Texas Instruments LMR51435SQDRRRQ1
Manufacturer No:
LMR51435SQDRRRQ1
Manufacturer:
Texas Instruments
Package:
Description:
Switching Voltage Regulators Automotive 36V 3.5 A Synchronous buck c
Quantity:
In Stock :4274
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Expected Shipping：Sun, May 31 - Mon, Jun 1, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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LMR51435SQDRRRQ1 Information
Texas Instruments LMR51435SQDRRRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments LMR51435SQDRRRQ1.
- Type
- Parameter
- Rating
- Automotive
- Topology
- Buck
- Iout (max) (A)
- 3.5
- Vin (max) (V)
- 36
- Vin (min) (V)
- 4.5
- Vout (max) (V)
- 38
- Vout (min) (V)
- 0.6
- Features
- Enable, Fixed soft start, Forced PWM, Light-load efficiency
- EMI features
- Spread Spectrum
- Control mode
- current mode
- Type
- Parameter
- Switching frequency (min) (kHz)
- 200
- Switching frequency (max) (kHz)
- 1100
- TI functional safety category
- Functional Safety-Capable
- Operating temperature range (°C)
- -40 to 125
- Iq (typ) (µA)
- 40
- Duty cycle (max) (%)
- 98
- Type
- Converter
- Package
- WSON (DRR)
- Pins
- 12
- Size
- 9 mm² 3 x 3
Download datasheets and manufacturer documentation for Texas Instruments LMR51435SQDRRRQ1.
Data sheet:
Functional safety information:
The LMR514x5-Q1 is a wide-VIN, easy-to-use, synchronous buck converter capable of driving up to 2.5A or 3.5A load current. With a wide input range of 4V to 36V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.
The LMR514x5-Q1 features adjustable switching frequency from 200kHz to 1MHz with an external resistor, which provides the flexibility to optimize either efficiency or external component size. The device has pulse frequency modulation (PFM version) to realize high efficiency at light load, and forced pulse width modulation (FPWM version) to achieve constant frequency, and small output voltage ripple over the full load range. Soft-start and compensation circuits are implemented internally, which allows the device to be used with minimum external components.
The device has built-in protection features, such as cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown in case of excessive power dissipation. The LMR514x5-Q1 is available in a WSON-12 package.
- AEC-Q100 qualified for automotive applications
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
- Functional Safety-Capable
- Supports automotive system requirements:
- Wide input voltage range: 4V to 36V
- Continuous output current: 2.5A or 3.5A
- ±1.0% tolerance voltage reference at room temperature
- Minimum switching-on time: 75ns (typical)
- Low quiescent current: 25µA
- Adjustable frequency: 200kHz to 1MHz
- Frequency spread spectrum
- Protection features:
- Precision enable input
- Open-drain PGOOD
- VIN undervoltage lockout (UVLO)
- Cycle-by-cycle current limiting
- Short-circuit protection with hiccup mode
- Thermal shutdown
- Small design size and ease of use
- Integrated synchronous rectification
- Internal compensation for ease of use
- WSON-12 package
- PFM and FPWM options in pin-to-pin compatible package
- Create a custom design using the LMR514x5-Q1 with the WEBENCH Power Designer
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