max889MAX889 includes soft-start, shutdown control, short-cir-cuit, and thermal protection. The oscillator, control circuitry, and four power MOSFET. switches are included on-chip. The charge pumpIntegrated Cellular RF-Section Power-Management IC, MAX8890 Datasheet, MAX8890 circuit, MAX8890 data sheet : MAXIM, , Datasheet, Datasheet search site for Electronic