Catalog
2A,11-uA quiescent current buck-boost converter
Key Features
• Three pin-to-pin device options: TPS63805, TPS63806, and TPS63807 with specific application focusInput voltage range: 1.3 V to 5.5 VDevice input voltage > 1.8 V for start-upOutput voltage range: 1.8 V to 5.2 V (adjustable)High efficiency over the entire load rangePower save mode and mode selection for forced PWM-modePeak current buck-boost mode architectureDefined transition points between buck, buck-boost, and boost operation modesForward and reverse current operationStart-up into pre-biased outputsSafety and robust operation featuresIntegrated soft startOvertemperature- and overvoltage-protectionTrue shutdown function with load disconnectForward and backward current limitTPS63805Optimized for smallest solution size of 18.5 mm2(works with a 22-µF minimum output capacitor)2-A output current for VI≥ 2.3 V, VO= 3.3 V11-µA operating quiescent currentTPS63806Optimized for best load step response (180-mV load-step response at a 2 A current step)Up to 2.5-A transient output current13-µA operating quiescent currentTPS63807Optimized for smallest solution size of 18.5 mm2(works with a 22-µF minimum output capacitor)2-A output current for VI≥ 2.3 V, VO= 3.3 V11-µA operating quiescent currentOutput discharge feature when EN is low480-µs Trampfor small inrush current during start-upThree pin-to-pin device options: TPS63805, TPS63806, and TPS63807 with specific application focusInput voltage range: 1.3 V to 5.5 VDevice input voltage > 1.8 V for start-upOutput voltage range: 1.8 V to 5.2 V (adjustable)High efficiency over the entire load rangePower save mode and mode selection for forced PWM-modePeak current buck-boost mode architectureDefined transition points between buck, buck-boost, and boost operation modesForward and reverse current operationStart-up into pre-biased outputsSafety and robust operation featuresIntegrated soft startOvertemperature- and overvoltage-protectionTrue shutdown function with load disconnectForward and backward current limitTPS63805Optimized for smallest solution size of 18.5 mm2(works with a 22-µF minimum output capacitor)2-A output current for VI≥ 2.3 V, VO= 3.3 V11-µA operating quiescent currentTPS63806Optimized for best load step response (180-mV load-step response at a 2 A current step)Up to 2.5-A transient output current13-µA operating quiescent currentTPS63807Optimized for smallest solution size of 18.5 mm2(works with a 22-µF minimum output capacitor)2-A output current for VI≥ 2.3 V, VO= 3.3 V11-µA operating quiescent currentOutput discharge feature when EN is low480-µs Trampfor small inrush current during start-up
Description
AI
The TPS63805, TPS63806, and TPS63807 are high efficiency, high output current buck-boost converters. Depending on the input voltage, they automatically operate in boost, buck, or in a novel 4-cycle buck-boost mode when the input voltage is approximately equal to the output voltage.
The TPS63805, TPS63806, and TPS63807 are high efficiency, high output current buck-boost converters. Depending on the input voltage, they automatically operate in boost, buck, or in a novel 4-cycle buck-boost mode when the input voltage is approximately equal to the output voltage.
