LM2830XMF

• The LM2830ZQ and LM2830XQ SOT23-5 packages are AEC-Q100 Class 1 qualified (-40°C to +125°C operating junction temperature) class
• Space-saving SOT23-5 package
• Input voltage range from 3.0V to 5.5V
• The output voltage range is 0.6V to 4.5V
• 1.0A output current
• High switching frequency

• 1.6MHz (LM2830X)

• 3.0MHz（LM2830Z）
• 130mΩ PMOS switch
• 0.6V, 2% internal reference voltage
• Internal soft start
• Current mode, PWM operation
• Thermal shutdown
• Overvoltage protection

illustrate

The LM2830 regulator is a monolithic, high-frequency, PWM step-down DC/DC converter in a 5-pin SOT23 package and a 6-pin LLP package. It offers all the positive features, providing fast transient response and minimal PCB area to precisely regulate local DC/DC conversion. With minimal external components, the LM2830 is easy to use. The ability to drive an internal 1.0A 130mΩ PMOS load switch uses state-of-the-art equipment and the best power density technology available for the state-of-the-art 0.5 μm BiCMOS process. The world-class control circuitry achieves chip-folds as low as 30ns, thus supporting very high output voltages that are reduced to a minimum of 0.6V over the entire conversion 3V to 5.5V input operating voltage range. When the switching frequency is set internally to 1.6 MHz or 3.0 MHz, it allows for the use of very small surface-mount inductors and chip capacitors. Even at high operating frequencies, up to 93% efficiency is easily achieved. External shutdown is included and is made up of an ultra-low with an independent 30 nA current. The LM2830 adopts functions such as current mode control and internal compensation, and the wide range of operating conditions is highly stable. Other features include internal soft-start circuitry to reduce inrush current, pulse through pulse current limiting, thermal shutdown, and overvoltage protection output.

apply

• Local 5V to core step-down converter
• At the heart of the hard drive
• Stb
• USB-powered devices
• DSL modem
• Car