EUP2512.pdf• 2.5V to 4.5V Input Supply Range
• 1.4MHz Current Mode Step Up Regulator
- External Programmable 4V~8V Output Voltage
- Maximum 250mA Output
- High Accuracy (+/- 1%)
- Built-In 18V, 0.5Ω N-MOSFET
- Built-In 18V, 0.6Ω P-MOSFET
Synchronous Rectifier
- Cycle-by-Cycle Current Limit
- More than 85% Efficiency at 150mA
- Good Low-Duty Factor Operation
• 1.4MHz Current Mode Inverting Regulator
- -6V to -1V
- Maximum 250mA Output
- High Accuracy (+/- 1%)
- Built-In 18V, 0.5Ω P-MOSFET
- Built-In 18V, 0.4Ω N-MOSFET
Synchronous Rectifier
- Cycle-by-Cycle Current Limit
- Up to 80% Efficiency at 150mA
• True Shutdown Mode for Dual Outputs
• Timer-Delayed Output Under-Voltage Shutdown for
Dual Outputs
• Over Temperature Protection
• 12 Pin 3mm× 3mm thin TDFN Package
• RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
• Step-up and inverter converters
• Operating input voltage range from
2.5 V to 4.5 V
• Synchronous rectification for both DC-DC
converters
• 150 mA maximum output current
• 4.6 V fixed positive output voltage
• Programmable negative voltage by S-wire from
- 2.3 V to - 5.9 V
• Typical efficiency: 85 %
• Pulse skipping mode in light load condition
(IO < 10 mA)
• 1.6 MHz PWM mode control switching
frequency (IO > 10 mA)
• Enable pin for shutdown mode
• Low quiescent current: < 1 µA in shutdown
mode
• Soft-start with inrush current protection
• Over temperature protection
• Temperature range: -40 °C to 85 °C
• True shutdown mode
• Fast outputs discharge circuit after shutdown
• Package: DFN 12 leads - (3 x 3 mm)
