TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Number of Pins | 10 Pin |
Case/Package | PowerPad-MSOP-10 |
Number of Outputs | 1 Output |
Output Voltage | 1V ~ 18V |
Output Current | 1.5 A |
Quiescent Current | 2.40 mA |
Number of Regulated Outputs | 1 Output |
Switching Frequency | 2 MHz |
Topology | Buck |
Input Voltage (Max) | 20 V |
Input Voltage (Min) | 3 V |
Output Voltage (Max) | 18 V |
Output Voltage (Min) | 1 V |
Input Voltage | 3V ~ 20V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tape & Reel (TR) |
Operating Temperature | -40℃ ~ 125℃ |
The LM2734x and LM2734x-Q1 regulators are monolithic, high-frequency, PWM step-down DC-DC converters in 10-pin WSON and 10-pin MSOP-PowerPAD packages. They contain all the active functions to provide local DC-DC conversion with fast transient response and accurate regulation in the smallest possible PCB area.
●With a minimum of external components, the LM2734x and LM2734x-Q1 are easy to use. The ability to drive 1.5-A or 2-A loads respectively, with an internal 150-mΩ NMOS switch results in the best power density available. The world-class control circuitry allows for on-times as low as 65 ns, thus supporting exceptionally high frequency conversion. Switching frequency is internally set to 2 MHz and synchronizable from 1 to 2.35 MHz, which allows the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequency is very high, efficiencies up to 90% are easy to achieve. External shutdown is included, which features an ultra-low shutdown current of 70 nA. The LM2734x and LM2734x-Q1 use peak current-mode control and internal compensation to provide high-performance regulation over a wide range of operating conditions. Additional features include internal soft-start circuitry to reduce inrush current, pulse-by-pulse current limit, thermal shutdown, and output overvoltage protection.
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