TONE/PULSE SWITCHABLE DIALER WITH REDIAL

Description The GM6390 is a monolithic, integrated circuit manufactured using GS silicon Gate CMOS process.

TONE/PULSE SWITCHABLE DIALER WITH REDIAL

SOT-89 Step-Up PFM Switcher with Auto-Load Sense

Description 50 mA boost converter using Pulse Frequency Modulation, or PFM, technique, in 5-lead SOT-89 or a 5-lead SOT-23 package. Only 3 external components are needed to complete the switcher design. Features • 85 conversion efficiency at 50mA out • Start-up voltages as low as 900mV • ±2.5

SOT-89 STEP-UP PFM SWITCHER WITH AUTO-LOAD SENSE

General Description 50 mA boost converter using Pulse Frequency Modulation, or PFM, technique, in 5-lead SOT-89 or a 5-lead SOT-23 package. Only 3 external components are needed to complete the switcher design. Features • 85 conversion efficiency at 50mA out • Start-up voltages as low as 900mV

SC70, Single/Dual Low-Voltage, Low-Power 關P Reset Circuits

General Description The MAX6381–MAX6390 microprocessor (µP) supervisory circuits monitor power-supply voltages from +1.8V to +5.0V while consuming only 3µA of supply current at +1.8V. Whenever VCC falls below the factory-set reset thresholds, the reset output asserts and remains asserted for a

Control IC for CD-R/RW, DVDR/RW, DVD-RAM drive

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