Description
www.DataSheet4U.com 19-2659; Rev 0; 10/02 KIT ATION EVALU E L B A IL AVA W-CDMA/N-CDMA Cellular Phone HBT PA Management ICs General .
Features
o Step-Down Converter Dynamically Adjustable Output Voltage from 0.
Features
* o Step-Down Converter Dynamically Adjustable Output Voltage from 0.75V to 3.4V (MAX1958) Dynamically Adjustable Output Voltage from 1V to 3.6V (MAX1959) 800mA Guaranteed Output Current 130mV IC Dropout at 600mA Load Low Quiescent Current 190µA (typ) in Skip Mode (MAX1958) 3mA (typ) in PWM Mode 0.1µA
Applications
* W-CDMA and N-CDMA Cellular Phones Wireless PDAs and Modems
TOP VIEW
20
19
18
17
AOUT SHDN2 AGND TOUT REF
1 2 3 4 5 10 6 7 8 9
16 15 14
INP
IN+
IN-
PWM INP IN LX PGND
MAX1958/ MAX1959
13 12 11
SHDN3
AGND
COMP
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. THIN QFN