LTC3114EFE-1#PBF

LINEAR TECHNOLOGY  LTC3114EFE-1#PBF  直流-直流开关升压, 降压稳压器, 可调, 2.2V-40V输入, 2.7V-40V输出, 1A输出, TSSOP-16

The is a 40V 1A synchronous buck-boost DC/DC Converter with programmable average output current. The LTC3114-1"s proprietary buck-boost PWM control circuitry delivers low noise operation across the entire operating voltage range. Current mode control ensures exceptional line and load transient responses. Synchronous, internal MOSFET switches and pin selectable Burst Mode® operation maintain high efficiency across the entire range of load current. Average output current is programmed with a standard resistor and provides the basis for wide input range, high efficiency charging systems or constant current, high efficiency LED drive. Regulator turn-on is programmable through the accurate RUN pin. Quiescent current is just 3µA in shutdown. Over-temperature protection, short-circuit protection and soft-start are integrated.

.

Regulates VOUT above, below or equal to VIN

.

Single inductor

.

1A Output current in buck mode

.

0.5A Output current VIN = 3.6V, VOUT = 5V

.

Programmable average output current

.

Up to 96% efficiency

.

Burst Mode® operation, 30µA no-load IQ

.

Current mode control

.

1.2MHz Ultralow noise PWM

.

Accurate RUN pin threshold