General Description

The RT9161B is a single-cell lithium-ion battery charger. It includes an on-chip pass transistor for high precision charging. Featuring with ultrahigh precision (±1), the RT9161B provides a very effective and low cost solution for charging lithium ion battery.

Other features of the RT9161B are current limit and thermal shutdown protection. The output voltage of RT9161B is internally set and ranges from 4.10V to 4.35V, in 0.05V steps. The RT9161B comes in the

SOT-89 and SOT-223 packages.

Features

High Accuracy Charge Voltage: ±1

6 Available Output Voltages

Low 450mV Dropout at 300mA

Wide Input Voltage Range

Thermal Shutdown and Current Limit Protection

SOT-89 and SOT-223

Low Ground Current 110µA

Applications

Li-Ion Battery Charger

Cellular Phones

Palmtop Computers

PDAs

Self Charging Battery Packs

RT9161-45GV属于集成电路（IC） > 线性 + 开关稳压器。立绮科技制造生产的RT9161-45GV稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。