MB39C022JPN集成电路（IC）的线性稳压器控制器规格书PDF中文资料

MB39C022JPN属于集成电路（IC）的线性稳压器控制器。由赛普拉斯半导体公司制造生产的MB39C022JPN稳压器 - 线性 + 开关此产品族中的产品用于构建执行 DC-DC 转换或电压调节功能的电路，采用的是开关模式和线性稳压器功能的组合。虽然具体的拓扑各不相同，但此类产品的主要目的是将开关模式技术的效率优势与线性稳压技术的低噪声特性结合在一起。

描述 Description

The MB39C022 is a 2 channels power supply IC. It consists of one channel Buck DC/DC Converter and one channel LDO regulator. The DC/DC converter has fast transient response with current mode control topology. Moreover, the integrated LDO provides an auxiliary output supply for noise sensitive circuit.

特性 Features

■ Power supply voltage range : 2.5 V to 5.5 V

■ For Buck DC/DC included SW FET (CH1) : output 0.8 V to 4.5 V, 600 mA Max DC

■ For LDO (CH2) : output 3.30 V (MB39C022G) 300 mA Max DC

: output 2.85 V (MB39C022J) 300 mA Max DC

: output 1.80 V (MB39C022L) 300 mA Max DC

: output 1.20 V (MB39C022N) 300 mA Max DC

■ Error amplifier threshold voltage : 0.3 V ± (2.5 ) (CH1)

■ Fast line transient response with current mode topology (CH1)

■ PFM mode at light load current with VO1/VIN1 ≤ 80 (IO1 ≤ 10 mA) (CH1)

■ Power-on-reset with 66 ms delay (CH1)

■ Built-in short circuit protect (CH2)

■ Built-in over current protect (CH1, CH2)

■ Built-in thermal protection function

■ Small size plastic SON-10 (3 mm × 3 mm) package

Applications

■ Portable Equipment

■ PND, GPS

■ PMP

■ Mobile TV, USB-dongle (CMMB, DVB-T, DMB-T)

■ Smart-phone

■ MP3