ADP2381
FEATURES
Input voltage: 4.5 V to 20 V Integrated 44 mΩ high-side MOSFET 0.6 V ± 1% reference voltage over temperature Continuous output current: 6 A Programmable switching frequency: 250 k Hz to 1.4 MHz Synchronizes to external clock: 250 k Hz to 1.4 MHz 180° out-of-phase synchronization Programmable UVLO Power-good output External pensation Internal soft start with external adjustable option Startup into a precharged output Supported by ADIsim Power design tool
20 V, 6 A Synchronous Step-Down Regulator with Low-Side Driver ADP2381
TYPICAL APPLICATIONS CIRCUIT
VIN CIN 1 2 3 4 5 ROSC 6 7 CSS 8 PVIN PVIN UVLO BST SW 16 15 14 13 12 11 10 9 RBOT CC_EA RC_EA
10209-001
CBST
VOUT COUT
SW LD VREG PGND GND FB
FET CVREG
PGOOD RT SYNC EN/SS P
RTOP
CCP_EA
APPLICATIONS munication infrastructure Networking and servers Industrial and instrumentation Healthcare and medical Intermediate power rail conversion DC-to-dc point of load application
100 95 90 85
EFFICIENCY (%)
Figure...
