See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DRC | 10

Temp:

S (-40 to 150)

ECO Plan:

Green (RoHS & no Sb/Br)

LM5165XDRCT


3V-65V, 150mA Synchronous Buck Converter With Ultra-Low IQ

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Qty.Price
1 - 9 $ 3.72
10 - 24 $ 3.35
25 - 99 $ 3.12
100 - 249 $ 2.74
250 - 499 $ 2.57
500 - 749 $ 2.18
750 - 999 $ 1.84
1000 - 9999 $ 1.55

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Texas Instruments LM5165XDRCT

The LM5165 device is a compact, easy-to-use, 3-V to 65-V, ultra-low IQ synchronous buck converter with high efficiency over wide input voltage and load current ranges. With integrated high-side and low-side power MOSFETs, up to 150-mA of output current can be delivered at fixed output voltages of 3.3 V or 5 V or at an adjustable output. The converter is designed to simplify implementation while providing options to optimize the performance for the target application. Pulse Frequency Modulation (PFM) mode is selected for optimal light-load efficiency or Constant On-Time (COT) control for nearly constant operating frequency. Both control schemes do not require loop compensation while providing excellent line and load transient response and short PWM on-time for large step-down conversion ratios.

The high-side P-channel MOSFET can operate at 100% duty cycle for lowest dropout voltage and does not require a bootstrap capacitor for gate drive. Also, the current limit setpoint is adjustable to optimize inductor selection for a particular output current requirement. Selectable and adjustable start-up timing options include minimum delay (no soft start), internally fixed (900 µs), and externally programmable soft start using a capacitor. 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-pin, 3-mm × 3-mm, thermally-enhanced VSON-10 package with 0.5-mm pin pitch.

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