ROHM Semiconductor BD83850GWL Regulator & Charge Pump Inverter

ROHM Semiconductor BD83850GWL Regulator and Charge Pump Inverter is a Boost-switching Regulator and Charge Pump Inverter for small TFT-LCD displays. The device has a wide input voltage range of 2.5V to 4.5V, which is suitable for portable applications. Its small package design is also ideal for miniaturizing the power supply.

Features

Wide input voltage range of 2.5V to 4.5V
High-frequency operation
Output discharge independent ON/OFF signal (STBYP, STBYN)
Circuit protection
Over current protection (OCP)
Short current protection (SCP)
Under voltage lockout (UVLO)
Thermal shutdown (TSD)

Key specifications
- Input voltage range: 2.5V to 4.5V
- Output boost voltage: 5.0V (typ)
- Output inverted voltage: -5.0V (typ)
- Maximum current: 50mA (max)
- Operating frequency: 1.0MHz (typ)
- Efficiency: >85% (typ)
- Output voltage accuracy: ±2% (typ)
- Standby current: 1µA (max)