characteristic

Input voltage range 2.9v to 5.0V

Fixed 5.0V forward output voltage

1% output voltage accuracy

Fixed 5.0V negative output voltage

1% output voltage accuracy

Output current up to 250mA in the range from V positive to V negative

Excellent line and load transient response

Operate in continuous conduction mode (CCM) to achieve noise free output voltage

The boost converter can operate in "downlink mode" (VIN is close to or higher than v-forward)

High converter efficiency

Short circuit protection

Thermal shutdown

3mm × 3mm 12 pin quad flat leadless (QFN) package

Scope of application

LCD offset

Active matrix OLED

Operational amplifier power supply

Normal ± 5V power supply

Description of tps65133

The tps65133 is designed to drive LCD displays that require a positive and negative power rail. It can also be used as a normal ± 5V power supply for operational amplifiers or other devices requiring similar positive and negative power supplies. The device integrates a boost converter and an inverse buck boost converter suitable for battery powered products.