ADP5052

Data Sheet 5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO Regulator ADP5052 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 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. Channel 1 and Channel 2 integrate high-side power MOSFETs and low-side MOSFET drivers. Exte...