4736G

Data Sheet FEATURES Input voltage: 4.5 V to 20 V Integrated MOSFET: 44 mΩ/11 mΩ Reference voltage: 0.6 V ± 1% Continuous output current: 6 A Programmable switching frequency: 200 kHz to 1.4 MHz Synchronizes to external clock: 200 kHz to 1.4 MHz 180° out of phase clock synchronization Precision enable and power good External compensation Internal soft start with external adjustable option Startup into a precharged output Supported by ADIsimPower design tool 20 V, 6 A, Synchronous Step-Down DC-to-DC Regulator ADP2386 TYPICAL APPLICATIONS CIRCUIT ADP2386 VIN CIN PVIN EN PGOOD SYNC RT RT CVREG VREG GND PGND FB COMP SS RC BST CBST SW RTOP L VOUT COUT RBOT 10211-001 CSS CC Figure 1. APPLICATIONS Communications infrastructure Networking and servers Industrial and instrumentation Healthcare and medical Intermediate power rail conversion DC-to-dc point-of-load applications 100 95 90 85 EFFICIENCY (%) 80 75 70 65 60 55 50 0 1 2 3 4 VOUT = 5.0V VOUT = 3.3V VOUT = 1.2V 5 6 10211-002 Free Datasheet http://www.Datasheet4U.com OUTPUT CURRENT (A) Figure 2. Efficiency vs. Output Current, VIN = 12 V, fSW = 300 kHz GENERAL DESCRIPTION The ADP2386 is a synchronous step-down, dc-to-dc regulator with an integrated 44 mΩ, high-side power MOSFET and an 11 mΩ, synchronous rectifier MOSFET to provide a high efficiency solution in a compact 4 mm × 4 mm LFCSP package. This device uses a peak current mode, constant frequency pulse-width modulation (PWM) control scheme for excellent stabilit...