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Analog Devices Inc./Maxim Integrated MAX15006CASA+T
- Part No.:
- MAX15006CASA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Datasheet:
-
MAX15006CASA+T.pdf
- Description:
- IC REG LINEAR POS ADJ 50MA 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,428
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Product details
Overview
MAX15006CASA+T from Maxim Integrated is an ultra-low quiescent-current adjustable linear regulator designed for automotive and battery-powered systems. It operates from 4V to 40V input, delivers up to 50mA output current, consumes only 8–15μA no-load ground current, features 1.23V feedback reference, and supports 1.8V–10V adjustable output via external resistor divider. It is used in tire-pressure monitoring sensors where cold-crank resilience and low standby power are critical.
For engineers reviewing the MAX15006CASA+T datasheet, MAX15006CASA+T pinout, MAX15006CASA+T application, or MAX15006CASA+T equivalent, key selection criteria include guaranteed 50mA load capability across -40°C to +125°C, 300mV dropout at 50mA (for 5V output), thermal shutdown at +165°C, stable operation with 2.2μF ceramic output capacitor, and compatibility with high-voltage automotive transients including 45V load dump.
Technical Context
The MAX15006CASA+T implements a p-channel pass transistor architecture enabling ultra-low quiescent current (8–15μA at no load) while maintaining full-load ground current under 150μA. Its internal 1.23V precision bandgap reference and error amplifier enable accurate output regulation over temperature and line/load variations.
Unlike fixed-output variants, this part lacks an EN pin and relies solely on FB-based feedback for output adjustment. It does not support enable/disable control-only the MAX15007 series includes EN functionality. The device integrates short-circuit protection (175mA limit) and thermal shutdown with 20°C hysteresis, ensuring robustness in harsh automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4V to 40V - supports direct connection to automotive battery rails, tolerates cold-crank (down to ~4V) and load-dump transients (up to 45V absolute max). |
| Output Voltage Range | 1.8V to 10V adjustable - set via external resistive divider; VFB = 1.23V ±30mV ensures ±1% output accuracy at IOUT ≥ 5μA. |
| Max Output Current | 50mA guaranteed - sufficient for microcontroller biasing, sensor signal conditioning, and RF front-end LDO stages in TPMS modules. |
| Quiescent Ground Current | 8–15μA at no load - enables >10-year battery life in always-on automotive sensors with typical 20mAh coin cells. |
| Dropout Voltage | 300mV at 50mA (typ) - allows regulation down to VIN = VOUT + 0.3V, critical for low-input headroom in 5V/3.3V systems powered from degraded batteries. |
| Thermal Shutdown | +165°C with 20°C hysteresis - prevents permanent damage during sustained overload or poor PCB heatsinking; enables self-recovery without system reset. |
| Operating Temperature | -40°C to +125°C - qualified for under-hood automotive applications per AEC-Q100 stress test requirements. |
Pinout & Package
MAX15006CASA+T is housed in an 8-pin SO-EP (Small Outline with Exposed Pad) package, thermally enhanced for 1.509W dissipation at +70°C ambient. The exposed pad (EP) must be soldered to PCB ground plane to achieve θJA = 53°C/W and ensure reliable operation at full load across temperature.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Regulator supply input | Accepts 4V–40V unregulated input; requires 0.1μF bypass capacitor to GND for stability and transient immunity. |
| 2 (OUT) | Regulated output | Delivers adjustable 1.8V–10V output; must be bypassed with ≥2.2μF low-ESR ceramic capacitor to GND for loop stability. |
| 3 (GND) | Analog and power ground | Common return for IN, OUT, and FB; connects internally to EP; must tie to solid ground plane for noise immunity and thermal performance. |
| 4 (N.C.) | No connection | Not bonded or connected internally; left floating or tied to GND per layout best practice (no electrical function). |
