Description
The AM32101 is a programmable step-down converter with an input voltage range of 2.4V to 5.5V and a maximum output current of 1A. The output voltage can be set between 0.6V and 3.8V.
Key features
- 2.4V to 5.5V input voltage range
- Flexible Output Voltage Selection:
- Internal voltage dividers: 0.6V, 0.9V, 1.1V, 1.8V, 2.5V, or 3.3V, simplifying design and reducing external components
- External resistor divider for custom output voltages. 0.6V to 3.8V
- IOUT: 1A Continuous
- 15µA Quiescent Current
- Operating Modes:
- Auto Mode (PFM/PWM) – optimized for battery-powered applications
- Sleep Mode
- USM – Avoid audio frequency (for duty cycle < 70%)
- FPWM Mode – ensures low output voltage ripple
- Configurable CCM Switching Frequency: 2MHz–3MHz with step 0.2MHz
- Power Good Signal: Provides system monitoring capability
- Output Discharge
- Protection Circuitry
- Undervoltage Lockout
- Overvoltage Protection
- Peak Current Limit
- Valley Current Limit
- Short Circuit Protection (Hiccup Mode)
- Thermal Shutdown