TPS60250 Overview
Key Specifications
Package: QFN
Pins: 16
Max Voltage (typical range): 6 V
Min Voltage (typical range): 3 V
Description
The TPS60250/2 are high efficiency, constant frequency charge pump DC/DC converters that use dual mode 1× and 1.5× conversions to maximize efficiency over the input voltage range. The devices drive up to five white LEDs for the main display and up to two white LEDs for the sub display with regulated constant current for uniform intensity.
Key Features
- 3.0 V to 6.0 V Input Voltage Range
- ×1 and ×1.5 Charge Pump
- 2% Current Matching for Sub LEDs at Light Load Condition (Each 100µA)
- 750 kHz Charge Pump Frequency
- Continuous 230mA Maximum Output Current
- Auto Switching Between ×1 and ×1.5 Mode for Maximum Efficiency
- Built-in Soft Start and Current Limit
- Open Lamp Detection
- 16-Pin 3mm x 3mm QFN
- TPS60250 (I2C Slave Address