LM2772 - 低纹波开关电容器降压稳压器

LM2772是TI德州仪器公司的一款电荷泵（无感应器）产品，LM2772是低纹波开关电容器降压稳压器，本站介绍了LM2772的封装应用图解、特点和优点、功能等，并给出了与LM2772相关的TI元器件型号供参考。

LM2772 - 低纹波开关电容器降压稳压器 - 电荷泵（无感应器） - DC/DC开关稳压器 - 德州仪器

产品描述

The LM2772 is a switched capacitor step-down regulator that produces a 1.2V output. It is capable of supplying loads up to 150mA with 3% output voltage regulation over line, load, and temperature. The LM2772 operates with an input voltage from 3.0V to 5.5V, accommodating 1-cell Li-Ion batteries and chargers.

The LM2772 utilizes a highly efficient regulated multi-gain charge pump. Pre-regulated 1.1MHz fixed-frequency switching results in very low ripple and noise on both the input and the output. When output currents are low, the part automatically switches to a low-ripple PFM regulation mode to maintain high efficiency over the entire load range.

The LM2772 is available in TI’s WSON-10 Package (WSON-10).

产品特性

Low-Noise Fixed Frequency Operation
1.2V Output Voltage
3% Output Voltage Regulation
Li-Ion (3.6V) to 1.2V with 80% Efficiency
Very Low Output Ripple: 8mV @ 150mA
Output Currents up to 150mA
2.7V to 5.5V Input Voltage Range
Shutdown Disconnects Load from VIN
1.1MHz Switching Frequency
No Inductors…Small Solution Size
Short Circuit and Thermal Protection
WSON-10 Package (3mm × 3mm × 0.8mm)

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