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Supply, Recycling Automotive (TI) LMR43610MSC5RPERQ1 with 3V to 36V input, 1A, low EMI synchronous step-down regulator.

Device introduction

The LMR43610MSC5RPERQ1 is an industry ultra-compact 36V, 1A synchronous step-down DC/DC converter in a 2mm x 2mm HotRod package. This easy-to-use converter supports a wide input voltage range from 3.0V to 36V, as well as transient voltages up to 42V.

The control architecture and feature set are optimized for ultra-small solution sizes. The device uses peak current mode control to minimize output capacitance. The LMR436x0-Q1's rich feature set is designed to simplify the implementation of various automotive class terminal devices.

peculiarity

• Complies with AEC-Q100 standard for automotive applications:

- Temperature Class 1: -40 °C to +125°C, TA

• Provides functional safety

- Documentation to assist in functional safety system design

• Efficiency above 85% at 1 mA

- Has a total non-switching IQ of 1.2 µA at 13.5VIN, fixed 3.3VOUT

• Miniature solution size and low component cost

- 2mm x 2mm HotRod™ package with wettable flanks

- Internal compensation

• Optimized for ultra-low EMI requirements

- Spread spectrum reduces peak emission

- Comply with CISPR25 Class 5 standards

- Constant frequency can be provided by the MODE/SYNC pin using pin-optional FPWM mode under light load

- FSW synchronizes with the MODE/SYNC pin

• Designed for automotive applications

- Junction temperature range: -40 °C to +150°C

- Supports 42V vehicle load drop

- 3V VIN is provided for cold start of the car

- Adjustable range up to 95% VIN with 3.3V and 5V fixed VOUT options

• Suitable for scalable power supplies

- Adjustable FSW: 200 kHz to 2.2 MHz (RT pin)

- Pin compatible with:

• LMR36506-Q1 (65V, 600mA)

• LMR36503-Q1 (65V, 300mA)

Typical application

• Advanced driver assistance System: Radar ECU

• Infotainment system and instrumentation: audio console, eCall

• Body electronics and lighting

Company website: www.hkmjd.com