FEATURES
Input voltage: 4.5 V to 18 V ±1.0% output accuracy Integrated MOSFET: 110 mΩ/60 mΩ typical Continuous output current: 1 A/1 A Power fail comparator generates warning Power-on reset with programmable delay timer Adjustable voltage monitor for power-down (Channel 2) Watchdog refresh input Dual phase with 180° out-of-phase operation Fixed switching frequency: 300 kHz Internal compensation and soft start Stable with low ESR output ceramic capacitors Precision enable input Power feedback during power-off UVLO, OCP, OVP, and thermal shutdown protection VIN CIN1 RPFI_TOP PFI RPFI_BOT C1BST VOUT1 COUT1 L1 RTOP1 RBOT1 SW1 PGND1 FB1 GND VREG SW2 PGND2 FB2 TIMER CTIMER RBOT2 11036-001 ADP2311 TYPICAL APPLICATION CIRCUIT PFO POR WDI EN PVIN1 RSTO PVIN2 RVM2_TOP VM2 RVM2_BOT BST1 CIN2 VIN ADP2311 BST2 C2BST L2 RTOP2 VOUT2 COUT2 CVREG Figure 1. 100 95 90 VOUT = 3.3V VOUT = 5V APPLICATIONS
Industrial and instrumentation Healthcare and medical DC-to-DC point of load applications EFFICIENCY (%) 85 80 75 70 65 60 55 0 0.2 0.4 0.6 0.8 1.0 11036-002 Free Datasheet 50 OUTPUT CURRENT (A) Figure 2.
