ADP1614

Data Sheet 650 kHz/1.3 MHz, 4 A, Step-Up, PWM, DC-to-DC Switching Converter ADP1614 FEATURES Adjustable and fixed current-limit options Adjustable up to 4 A Fixed 3 A 2.5 V to 5.5 V input voltage range 650 kHz or 1.3 MHz fixed frequency option Adjustable output voltage, up to 20 V Adjustable soft start Undervoltage lockout Thermal shutdown 3 mm × 3 mm, 10-lead LFCSP Supported by ADIsimPower design tool APPLICATIONS TFT LCD bias supplies Portable applications Industrial/instrumentation equipment GENERAL DESCRIPTION The ADP1614 is a step-up, dc-to-dc switching converter with an integrated power switch capable of providing an output voltage as high as 20 V. The ADP1614 is available with a pin-adjustable current limit that is set via an external resistor with the boost switching frequency fixed to either 650 kHz or 1.3 MHz. Alternatively, the ADP1614 is also available with fixed 3 A current limit and a pin-selectable frequency. With a package height of 0.8 mm, the ADP1614 is optimal for...