# Data Sheet

# AM32101 Datasheet

[Open Data Sheet](https://r2.atlasmagnetics.com/assets/AM_32101_DS_r004_03022026_1_e9bda0baee.pdf)

Here is a brief summary. Check the full datasheet for detailed specifications

### 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