The LM5085-Q1 is an automotive-grade buck controller designed for a wide input voltage range of 4.5V to 75V. It features a constant on-time regulation method, which eliminates the need for loop compensation, simplifying circuit design. The device supports 100% duty cycle operation, making it suitable for low dropout applications. It includes an adjustable output voltage down to 1.25V and a precision feedback reference with a tolerance of ¬±2%. The LM5085-Q1 also incorporates an internal soft-start timer and thermal shutdown protection, enhancing reliability in automotive applications. It is AEC-Q100 Grade 1 qualified, ensuring performance in harsh environments with an operating junction temperature range of -40¬8C to 125¬8C. The controller is available in an 8-pin HVSSOP package, facilitating compact designs. Applications include automotive infotainment systems, battery chargers, and LED drivers.
Automotive Grade 4.5-75V Wide Vin, Constant On-Time Non-Synchronous PFET Buck Controller 8-MSOP-PowerPAD -40 to 125
Buck Regulator Positive Output Step-Down DC-DC Controller IC 8-HVSSOP
Buck Regulator Positive Output Step-Down DC-DC Controller IC 8-HVSSOP
Buck Regulator Positive Output Step-Down DC-DC Controller IC 8-HVSSOP
Manufacturer: Texas Instruments
Win Source Part Number: 1200330-LM5085QMY/NO
Packaging: Reel - TR
Operating Temperature Range: -40°C ~ 125°C (TJ)
Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Output Type: Transistor Driver
Function: Step-Down
Topology: Buck
Frequency - Switching: Up to 1MHz
Control Features: Current Limit, Enable, On Time Control
Supply Voltage: 4.5 V ~ 75 V
Number of Outputs: 1
Output Configuration: Positive
Synchronous Rectifier: No
Family Name: LM5085
Output Phases: 1
Clock Sync: No
Categories: Integrated Circuits (ICs)
Manufacturer Homepage: www.ti.com
Manufacturer Package: 8-MSOP-EP
Duty Cycle (Maximum): 100%
Alternative Parts (Cross-Reference): LT1339CN; LT1339CSW#TRM; LT3845IFE;
Introduction Date: November 04, 2008
ECCN: EAR99
Country of Origin: Malaysia
Estimated EOL Date: 2028
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 60 pct.
Supply and Demand Status: Limited
IC REG CTRLR BUCK 8MSOP
Buck Regulator Positive Output Step-Down DC-DC Controller IC 8-HVSSOP
IC REG CTRLR BUCK 8MSOP
IC REG CTRLR BUCK 8MSOP
| Texas Instruments | DigiKey | Win Source Electronics | ODG (Origin Data Global) | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | LM5085QMY/NOPB | 296-46428-1-ND | 1200330-LM5085QMY/NOPB | LM5085QMY/NOPB | LM5085QMY/NOPB | LM5085QMY/NOPB | LM5085QMY/NOPB |
| Product Name | LM5085-Q1 Automotive Grade 4.5-75V Wide Vin, Constant On-Time Non-Synchronous PFET Buck Controller | DC DC Switching Controllers | PMIC - PMIC - Voltage Regulators - DCDC Switching Controllers - LM5085QMY/NOPB | DC DC Switching Controllers | DC DC Switching Controllers | Integrated Circuits (ICs) - Power Management (PMIC) - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Configuration / Function | Buck | Buck | Buck | Buck | |||
| Package Type | Other; MSOP-PowerPAD | Other; "8-PowerTSSOP, 8-MSOP (0.118"", 3.00mm Width)" | SSOP; Other; 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad | Other; 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) | SSOP; Other; 8-PowerTSSOP, 8-MSOP (0.118\", 3.00mm Width) | SSOP | |
| Special Features | Internal Current Limit; Adjustable Current Limit,Enable,Frequency Synchronization | Internal Current Limit; Multiple Outputs; Synchronous Rectification; Current Limit, Enable, On Time Control | Internal Current Limit; Current Limit, Enable, On Time Control | ||||
| Output Voltage | 1.25 to 75 volts | ||||||
| IOUT | 10 amps |
