LT8204RFE#PBF

LT8204RFE#PBF is a 40V full-bridge or dual half-bridge controller. It can be configured as either a four-switch full bridge controller or dual two-switch half-bridge controllers to regulate either the output voltage or the output current. It provides two selectable PWM control methods (i.e., peak current mode control and voltage mode control) to ease loop frequency compensation for applications with different load types (inductive, resistive, or capacitive loads). It features dual bidirectional rail-to-rail precision (200μV VOS) load current monitors, output voltage monitors, and dual on-chip 16-bit monotonic digital to-analogue converters (DACs). Together with the serial peripheral interface (SPI), the output current or voltage can be programmed precisely on-the-fly. It is used in applications such as solenoid and inductive load regulation, active or semi-active damping control, thermoelectric cooler (TEC) control, vibration control.

• Dual on-chip 16bit monotonic DACs, differential nonlinearity is ±0.5LSB typical
• 4-wire SPI with error detection and correction, integral nonlinearity is ±20LSB typical
• Quad N-channel MOSFET 5.3V gate drivers, VIN shutdown current is 1µA typical
• Operating voltage range from 5.5V to 40V
• Configurable output current or voltage regulation
• Configurable PWM control methods for loop stability
• 100KHz to 1MHz fixed switching frequency with SYNC and spread spectrum
• Operating temperature range from -40°C to 150°C
• Package style is 38-lead plastic TSSOP

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