ADP671の購入情報と機能

a FEATURES Handles all GSM Baseband Power Management Six LDOs Optimized for Specific GSM Subsystems Li-Ion and NiMH Battery Charge Function Optimized for the AD20msp430 Baseband Chipset APPLICATIONS GSM, DCS, PCS, CDMA Handsets GSM Power Management System ADP3408 FUNCTIONAL BLOCK DIAGRAM VBAT VBAT2

a 5-Bit Programmable Triple Power Supply Controller for Pentium® III Processors ADP3155 FUNCTIONAL BLOCK DIAGRAM VCC DRIVE1 DRIVE2 PGND AGND PWRGD SENSE+ SENSE NONOVERLAP DRIVE SD CROWBAR IN OFF CMPI Q S R gm REFERENCE CMPT OFF-TIME CONTROL VIN SENSE VLDO2 FB2 VLDO1 FB1 VREF +5% VT1 VREF VREF 5%

a FEATURES 1.2% Accuracy Over Line and Load Regulations @ 25 C Ultralow Dropout Voltage: 80 mV Typical @ 50 mA Requires Only CO = 0.47 F for Stability anyCAP = Stable with All Types of Capacitors (Including MLCC) Current and Thermal Limiting Low Noise Low Shutdown Current: 1 A 3.0 V to 12 V Suppl

a High-Ef ciency Notebook Computer Power Supply Controller ADP3020 GENERAL DESCRIPTION FEATURES Wide Input Voltage Range: 4.5 V to 25 V High Conversion Ef ciency > 96% Integrated Current Sense No External Resistor Required Low Shutdown Current: 7 A (Typical) Dual Synchronous Buck Controllers with