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LT8292AFE: 60V, Synchronous 4-Switch Buck-Boost Controller with Extended Spectrum, TSSOP-28

Model: LT8292AFE

Package: TSSOP-28

Type: Buck-Boost Controller

Overview:

The LT8292AFE is a synchronous 4-switch buck-boost DC/DC controller that regulates the output voltage, input or output current based on an input voltage that is above, below or equal to the output voltage. The proprietary peak-buck/peak-boost current mode control scheme supports adjustable and synchronisable fixed frequency operation from 150kHz to 650kHz or internal ±15% delta spread spectrum operation for reduced EMI.

With a 3V to 60V input voltage range and 1V to 60V output voltage capability and support for seamless low noise transitions between operating regions, the LT8292AFE is ideal for regulator, battery and supercapacitor charger applications in automotive, industrial, telecom and battery powered systems.

LT8292AFE - Product Features:

4-switch chip single inductor architecture enables VIN greater than, less than or equal to VOUT

Up to 98% efficiency

Proprietary peak buck/peak boost current mode

Wide VIN range: 3V (requires EXTVCC ≥ 4.5V) to 60V

±1.5% output voltage accuracy: 1V ≤ VOUT ≤ 60V

±4% accuracy of input or output current with monitor

Spread Spectrum Frequency (SSFM) for low EMI

Integrated cathode load diode

Adjustable and synchronisable: 150kHz to 650kHz

VOUT disconnected from VIN at shutdown

Available with bare pads and 28-pin TSSOP (4mm × 5mm)

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