LM5164QDDARQ1
Compact 8-SO PowerPAD package containing a 6 to 100-volt input, 1-amp DC-DC buck converter with ultra-low quiescent current
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Part Number : LM5164QDDARQ1
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Package/Case : HSOIC (DDA)-8
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Brands : TI
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Components Categories : Voltage Regulators , DC DC Switching Regulators
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Datesheet : LM5164QDDARQ1 DataSheet (PDF)
Overview of LM5164QDDARQ1
Designed for use in automotive applications, the LM5164QDDARQ1 from Texas Instruments is a highly efficient step-down DC-DC buck converter that offers a wide input voltage range of 3.5V to 65V and a maximum output current of 300mA. With an impressive efficiency of up to 95%, this converter minimizes power dissipation, contributing to improved system performance in automotive power supply applications. The device features a fixed 3.3V output voltage with ±2% accuracy over a wide operating temperature range of -40°C to 150°C, ensuring consistent and reliable power delivery in harsh environmental conditions. Additionally, the LM5164QDDARQ1 provides a scaled version of the input voltage on the VFB pin, simplifying voltage scaling applications and enhancing its versatility in automotive power management systems. The device also incorporates a range of protection features, including thermal shutdown, overcurrent protection, and input undervoltage lockout, enhancing the safety and reliability of the power supply system
Key Features
Application
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Vin (min) (V) | 6 | Vin (max) (V) | 100 |
| Vout (min) (V) | 1.2 | Vout (max) (V) | 90 |
| Iout (max) (A) | 1 | Iq (typ) (mA) | 0.01 |
| Switching frequency (min) (kHz) | 75 | Switching frequency (max) (kHz) | 1000 |
| Features | Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO adjustable | Operating temperature range (°C) | -40 to 150 |
| Rating | Automotive | TI functional safety category | Functional Safety-Capable |
| Regulated outputs (#) | 1 | Control mode | Constant on-time (COT) |
| Duty cycle (max) (%) | 99 | Type | Converter |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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