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Analog Devices Inc./Maxim Integrated MAX16910CASA9+T
- Part No.:
- MAX16910CASA9+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Datasheet:
-
MAX16910CASA9+T.pdf
- Description:
- IC REG LIN POS ADJ 200MA 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,290
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Product details
Overview
The MAX16910CASA9+T from Analog Devices is an automotive-qualified, ultra-low quiescent current linear regulator delivering up to 200mA output with only 20µA no-load supply current and 1.6µA shutdown current. It operates from +3.5V to +30V input (transient-tolerant to +45V), supports fixed +3.3V/+5V or adjustable +1.5V to +11V outputs, and features open-drain active-low RESET with 92.5% threshold-designed for battery-powered automotive ECUs requiring cold-crank operation and load-dump resilience.
For engineers reviewing the MAX16910CASA9+T datasheet, MAX16910CASA9+T pinout, MAX16910CASA9+T application, or MAX16910CASA9+T equivalent, key selection criteria include its -40°C to +125°C operating range, 280mV dropout at 200mA, thermal/short-circuit protection, and compatibility with 4.7µF ceramic output capacitors in space-constrained automotive modules.
Technical Context
This high-voltage linear regulator uses BiCMOS DMOS process technology and integrates a precision bandgap reference (1.25V SETOV feedback), dual-reset-threshold comparator (92.5% default), and internal timeout capacitor charging circuit (1.0µA typical ITO) to generate programmable RESET delay. Its ENABLE input withstands +45V and includes internal 0.65µA pulldown for fail-safe shutdown.
The device implements thermal shutdown at +180°C with +25°C hysteresis and short-circuit current limiting at 330mA (typ). Output voltage configuration is determined by SET and SETOV pin states: SET = GND + SETOV = OUT → 5V fixed; SET = GND + SETOV = GND → 3.3V fixed; SET > 2.4V + external divider → adjustable mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | +3.5V to +30V continuous; +45V transient tolerant-enables direct connection to automotive battery under load-dump conditions. |
| Quiescent Current | 20µA at no load-meets <100µA module standby requirements for always-on automotive systems. |
| Output Current | Up to 200mA continuous-supports microcontroller, CAN transceiver, and sensor power rails in compact ECUs. |
| Dropout Voltage | 280mV at 200mA-ensures regulation during cold-crank (as low as ~6V battery) with 5V output. |
| RESET Threshold | 92.5% of VOUT (fixed)-provides accurate power-on reset timing without external components. |
| Operating Temperature | -40°C to +125°C ambient-qualified for engine bay and transmission control unit mounting locations. |
| Package | 8-pin SO-EP (5mm × 4mm)-thermally enhanced with exposed pad for PCB heat sinking in high-power-density layouts. |
Pinout & Package
MAX16910CASA9+T is housed in an 8-pin SO-EP package (5mm × 4mm) with exposed thermal pad internally connected to GND. The pad must be soldered to a PCB ground plane using multiple vias for optimal thermal performance (θJA = 53°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IN | Regulator input | Bypass with ≥1µF low-ESR ceramic capacitor; accepts +3.5V–+30V input and withstands +45V transients. |
| 2 ENABLE | Active-high enable | Logic-high (>2.4V) enables regulation; internally pulled down (0.65µA) for safe default-off behavior. |
| 3 SET | Feedback mode selector | GND = fixed-output mode; >2.4V = adjustable mode using external resistive divider on SETOV. |
| 4 RESET | Open-drain active-low reset | Asserts low when VOUT drops below 92.5% threshold; remains low for 60µs minimum after recovery. |
| 5 TIMEOUT | Reset timeout adjust | Connect capacitor to GND to extend reset delay beyond 60µs; internal 1.0µA ramp current sets timing. |
| 6 SETOV | Output voltage selector / feedback node | GND = 3.3V fixed; OUT = 5V fixed; external divider = adjustable output (1.5V–11V) with 1.25V reference. |
| 7 GND | Power ground | Reference for all signals; connects to exposed pad for thermal conduction path to PCB ground plane. |
