Shenzhen Meiyuxin Technology Co., Ltd. [TI agent] supplies LM5165YDRCR switching regulator 3V-65V, 150mA Sync Buck Converter! ! !

Product Description:

The LM5165YDRCR device is an easy-to-use, compact 3V to 65V, ultra-low IQ synchronous buck converter that provides high efficiency over a wide input voltage and load current range. The device features integrated high-side and low-side power MOSFETs and is capable of delivering up to 150mA of output current with fixed or adjustable output voltages of 3.3V or 5V. The converter is designed to simplify implementation while optimizing the performance of the target application. Pulse Frequency Modulation (PFM) mode ensures optimum efficiency at light loads, and Constant On Time (COT) control enables near constant operating frequency. Both control schemes require no loop compensation, while still achieving excellent line and load transient response and short pulse-width modulation (PWM) on-time for high step-down conversion ratios.

The LM5165YDRCR high-side P-channel MOSFET can operate at 100% duty cycle to ensure the lowest dropout voltage and does not require a bootstrap capacitor for gate drive. In addition, the current limit setting can be adjusted to optimize inductor selection to meet specific output current requirements. Selectable and adjustable start-up timing options include minimum delay (no soft-start), internal fixed value (900µs), and externally programmable soft-start using capacitors. An open-drain PGOOD indicator can be used for sequencing, fault reporting, and output voltage monitoring. The LM5165 buck converter is available in a 10-lead 3mm × 3mm thermally enhanced VSON-10 package (0.5mm pitch).

Features:

• Wide input voltage range from 3V to 65V

• 10.5µA no-load quiescent current

• -40°C to 150°C junction temperature range

• Fixed (3.3V and 5V) or adjustable output voltage

• Complies with EN55022/CISPR 22 EMI standards

• Integrated 2Ω PMOS buck switch

– Supports 100% duty cycle for low dropout

• Integrated 1Ω NMOS synchronous rectifier

– No need for external rectifier diodes

• Programmable current limit set point (four levels)

• Optional PFM or COT mode operation

• 1.223V ±1% internal voltage reference

• 900µs internal or programmable soft-start

• Effective slew rate control for low EMI

• Diode emulation mode and pulse skipping mode for ultra-high efficiency at light loads

• Monotonic startup to pre-biased output

• No loop compensation or bootstrap components

• Precision enable and input UVLO with hysteresis

• Pin-to-pin compatible with LM5166

• Thermal shutdown protection with hysteresis

• 10-pin 3mm × 3mm VSON package

• Reduce time to market with TPSM265R1 module

Applications:

• 4–20mA loop powered sensor

• Automotive and battery powered devices

• High voltage LDO replacement

• Industrial Control Systems

• Universal bias supply