Description

The SiP21101DR is a BiCMOS 150 mA low noise LDO voltage regulator specifically designed for low battery-operated low powered applications. With its ultra-low ground current and low dropout voltage of 135 mV at 150 mA load, it helps to extend the battery life of portable electronics. The SiP21101DR is an ideal choice for systems requiring a quiet voltage source, such as RF applications, thanks to its low output noise. It is available in various package options including SC70-5L (2.1 mm x 2.1 mm x 0.95 mm), TSOT23-5L (3.05 mm x 2.85 mm x 1.0 mm), and TSC75-6L (1.6 mm x 1.6 mm x 0.55 mm), offering flexibility in design and compatibility with different devices.

Specifications and features

• Output voltage accuracy: 1.0% at 25 °C
• Dropout voltage: 135 mV at 150 mA
• Low output noise: 60 µV(rms) (10 Hz to 100 kHz bandwidth) with 10 nF over full load range
• Ground current: 35 µA (typical) at 1 mA load
• Shutdown current: 1 µA maximum at 85 °C
• Built-in short circuit (330 mA typical) and thermal protection (160 °C typical)
• Adjustable output voltage (SiP21108)
• POK Error Flag (SiP21107)
• Operating temperature range: -40 °C to +125 °C
• Compliant with RoHS Directive 2002/95/EC

Application Scenarios

The SiP21101DR is widely used in various electronic devices including:
• Cellular phones, wireless handsets
• PDAs
• MP3 players
• Digital cameras
• Pagers
• Wireless modems
• Noise-sensitive electronic systems
It is particularly suitable for applications that require low power consumption and a quiet voltage source, such as RF applications.

Comparison

- Helps to extend battery life for portable electronics
- Low output noise for systems requiring a quiet voltage source
- Wide operating temperature range for versatile usage
- Built-in short circuit and thermal protection for enhanced safety
- Adjustable output voltage and POK Error Flag for customization and error detection
- Compliant with RoHS Directive for environmental friendliness

- None identified