| 8 OUT | Regulated output | Stable with ≥4.7µF low-ESR ceramic capacitor; delivers up to 200mA with 280mV dropout at full load. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 20µA no-load supply current enables >1-year battery life in always-on automotive modules. |
| Integrated RESET generator | Eliminates need for discrete reset IC-open-drain output with factory-trimmed 92.5% threshold and programmable delay. |
| Load-dump robustness | +45V input transient tolerance and thermal/short-circuit protection ensure reliability in 12V/24V automotive systems. |
| Flexible output configuration | Single device supports 3.3V, 5V, or 1.5V–11V adjustable outputs via pin-strapping-reduces BOM count across vehicle platforms. |
| Thermally enhanced SO-EP package | Exposed pad lowers junction-to-ambient thermal resistance to 53°C/W-enables 200mA operation at +125°C ambient. |
Applications
| Automotive Body Control Module | ADAS Camera Power Supply |
|---|---|
|
Use Scenario: Powering microcontroller, LIN transceiver, and door-lock actuators in BCM with strict 100µA sleep-current budget. IC Role / Device Role / Timing Role: Primary 5V LDO supplying core logic; RESET output sequences MCU boot after ignition-on. Use Value: 20µA quiescent current prevents battery drain during weeks-long vehicle storage; 280mV dropout maintains regulation during cold-crank. |
Use Scenario: Providing clean, stable 3.3V rail to image sensor and ISP in rear-view camera module mounted near exhaust. IC Role / Device Role / Timing Role: Fixed 3.3V regulator with integrated RESET-ensures deterministic sensor initialization after power-up. Use Value: -40°C to +125°C rating survives under-hood temperature extremes; 4.7µF output capacitor minimizes board area in tight camera housing. |
| Industrial Telematics Gateway | Commercial Vehicle Telematics Unit |
|
Use Scenario: Powering GPS receiver, cellular modem, and CAN controller in fleet-management gateway installed in cab. IC Role / Device Role / Timing Role: Adjustable-output LDO configured for 4.2V to match modem VCC requirements; ENABLE controlled by host MCU. Use Value: 1.5V–11V programmability avoids custom regulators across product variants; +45V transient tolerance handles alternator spikes. |
Use Scenario: Regulating 5V for ECU microcontroller and CAN FD transceiver in heavy-duty truck telematics unit exposed to vibration and wide temperature swings. IC Role / Device Role / Timing Role: Fixed 5V LDO with RESET output monitoring VOUT to prevent MCU lockup during brownout events. Use Value: Thermal shutdown (+180°C) and short-circuit protection (330mA) ensure fault resilience in harsh environments without external protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV73350PDBVR | Lower max input (6.5V), higher IQ (45µA), no RESET output, SOT-23-5 package | Suitable only for post-regulated 5V rails-not for direct battery connection or reset-critical systems | Select MAX16910CASA9+T when direct 12V/24V battery interface, RESET functionality, or automotive temperature range is required. |
| TPS7B8133QDGNRQ1 | Higher IQ (35µA), fixed 3.3V only, integrated watchdog timer, same SO-8 package | Targets safety-critical ASIL-B systems needing watchdog supervision-adds complexity where not needed | Choose MAX16910CASA9+T for cost-sensitive, non-safety automotive modules requiring flexible output voltage and minimal external components. |
Compared with TLV73350PDBVR and TPS7B8133QDGNRQ1, the MAX16910CASA9+T uniquely combines ultra-low 20µA quiescent current, +45V transient tolerance, dual-mode output configuration (fixed/adjustable), and integrated RESET-all in a thermally optimized SO-EP package qualified for -40°C to +125°C operation.
Availability
MAX16910CASA9+T is available at Aetrix Electronics and suitable for automotive body control modules, ADAS camera power supplies, industrial telematics gateways, and commercial vehicle telematics units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX16910CASA9+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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and consumer markets with precision power, sensing, and signal chain solutions.
