GENERAL DESCRIPTION

The ADP5052 combines four high performance buck regulators and one 200 mA low dropout (LDO) regulator in a 48-lead LFCSP package that meets demanding performance and board space requirements. The device enables direct connection to high input voltages up to 15 V with no preregulators.

FEATURES

Wide input voltage range: 4.5 V to 15 V

±1.5 output accuracy over full temperature range

250 kHz to 1.4 MHz adjustable switching frequency

Adjustable/fixed output options via factory fuse

Power regulation

Channel 1 and Channel 2: programmable 1.2 A/2.5 A/4 A sync buck regulators with low-side FET driver

Channel 3 and Channel 4: 1.2 A sync buck regulators

Channel 5: 200 mA low dropout (LDO) regulator

Always alive 5.1 V LDO supply for tiny load demand

Single 8 A output (Channel 1 and Channel 2 operated in parallel)

Precision enable with 0.8 V accurate threshold

Active output discharge switch

FPWM or automatic PWM/PSM mode selection

Frequency synchronization input or output

Optional latch-off protection on OVP/OCP failure

Power-good flag on selected channels

UVLO, OCP, and TSD protection

48-lead, 7 mm × 7 mm LFCSP package

−40°C to +125°C junction temperature

APPLICATIONS

Small cell base stations

FPGA and processor applications

Security and surveillance

Medical applications