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