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LTC3376IY: Multi-output Power IC — 20V, 4-channel buck DC/DC regulator, BGA-64

Model: LTC3376IY

Package: BGA-64

Type: Buck regulator

Application: Telecommunications/industrial, 12V distributed power systems

Overview:  

The LTC3376IY is a highly flexible multi-output power IC. The device incorporates four synchronous buck converters (configured with eight shared 1.5A power stages) powered by independent 3V to 20V inputs. The DC/DC configuration is specified via the pin-selectable CFG0 to CFG3 pins to one of 15 power configurations. The LTC3376 integrates ceramic capacitors within the package (for the BST pin), thereby saving PCB space. Common buck switching frequencies can be set using an external resistor, synchronised to an external oscillator, or set to the default internal 2MHz clock.

LTC3376IY Product Features:

Wide VIN range: 3V to 20V

Wide VOUT range: 0.4V to 0.83 • VIN

8× 1.5A buck power stages, configurable as 1 to 4 output channels

15 unique pin-selectable output configurations (1.5A to 12A per channel)

Internal boost capacitor reduces PCB space

No-load IQ of 27µA for 1 buck; 42µA for all buck

1% VOUT accuracy on all channels

Peak current mode control (Burst Mode® operation/forced continuous)

Precise RUN input with a separate PGOOD output for power-up sequencing control

1MHz to 3MHz frequency (RT programmable, PLL synchronised, or internal 2MHz oscillator)

TEMP pin output indicates die temperature

Output current monitor

Differential output detection

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