Toshiba TCR3UG Series Low-Dropout Regulators
Toshiba TCR3UG Series Extremely Low-Quiescent, Low-Dropout Regulators for Wearables and IoT applications offer a fast load transient and voltage regulation up to 300mA CMOS in an ultra-small package. The TCR3UG Series provides outstanding quiescent currents of <0.7uA in a small package size of 0.65mm x 0.65mm making it ideal for maximizing Li-ion battery life in wearable and IoT applications, saving cost and space.
When powering "always-on systems" or maintaining "standby mode", the low IQ current (0.38μA typical) can preserve the single-cell Li-ion battery life. Other features include Over-current protection, Thermal Shutdown function, and an Auto-discharge option. The TCR3UG delivers excellent performance without sacrificing PSRR (70dB) and transient response (<60mV).
Features
- Compact 0.65mm x 0.65mm LDO package
- Extremely low quiescent current, 0.34uA typ @ 1.2V output
- Fixed-output voltage, available between 0.8V and 5.0V
- Regulated voltage stays within ±60mV during transient load conditions
- 1% voltage accuracy
- 70dB PSRR @ 1kHz
- Maximum 327mV dropout @ 3.3V output
- Thermal shutdown if overheated
- (Optional) Automatically discharges output capacitor on shutdown
- Enable pin
- Inrush current reduction
- Over-current protection
Applications
- Voltage regulation up to 300mA
- Always-on subsystems
- Re-routing power around PMIC for “active standby” mode
- NFC power
- Cameras and CMOS image sensors
- Single-cell Li-ion batteries
- Wearable electronics
- IOT battery-powered modules
Reference Design
Application Diagram
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