| 5 (N.C.) | No connection | Not bonded or connected internally; electrically inert; no routing required. |
| 6 (N.C.) | No connection | Not bonded or connected internally; no impact on regulation or protection functions. |
| 7 (N.C.) | No connection | Not bonded or connected internally; unused pin in SO package for MAX15006C variant. |
| 8 (FB) | Feedback voltage sense | Connects to resistor divider midpoint; regulates output by comparing to internal 1.23V reference; requires ≥5μA divider current for stability. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 8–15μA no-load ground current enables multi-year operation from small Li-MnO₂ or CR2032 batteries in wireless sensors. |
| Wide input voltage range | 4V–40V operation covers full automotive battery range including cranking dips (~4.5V) and load-dump spikes (≤45V abs max). |
| Adjustable output with precision reference | 1.23V ±30mV FB threshold enables 1.8V–10V outputs with <±1.5% total error over -40°C to +125°C. |
| Stable with minimal output capacitance | Guaranteed stability with only 2.2μF ceramic output capacitor simplifies BOM and reduces board area in space-constrained TPMS modules. |
| Integrated protection | Short-circuit current limit (175mA) and thermal shutdown (+165°C) prevent failure during wiring faults or thermal overload without external components. |
Applications
| Tire-Pressure Monitoring System (TPMS) | Automotive Body Control Module (BCM) |
|---|---|
Use Scenario: Powering MEMS pressure sensor, RF transmitter, and ultra-low-power MCU in wheel-mounted sensor units. IC Role / Device Role / Timing Role: Primary LDO supplying regulated 3.3V or adjustable voltage to analog and digital subsystems. Use Value: 8–15μA quiescent current extends CR2032 battery life beyond 7 years; 40V input withstands alternator load-dump events without external TVS. | Use Scenario: Providing clean, stable bias for LIN transceivers, door-lock actuators, and interior lighting drivers. IC Role / Device Role / Timing Role: Secondary LDO delivering 5V or 3.3V to isolated communication interfaces and logic circuits. Use Value: 50mA output capacity supports multiple downstream loads; -40°C to +125°C rating ensures reliability in engine bay proximity mounting. |
| Industrial Sensor Node | Telecom Remote Power Management |
Use Scenario: Powering low-power IoT edge nodes deployed in remote locations with long-life primary batteries. IC Role / Device Role / Timing Role: Main voltage regulator converting wide-range DC input (e.g., 12–36V PoE-derived rail) to precise 3.3V for MCU and radio. Use Value: Adjustable output allows optimization for different SoCs; 300mV dropout preserves headroom during brownout conditions. | Use Scenario: Regulating auxiliary supply for optical transceiver biasing and clock recovery ICs in outdoor telecom cabinets. IC Role / Device Role / Timing Role: Point-of-load regulator delivering low-noise 3.3V or 5V to sensitive analog front-ends. Use Value: 115µVRMS output noise (at 3.3V/50mA) meets jitter-sensitive timing requirements; 2.2μF capacitor suffices for stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar adjustable LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX15006CATT+ | Same electrical specs but in 6-pin TDFN-EP package (3mm × 3mm); θJA = 42°C/W vs. 53°C/W for SO-EP; higher power density. | Better suited for space-constrained PCBs; requires smaller land pattern; thermal performance superior at high ambient temperatures. | Select MAX15006CATT+ when board area is limited and thermal management via copper pour is constrained. |
| TLV73318PDBVR | Lower input range (1.4V–5.5V), lower IQ (450nA), but only 330mA max output; not automotive qualified; no 40V tolerance. | Only suitable for low-voltage portable electronics-not for automotive or industrial 12V/24V systems. | Choose TLV73318PDBVR only for battery-powered consumer devices with sub-5.5V inputs and nanoamp standby needs. |
Compared with MAX15006CATT+, the MAX15006CASA+T offers easier hand-soldering and legacy footprint compatibility; compared with TLV73318PDBVR, it provides essential 40V input resilience and AEC-Q100 temperature range for automotive deployment-neither is a drop-in replacement.
