shelf life and runtime in battery-backed memory cards and portable programmers. |
| Integrated 1.1A switch | On-resistance 0.4Ω (typ) - enables 180mA output at 5V with minimal conduction loss and thermal derating. |
Applications
| PCMCIA Card Power | Flash Memory Programming |
|---|---|
|
Use Scenario: Powering Type 1 PCMCIA slots in laptops or embedded hosts where height is limited to 3.3mm total stackup. IC Role / Device Role / Timing Role: Step-up converter generating regulated 5V or 12V from 3.3V host bus for card logic and interface ICs. Use Value: 1MHz switching enables 0.25in² footprint and 1.35mm height - fits within strict Type 1 mechanical envelope without compromising output current. |
Use Scenario: Providing precise 12V programming voltage (VPP) to NOR/NAND flash devices during firmware update or factory burn-in. IC Role / Device Role / Timing Role: Regulated high-side boost converter delivering ±4% 12V at up to 90mA with controlled inrush via SS pin. Use Value: Internal 2V reference and FB-based regulation ensure stable VPP under varying battery voltage and temperature - critical for reliable flash write cycles. |
| Digital Camera Backlight | Hand-Held Equipment Supply |
|
Use Scenario: Driving white LED strings requiring >5V from a single 3.7V Li-ion cell in compact digital cameras. IC Role / Device Role / Timing Role: High-frequency boost controller powering LED driver ICs or direct LED anodes with minimal EMI. Use Value: 1MHz operation reduces output ripple and allows ceramic capacitors only - eliminating bulky tantalums in space-limited camera modules. |
Use Scenario: Generating auxiliary 5V rail for microcontroller peripherals and sensors in handheld test equipment or medical devices. IC Role / Device Role / Timing Role: Compact, low-quiescent DC-DC converter supplying stable 5V from primary 3.3V system rail. Use Value: 10nA shutdown current and soft-start capability extend battery life and prevent reset glitches during power cycling. |
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 IQ (500µA vs. 250µA typ), 90mA max @12V. | Better suited for Type 2/3 PCMCIA cards and handhelds where height is less constrained but efficiency at light loads matters. | Choose MAX607ESA+ when board area is tighter than height, or when operating at partial load dominates duty cycle. |
| TPS61040DRVR | Fixed 5V output only, 1MHz switching, 0.6µA shutdown current, 28V max VOUT, requires external compensation. | Targeted at general-purpose 5V boost applications - lacks 12V preset or adjustable mode, no integrated soft-start control. | Choose TPS61040DRVR only for cost-sensitive 5V-only designs where FB programmability and soft-start are not required. |
Compared with MAX606ESA+, MAX607ESA+ trades switching speed and height for improved light-load efficiency and higher 12V output current headroom, while TPS61040DRVR offers lower shutdown current but sacrifices voltage flexibility and integrated soft-start - making MAX606ESA+ uniquely balanced for thin, dual-voltage flash card power.
Availability
MAX606ESA+ is available at Aetrix Electronics and suitable for PCMCIA card design, flash memory programming systems, and handheld equipment requiring stable component supply with guaranteed long-term availability and full traceability.
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 consumer applications.
The MAX606ESA+ belongs to Maxim's low-profile DC-DC converter product line, engineered specifically for space- and height-constrained portable memory and peripheral card systems requiring reliable, efficient boost conversion.
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 (FB connected to resistive divider between OUT and GND). The adjustable range spans VIN to 12.5V, with regulation set by a precise 2.00V internal reference - enabling flexible rail generation without external DACs or regulators.
How does the MAX606ESA+ achieve its 1.35mm height constraint?
The MAX606ESA+ achieves its 1.35mm max height through a combination of 1MHz high-frequency operation (enabling tiny 5µH inductors and 0.68µF ceramic capacitors), integration of the power MOSFET and control circuitry in a low-profile 8-pin SO package, and elimination of external compensation components - all validated in typical operating circuits occupying <0.25in² board area.
Can the MAX606ESA+ be used in battery-powered flash programming tools?
Yes - the MAX606ESA+ is well-suited for battery-powered flash programming tools due to its 10nA shutdown current, user-controllable soft-start (via SS pin capacitor), ±4% output accuracy over temperature, and ability to deliver 90mA at 12V from a 3.3V–5.5V input - ensuring reliable VPP generation even as battery voltage declines during extended programming sessions.
What is the purpose of the PGND and GND pins on the MAX606ESA+?
The MAX606ESA+ separates power ground (PGND, Pin 1) and analog ground (GND, Pin 5) to isolate high-current switching paths from sensitive feedback and reference circuitry. PGND serves as the source return for the internal n-MOSFET, while GND provides the quiet reference for the error amplifier and FB input - proper separation minimizes ground bounce and improves regulation stability in noisy, high-dI/dt environments.
Does the MAX606ESA+ require external compensation components?
No - the MAX606ESA+ uses a proprietary current-limited PFM control architecture that requires no external compensation components. Its stability is inherent to the timing-based control loop (tON = K/VIN, tOFF = 0.5·K/(VOUT + VDIODE − VIN)), eliminating the need for compensation capacitors or resistors and simplifying layout for compact flash card designs.
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:
- Active
- 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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