Manufacturer Part Number
MAX1673ESA+
Manufacturer
Analog Devices
Introduction
Integrated circuit for power management, specifically a DC DC switching voltage regulator
Product Features and Performance
Step-down (buck) functionality
Adjustable negative output voltage
Charge pump topology
Single output
Operates with input voltages ranging from 2V to 5.5V
Provides output voltages from -1.5V to -5.5V
Output current capacity of 125mA
Switching frequency at 350kHz
Lacks synchronous rectification
Thermal operating range of -40°C to 85°C
Product Advantages
Efficient voltage conversion for negative output applications
Compact surface-mount SOIC-8 package
Appropriate for battery-powered devices due to low input voltage capability
Key Technical Parameters
Voltage - Input (Min): 2V
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): -1.5V
Voltage - Output (Max): -5.5V
Current - Output: 125mA
Frequency - Switching: 350kHz
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Operation within industrial temperature ratings
Surface mount technology for reliable PCB assembly
Compatibility
Compatible with surface mount technology assembly lines
Designed for applications requiring adjustable negative voltage output
Application Areas
Battery-powered devices
Portable electronics
Negative voltage rail generation
Industrial control systems
Product Lifecycle
Product Status: Active
Not indicated as nearing discontinuation
Upgrades or replacements should be identified based on future manufacturer notifications
Several Key Reasons to Choose This Product
Offers broad input voltage range suited for various power sources
Negative output capability ideal for specialized electronic circuits
Relatively high switching frequency for a compact power solution
Operates within an extended temperature range, suitable for industrial applications
Manufactured by Analog Devices, a reputable semiconductor company