TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Number of Pins | 10 Pin |
Case/Package | VSON-10 |
Number of Outputs | 1 Output |
Output Current | 500 mA |
Number of Positions | 10 Position |
Quiescent Current | 10.0 µA |
Number of Regulated Outputs | 1 Output |
Switching Frequency | 600 kHz |
Switching Current | 1.25 A |
Input Voltage (Max) | 65 V |
Input Voltage (Min) | 3 V |
Output Voltage (Max) | 65 V |
Output Voltage (Min) | 1.23 V |
Output Current (Max) | 0.5 A |
Operating Temperature (Max) | 150 ℃ |
Operating Temperature (Min) | -40 ℃ |
Input Voltage | 65 V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tape & Reel (TR) |
Operating Temperature | -40℃ ~ 150℃ (TJ) |
The LM5166 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 500 mA of output current can be delivered at fixed output voltages of 3.3 V or 5 V, or 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 load 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 LM5166 is available in a 10-pin VSON package with 0.5-mm pin pitch.
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