Manufacturer Part Number
ADP121-ACBZ33R7
Manufacturer
analog-devices
Introduction
A highly efficient, low dropout linear regulator designed for Power Management, specifically for applications requiring a fixed 3.3V output voltage.
Product Features and Performance
Positive output configuration with a fixed 3.3V output.
Low dropout voltage of 0.135V at 150mA load, maximizes efficiency.
Quiescent current of 21 µA, reduces standby power consumption.
High PSRR of 60dB at 10kHz, ensures stable output voltage under varying input conditions.
Enable control feature for power-saving modes.
Offers protection against overcurrent, over-temperature, and under-voltage lockout (UVLO).
Product Advantages
Ultra-low dropout feature enables full performance even at low input voltages.
Minimal quiescent current extends battery life in portable devices.
High power supply rejection ratio guarantees stable operation.
Integrated protection features enhance system reliability.
Compact 4-WLCSP package suitable for space-critical applications.
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 3.3V
Current Output: 150mA
Dropout Voltage (Max): 0.135V @ 150mA
Current Quiescent (Iq): 21 µA
PSRR: 60dB (10kHz)
Operating Temperature: -40°C to 125°C
Quality and Safety Features
Overcurrent protection ensures device safety under excessive loads.
Overtemperature protection prevents damage from high operating temperatures.
Under Voltage Lockout (UVLO) improves system safety and reliability.
Compatibility
Designed for compatibility with a wide range of circuits requiring a stable 3.3V power supply.
Application Areas
Battery-powered Devices
Portable and Wearable Electronics
Microcontroller Power Supplies
IoT Devices
Product Lifecycle
Currently Active with no indication of discontinuation. Replacement or upgrade paths are available for future considerations.
Several Key Reasons to Choose This Product
High efficiency and reliability for critical power applications.
Low dropout voltage enables operation close to the input voltage, ideal for battery-operated devices.
Extended battery life facilitated by ultra-low quiescent current.
Robust protection features safeguard against various operational anomalies.
Compact footprint compatible with modern, space-constrained designs.
Versatile, supporting a wide range of applications across different sectors.
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