Freescale

Description

The MC34129 /MC33129 are high performance current mode switching regulators specifically designed for use in low power digital telephone applications. The MC145481 is a general purpose per channel PCM Codec Filter with pin selectable Mu Law or A Law companding, and is offered in 20 pin SOG and. MC34129 Current Mode Controller Single Transistor SMPS. SG3526. Power Supply Controller Push Pull SMPS. All of these devices function quite comfortably MC34129 . SWITCHING. POWER. SUPPLY. (ISOLATED). LINE. FILTER. SYNC. Figure 6. Line Powered Voice/Data Telephone with Electrically Isolated EIA ABSTRACT. The flyback power stage is a popular choice for single and multiple output dc-to-dc converters at power levels of 150 Watts or less. Without the