The Microchip MCP16311 is an adjustable output, fixed frequency, synchronous, step-down DC-DC converter that operates from input voltage sources up to 30V. Integrated into the device is a high-side and low-side switch, fixed frequency Peak Current Mode Control, internal compensation, peak-current limit and over-temperature protection.
Features Efficiency up to 95%
Input Voltage Range: 4.4V to 30V
1A Output Current Capability
Output Voltage Range: 2.0V to 24V
Qualification: AEC-Q100 Rev. G, Grade 1 (-40°C to 125°C)
Integrated N-Channel High-Side and Low-Side Switches – 170 mA Low-Side, 300 mA High Side
Stable Reference Voltage: 0.8V
Automatic Pulse Frequency Modulation/Pulse-Width Modulation (PFM/PWM) Operation
Low Device Shutdown Current: 3 μA typical
Low Device Quiescent Current: 44 μA (non-switching, PFM Mode)
Internal Compensation
Internal Soft-Start: 300 μs (EN low-to-high)
Peak Current Mode Control
Cycle-by-Cycle Peak Current Limit
Under-voltage Lockout (UVLO)
Over-temperature Protection
Feature
- Current Mode for non-V and Voltage Mode for V version
- Integrated Over Voltage Comparator
- Integrated Low Side MOSFET Driver
- Integrated Batt. Cur. and Batt. Volt. Amplifiers
- Internal over temperature protection
- Undervoltage Lockout
