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Analog Devices Inc./Maxim Integrated MAX8510EXK33
- Part No.:
- MAX8510EXK33
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
MAX8510EXK33.pdf
- Description:
- IC REG LINEAR LDO
- Quantity:
- Payment:
- Shipping:
Inventory:2,900
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Product details
Overview
MAX8510EXK33 from Maxim Integrated is a 3.3V ultra-low-noise, low-dropout linear regulator with P-channel MOSFET pass transistor, delivering up to 120mA output current, 120mV dropout at full load, 11µVRMS output noise (100Hz–100kHz), and 78dB PSRR at 1kHz - designed for powering noise-sensitive analog circuitry in portable RF systems.
For engineers reviewing the MAX8510EXK33 datasheet, MAX8510EXK33 pinout, MAX8510EXK33 application, or MAX8510EXK33 equivalent, this page provides verified specifications, SC70-5 package mapping, ground-current behavior across temperature, shutdown exit timing, and real-world LDO selection criteria including ceramic capacitor stability and BP-capacitor noise optimization.
Technical Context
The MAX8510EXK33 uses an internal 1.225V bandgap reference and error amplifier to regulate output against load/line variations, with feedback routed through a factory-trimmed internal resistor divider. Its P-channel MOSFET pass transistor (typ. RDS(ON) = 1Ω) eliminates base-drive current, enabling 40µA quiescent ground current under light load and stable operation down to 2V input.
It integrates dedicated noise-reduction architecture: the BP pin accepts a 10nF capacitor to OUT, enabling ultra-low 11µVRMS noise by shunting high-frequency error amplifier noise; shutdown logic disables reference, error amp, and gate drive, reducing supply current to <1µA while placing OUT in high-impedance state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3V ±3% over -40°C to +85°C, enabling direct replacement of standard 3.3V logic rails without external resistors. |
| Max Output Current | 120mA continuous - sufficient for powering RF transceivers, ADCs, or microcontroller cores in compact battery-powered devices. |
| Dropout Voltage | 120mV at 120mA load - allows operation from 3.42V input when VOUT = 3.3V, extending usable battery life in single-cell Li-ion or 3xAAA systems. |
| Output Noise | 11µVRMS (100Hz–100kHz) with 10nF BP capacitor - meets stringent noise requirements for VCOs, PLLs, and precision ADC references. |
| PSRR | 78dB at 1kHz, 54dB at 100kHz - suppresses switching noise from DC-DC converters feeding the LDO input, critical in mixed-signal SoC power domains. |
| Ground Current | 40µA typical at no load, rising to 220µA in dropout - minimizes standby power loss in always-on sensor nodes and IoT endpoints. |
| Shutdown Current | <1µA at SHDN = 0V - enables deep-sleep modes with negligible battery drain during system idle periods. |
Pinout & Package
MAX8510EXK33 is packaged in a 5-pin SC70-5 (2.0mm × 1.25mm × 0.9mm) with exposed pad option not applicable; pin 1 marked by dot or beveled corner, pin count confirmed per Maxim's SC70 outline 21-0076.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Unregulated Input Supply | Accepts 2V to 6V input; requires 1µF ceramic capacitor to GND for stability and line-transient suppression. |
| 2 (GND) | Ground Reference & Thermal Path | Serves as primary return path and primary heat conduction route; must connect to large copper area or ground plane. |
| 3 (SHDN) | Active-Low Shutdown Control | Pulled high to IN for normal operation; driven low (<0.4V) to disable regulator and reduce IQ to <1µA. |
| 4 (BP) | Noise Bypass Terminal | Connects 10nF capacitor to OUT to enable ultra-low-noise mode; shorted to OUT internally during shutdown. |
| 5 (OUT) | Regulated Output | Delivers 3.3V ±3%; bypassed with 1µF ceramic capacitor to GND; supports indefinite short-circuit protection. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low output noise | 11µVRMS (100Hz–100kHz) with 10nF BP cap - enables clean biasing of RF front-ends without additional filtering stages. |
| Stable with minimal capacitance | Guaranteed stability using only 1µF ceramic output capacitor - reduces BOM count and PCB area vs. traditional LDOs requiring ≥10µF. |
| P-channel pass transistor | 1Ω typ. RDS(ON) with zero base-drive current - eliminates quiescent current penalty in dropout, extending battery runtime. |
| Integrated protection | Current limit (130–300mA), thermal shutdown (160°C trip, 10°C hysteresis), and infinite short-circuit tolerance - removes need for external fault management. |
| Low shutdown current | <1µA shutdown supply current - supports multi-year operation in energy-harvesting or coin-cell-powered applications. |
Applications
| Cellular Front-End Power | Portable Audio Codec Supply |
|---|---|
Use Scenario: Powers RF transceiver VCO and LNA stages in Bluetooth/Wi-Fi modules where supply ripple directly impacts EVM and adjacent channel rejection. IC Role / Device Role / Timing Role: Low-noise post-regulator cleaning switched-mode supply output before sensitive RF circuitry. Use Value: 11µVRMS noise and 78dB PSRR at 1kHz prevent phase noise degradation and maintain >35dB ACLR in 2.4GHz ISM-band transmission. |
Use Scenario: Supplies DAC and headphone amplifier in portable media players where digital switching noise couples into analog audio paths. IC Role / Device Role / Timing Role: Dedicated low-noise analog rail decoupling digital power domain noise from audio signal chain. Use Value: 54dB PSRR at 100kHz suppresses high-frequency clock feedthrough, reducing audible hiss and enabling >95dB SNR performance. |
| Digital Camera Image Sensor Bias | Industrial Sensor Signal Conditioning |
