LTC1872ES6#TRPBF

LTC1872 is a constant frequency current mode step-up DC/DC controller providing excellent AC and DC load and line regulation. This device incorporates an accurate undervoltage lockout feature that shuts down the device when the input voltage falls below 2V. This device boasts a ±2.5% output voltage accuracy and consumes only 270µA of quiescent current. For applications where efficiency is a prime consideration, this device is configured for Burst Mode operation, which enhances efficiency at low output current. It is widely used in application such as lithium-ion-powered applications, cellular telephones, wireless modems, portable computers, scanners etc.

• High efficiency over 90%
• High output currents easily achieved
• Wide VIN range is 2.5V to 9.8V
• VOUT limited only by external components
• Current mode operation for excellent line and load transient response
• ±2.5% reference accuracy
• Shutdown current is 8µA typical at (2.4V ≤ VIN ≤ 9.8V, VITH/RUN = 0V, TA = 25°C. VIN = 4.2V)
• Oscillator frequency is 550KHz typical at (VFB = 0.8V, TA = 25°C, VIN = 4.2V)
• Operating temperature is -40°C to 85°C
• Package style is 6-lead plastic SOT-23

附註

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