The MAX16910CASA9+T belongs to Analog Devices' automotive power management portfolio, designed specifically for ultra-low-power, high-reliability linear regulation in engine control, body electronics, and ADAS subsystems operating directly from vehicle batteries.
FAQ
What output voltage options does the MAX16910CASA9+T support?
The MAX16910CASA9+T supports three output configurations: fixed +3.3V (SETOV = GND), fixed +5V (SETOV = OUT), or adjustable +1.5V to +11V using an external resistive divider on the SETOV pin. The specific MAX16910CASA9+T variant is factory-configured for 92.5% RESET threshold and shipped in SO-EP packaging-output voltage is set by external circuitry, not by part number suffix.
How does the RESET function work on the MAX16910CASA9+T?
The MAX16910CASA9+T features an open-drain, active-low RESET output that asserts low when the regulated output voltage falls below 92.5% of its nominal value. After VOUT recovers, RESET remains low for a minimum of 60µs (default timeout); this delay can be extended by connecting a capacitor between TIMEOUT and GND. RESET also activates during ENABLE deactivation and thermal shutdown.
What is the thermal performance of the MAX16910CASA9+T in its SO-EP package?
The MAX16910CASA9+T in 8-pin SO-EP package has a junction-to-ambient thermal resistance (θJA) of 53°C/W and junction-to-case (θJC) of 7°C/W when mounted on a multilayer PCB with exposed pad connected to ground plane. At +125°C ambient, it delivers 200mA output with VIN = 9V and VOUT = 5V while maintaining junction temperature below +150°C.
Can the MAX16910CASA9+T operate during automotive cold-crank conditions?
Yes-the MAX16910CASA9+T operates down to +3.5V input and maintains regulation with only 280mV dropout at 200mA load, enabling stable 5V output even when battery voltage sags to ~5.8V during cold-crank. Its -40°C to +125°C qualification and +45V transient tolerance further ensure robustness in real-world automotive environments.
What protection features are integrated into the MAX16910CASA9+T?
The MAX16910CASA9+T integrates thermal shutdown (trip at +180°C with +25°C hysteresis), short-circuit current limiting (330mA typ), and input overvoltage tolerance (+45V). It also includes internal ENABLE pulldown (0.65µA) for fail-safe shutdown and RESET assertion during fault conditions-eliminating need for external protection circuitry in most automotive designs.
MAX16910CASA9+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:
- Active
- Output Configuration:
- Positive
- Output Type:
- Adjustable (Fixed)
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 30V
- Voltage - Output (Min/Fixed):
- 1.5V (3.3V, 5V)
- Voltage - Output (Max):
- 11V
- Voltage Dropout (Max):
- 0.6V @ 200mA
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 30 µA
- Current - Supply (Max):
- -
- PSRR:
- 60dB (100Hz)
- Control Features:
- Enable, Reset
- 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
MAX16910CASA9+T FAQ
1.How can I place an order for MAX16910CASA9+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX16910CASA9+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 MAX16910CASA9+T reliable?
The price and inventory of MAX16910CASA9+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX16910CASA9+T is usually 5 days.
3.What payment methods are accepted for MAX16910CASA9+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX16910CASA9+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX16910CASA9+T?
MAX16910CASA9+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX16910CASA9+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 MAX16910CASA9+T?
For technical support, including MAX16910CASA9+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX16910CASA9+T requirements.
6.How does Aetrix verify that MAX16910CASA9+T is sourced from the original manufacturer or authorized distributors?
All MAX16910CASA9+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 MAX16910CASA9+T meets industry standards.
7.What is the process for return or replacement of MAX16910CASA9+T?
All MAX16910CASA9+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX16910CASA9+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 MAX16910CASA9+T part is unused and in its original packaging.
Return procedure for MAX16910CASA9+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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