Designed for battery-powered and portable equipment
Requires external power MOSFET, diode, inductor, and output capacitor
Electrical Characteristics
Input Voltage Range:
4 V to 16 V
Reference Voltage:
1.5 V ±2%
Quiescent Supply Current:
Typically 110 µA
Shutdown Current:
Typically <10 µA
Oscillator
Internal oscillator
Switching Frequency:
300 kHz typical
Output Regulation
Adjustable output voltage
Output voltage set using external resistor divider
Suitable for:
3.3 V
5 V
Adjustable outputs
Efficiency
Up to 90% typical
Optimized for battery-powered applications
Low power dissipation
Protection Features
Current limiting
Undervoltage lockout (UVLO)
Soft-start characteristics
Shutdown control input
Thermal protection (application dependent)
Control Features
PWM current-mode control
Fast transient response
Excellent line regulation
Excellent load regulation
Package Information
Package Type: PDIP
Pin Count: 8 Pins
Mounting Style: Through-Hole
Operating Temperature
MAX763ACPA:
0°C to +70°C
Typical Applications
Portable instruments
Battery-powered equipment
Embedded systems
Industrial controls
Telecommunications equipment
Handheld devices
Point-of-sale terminals
Distributed power systems
Key Features
High-efficiency buck regulator controller
4 V to 16 V input range
300 kHz switching frequency
110 µA quiescent current
<10 µA shutdown current
Adjustable output voltage
Up to 90% efficiency
8-pin DIP package
Additional Information
Device
IC
The MAX763ACPA is a high-efficiency 3.3V step-down DC-DC converter designed for battery-powered devices. With an adjustable output voltage, low quiescent current, and up to 90% efficiency, it delivers reliable power while minimizing energy waste. Perfect for portable instruments and embedded systems, this 8-pin regulator ensures exceptional performance and longevity in your applications.