Availability
MAX15006CASA+T is available at Aetrix Electronics and suitable for automotive body electronics, tire-pressure monitoring systems, and industrial sensor nodes requiring stable component supply with guaranteed long-term availability and automotive-grade qualification.
Supply support for MAX15006CASA+T 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, designs high-performance analog, mixed-signal, and power-management ICs for automotive, industrial, communications, and computing markets.
The MAX15006/MAX15007 family targets ultra-low-power, high-input-voltage linear regulation in harsh environments-specifically engineered for automotive battery-connected systems needing cold-crank operation and load-dump survival.
FAQ
What is the output voltage range supported by the MAX15006CASA+T?
The MAX15006CASA+T supports an adjustable output voltage from 1.8V to 10V, set using an external resistor divider connected between OUT, FB, and GND. Its internal feedback reference is precisely 1.23V ±30mV, enabling accurate regulation across the full range and over the -40°C to +125°C temperature span. Fixed-output versions (e.g., MAX15006A/B) are separate part numbers.
Does the MAX15006CASA+T include an enable (EN) pin?
No, the MAX15006CASA+T does not include an enable pin. Enable functionality is exclusive to the MAX15007 series (e.g., MAX15007CASA+). The MAX15006CASA+T is always-on when powered within its input voltage range. To implement on/off control, external circuitry such as a high-side switch or PMOS FET must be added upstream of the IN pin.
What is the minimum output capacitor required for stable operation of the MAX15006CASA+T?
The MAX15006CASA+T requires a minimum 2.2μF low-ESR ceramic or tantalum output capacitor connected between OUT and GND for guaranteed stability across -40°C to +125°C and up to 50mA load. X7R dielectrics are recommended; ensure worst-case capacitance remains ≥1.3μF over temperature to maintain phase margin.
Can the MAX15006CASA+T survive automotive load-dump transients?
Yes-the MAX15006CASA+T is rated for absolute maximum input voltage of +45V, exceeding the ISO 7637-2 Load Dump Pulse 5a requirement (typically 40V peak). When paired with proper input filtering (e.g., 0.1μF ceramic + ferrite bead), it reliably survives 45V/100ms transients without latch-up or degradation, making it suitable for direct battery connection in automotive applications.
What is the thermal performance difference between the SO-EP and TDFN packages of the MAX15006C series?
The MAX15006CASA+T (SO-EP) has θJA = 53°C/W and dissipates 1.509W at +70°C ambient, while the MAX15006CATT+ (TDFN-EP) achieves θJA = 42°C/W and 1.904W at the same ambient. The TDFN offers better thermal efficiency and smaller footprint, but the SO-EP provides easier assembly, higher creepage, and legacy compatibility-both are rated for -40°C to +125°C operation.
MAX15006CASA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Adjustable
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 40V
- Voltage - Output (Min/Fixed):
- 1.8V
- Voltage - Output (Max):
- 10V
- Voltage Dropout (Max):
- 0.6V @ 50mA
- Current - Output:
- 50mA
- Current - Quiescent (Iq):
- 15 µA
- Current - Supply (Max):
- 150 µA
- PSRR:
- 66dB (100Hz)
- Control Features:
- -
- Protection Features:
- Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC-EP
MAX15006CASA+T FAQ
1.How can I place an order for MAX15006CASA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX15006CASA+T 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 MAX15006CASA+T reliable?
The price and inventory of MAX15006CASA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX15006CASA+T is usually 5 days.
3.What payment methods are accepted for MAX15006CASA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX15006CASA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX15006CASA+T?
MAX15006CASA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX15006CASA+T 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 MAX15006CASA+T?
For technical support, including MAX15006CASA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX15006CASA+T requirements.
6.How does Aetrix verify that MAX15006CASA+T is sourced from the original manufacturer or authorized distributors?
All MAX15006CASA+T 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 MAX15006CASA+T meets industry standards.
7.What is the process for return or replacement of MAX15006CASA+T?
All MAX15006CASA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX15006CASA+T, 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 MAX15006CASA+T part is unused and in its original packaging.
Return procedure for MAX15006CASA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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