LTC3406ES5-1.2#TRMPBF

LTC3406-1.2 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The 2.5V to 5.5V input voltage range makes the device ideally suited for single Li-ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems. Automatic Burst Mode operation further increases efficiency at light loads. Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors. The internal synchronous switch increases efficiency and eliminates the need for an external schottky diode. It is widely used in application such as cellular telephones, personal information appliances, wireless and DSL modems, digital still cameras, MP3 players, portable instruments etc.

• High efficiency upto 90%
• Current mode operation for excellent line and load transient response
• Overtemperature protected
• Quiescent current is 20µA typical at (VOUT = 1.236V, ILOAD = 0A, TA = 25°C)
• Quiescent current in shutdown mode is 1µA max at (VRUN = 0V, VIN = 5.5V, TA = 25°C)
• Output voltage line regulation is 0.04%/V typical at (VIN = 2.5V to 5.5V, TA = 25°C)
• Output voltage load regulation is 0.5% typical at (TA = 25°C, VIN = 3.6V)
• Regulated output voltage is 1.2V typical at (IOUT = 100mA, TA = 25°C)
• Operating temperature is -40°C to 85°C
• Package style is 5-lead plastic TSOT-23

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party