Use Scenario: Provides clean 3.3V bias to CMOS image sensor analog front-end and column ADC drivers during exposure readout. IC Role / Device Role / Timing Role: Low-noise, fast-transient LDO ensuring stable reference voltage during rapid pixel charge transfer cycles. Use Value: 120mV dropout and 300µs shutdown exit time allow seamless transition between active capture and standby modes without reset delays. |
Use Scenario: Powers precision op-amps and 24-bit sigma-delta ADCs in battery-operated environmental sensors measuring temperature/humidity/pressure. IC Role / Device Role / Timing Role: Primary analog supply maintaining accuracy under varying load conditions and wide temperature range. Use Value: ±3% output accuracy over -40°C to +85°C and 0.003%/mA load regulation ensure consistent gain calibration without software compensation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Torex XC6210B332MR-G | 3.3V fixed, 100mA max, 150mV dropout at 100mA, 25µVRMS noise, SC70-5 package | Lower output current and higher noise limit use in lower-power analog sections only | Select when cost sensitivity outweighs noise performance and 120mA headroom is unnecessary |
| Analog Devices ADP125ARHZ-3.3-R7 | 3.3V fixed, 500mA max, 135mV dropout at 500mA, 40µVRMS noise, 6-lead SOT-23 | Higher current capability but larger footprint and higher noise require additional filtering for RF use | Choose when system demands >120mA or needs SOT-23 compatibility, accepting trade-off in noise floor |
Compared with XC6210B332MR-G and ADP125ARHZ-3.3-R7, the MAX8510EXK33 uniquely balances ultra-low noise (11µVRMS), SC70-5 space efficiency, and 120mA capability - making it optimal for RF/analog co-location in size-constrained portable designs where noise directly impacts signal integrity.
Availability
MAX8510EXK33 is available at Aetrix Electronics and suitable for cellular front-end power, portable audio codec supply, digital camera image sensor bias, and industrial sensor signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX8510EXK33 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, mixed-signal, and power-management ICs for industrial, communications, and consumer applications.
The MAX8510 series belongs to Maxim's ultra-low-noise LDO product line, engineered specifically for powering noise-critical RF, audio, and imaging subsystems in space-constrained, battery-operated equipment.
FAQ
What is the maximum input voltage rating for MAX8510EXK33?
The MAX8510EXK33 has an absolute maximum input voltage of +7V referenced to GND, but its specified operating input range is 2V to 6V. Operation above 6V risks exceeding safe power dissipation limits and may trigger thermal shutdown; for reliable 3.3V output, VIN should remain ≤6V per datasheet electrical characteristics.
Does MAX8510EXK33 require an external feedback resistor network?
No, the MAX8510EXK33 does not require external feedback resistors - it is a factory-preset 3.3V regulator with internal trimming. Only the MAX8512 variant supports adjustable output via FB pin; the EXK33 suffix confirms fixed 3.3V configuration per Maxim's Output Voltage Selector Guide.
Can MAX8510EXK33 operate stably with a 0.47µF output capacitor?
No - the MAX8510EXK33 requires a minimum of 1µF ceramic output capacitance for guaranteed stability across all loads and temperatures. Using 0.47µF risks oscillation or poor transient response, as confirmed by the "Region of Stable COUT ESR vs. Load Current" graph (toc20) and capacitor selection guidelines in the datasheet.
What is the purpose of the BP pin on MAX8510EXK33?
The BP (Bypass) pin on MAX8510EXK33 connects to a 10nF capacitor between BP and OUT to enable ultra-low-noise operation. This capacitor shunts high-frequency noise from the error amplifier's bias network, reducing output noise from ~230µVRMS (without BP cap) to 11µVRMS. It is shorted to OUT internally during shutdown.
Is MAX8510EXK33 compatible with lead-free reflow soldering processes?
Yes - the MAX8510EXK33-T suffix indicates RoHS-compliant, lead-free packaging. It supports JEDEC J-STD-020D reflow profiles with peak temperature up to 260°C, and the SC70-5 package outline (21-0076) specifies lead-free finish per Maxim's package documentation.
MAX8510EXK33 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Bulk
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 3.3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.12V @ 120mA (Typ)
- Current - Output:
- 120mA
- Current - Quiescent (Iq):
- 90 µA
- Current - Supply (Max):
- -
- PSRR:
- 78dB ~ 54dB (1kHz ~ 100kHz)
- Control Features:
- Shutdown
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-5
MAX8510EXK33 FAQ
1.How can I place an order for MAX8510EXK33 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX8510EXK33 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 MAX8510EXK33 reliable?
The price and inventory of MAX8510EXK33 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX8510EXK33 is usually 5 days.
3.What payment methods are accepted for MAX8510EXK33?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX8510EXK33 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX8510EXK33?
MAX8510EXK33 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX8510EXK33 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 MAX8510EXK33?
For technical support, including MAX8510EXK33 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX8510EXK33 requirements.
6.How does Aetrix verify that MAX8510EXK33 is sourced from the original manufacturer or authorized distributors?
All MAX8510EXK33 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 MAX8510EXK33 meets industry standards.
7.What is the process for return or replacement of MAX8510EXK33?
All MAX8510EXK33 units undergo pre-shipment inspection (PSI). If there is an issue with MAX8510EXK33, 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 MAX8510EXK33 part is unused and in its original packaging.
Return procedure for MAX8510EXK33:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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