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LMR60430-Q1 is an automotive grade 36V 3A synchronous buck converter with low Iq, high efficiency, and ultra-low COUP

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Description

Parameter Details
Rating Automotive
Topology Buck
Iout (max) (A) 3
Vin (max) (V) 36
Vin (min) (V) 3
Vout (max) (V) 34
Vout (min) (V) 1
Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, Wettable flanks package
EMI features Low parasitic Hotrod packaging, Spread Spectrum
Control mode current mode
Switching frequency (min) (kHz) 200
Switching frequency (max) (kHz) 2200
TI functional safety category Functional Safety – Capable
Operating temperature range (°C) -40 to 150
Iq (typ) (μA) 4
Duty cycle (max) (%) 98
Type Converter
Parameter Details
Input Voltage Range Wide operating input voltage range: 3V to 36V (absolute maximum is 42V)
Quiescent Current Ultra – low quiescent current; Shutdown current: 0.65μA; No – load standby current: 5μA
Output Voltage Options Pin – programmable output voltage options available in fixed 1.8V/ADJ, 3.3V/ADJ and 5V/ADJ; Adjustable output voltage range: 1V to 20V
Minimum tON Low minimum tON (typical value is 30ns)
EMI Design Designed to meet low electromagnetic interference (EMI) requirements; Helps comply with CISPR 25 Class 5 standard; Low – inductance HotRod™ QFN package; Spread spectrum options provided
Switching Frequency Programmable switching frequency range: 200kHz to 2.2MHz
Modulation & Synchronization Supports FPWM, PFM or external frequency synchronization
Scalability Designed for scalable power supplies; Pins compatible with LMR60406 – Q1, LMR60410 – Q1, LMR60420 – Q1 and LMR60440 – Q1
Power Sequencing Power – good output for power sequencing control

 

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