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LM63615-Q1
- 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
- Input voltage range: 3.5 V to 36 V
- Short 50-ns minimum on time
- Good EMI performance Pseudo-random spread spectrum Compatible with CISPR 25
- 23-µA low operating quiescent current
- –40°C to +150°C junction temperature range
- High design flexibility
- Pin selectable VOUT: 3.3 V, 5 V, adjustable 1 V to 20 V
- Pin compatible with the LM63610 and LM63635 (1 A, 3.25 A)
- Pin selectable frequency: 400 kHz, 2.1 MHz, adjustable 250 kHz to 2200 kHz
- Pin selectable FPWM, auto, sync modes
- TSSOP: thermally enhanced package
- WSON: for space-constrained applications
- Small solution size
- As small as 10 mm × 10 mm for 2.5 A, 2.2 MHz with WSON package
- Highly integrated solution
- Low component count
The LM636x5-Q1 is an easy-to-use, synchronous, step-down DC/DC converter designed for rugged automotive applications. The LM636x5-Q1 can drive up to 1.5-A or 2.5-A of load current from an input of up to 36 V. The converter has high light load efficiency and output accuracy in a small solution size. Features such as a RESET flag and precision enable provide both flexible and easy-to-use solutions for a wide range of applications. Automatic frequency foldback at light load improves efficiency while maintaining tight load regulation. Integration eliminates many external components and provides a pinout designed for simple PCB layout. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. The LM636x5-Q1 is available in the HTSSOP 16-pin power package, with PowerPAD™ , and the WSON 12-pin power package.
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View all 12 Design & development
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Evaluation board
LM63615QDRREVM — Evaluation module for 3.5-V to 36-V, 1.5-A step-down voltage converter with spread spectrum
The LM63615QDRREVM evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LM63625-Q1 synchronous step-down converter.
Reference designs
PMP22063 — Automotive cluster and display power reference design with warm/cold-crank capability
This reference design provides the system rails for automotive HUD, center information display, cluster display, or other automotive displays. A 3.3-V bus is generated by an off-battery buck converter. A boost converter provides 3.3-V to 5-V conversion and a buck provides 1.8 V from the 3.3-V (...)
Reference designs
PMP22030 — Efficient, low-heat, CISPR 25 class 5-compliant power reference design for infotainment display
This reference design is focused on the power tree for an automotive infotainment display unit covering various power supply rails including two off-battery converters providing 5.0-V and 3.3-V, and intermediary system rails of 1.8-V and 1.1-V. The test results demonstrate high efficiency, low (...)
| Package | Pins | Download |
|---|---|---|
| HTSSOP (PWP) | 16 | View options |
| WSON (DRR) | 12 | View options |
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