PAM2307 3A Low Noise Step-Down DC-DC Converter Features n n n n n n n n n n n n n Applications n n n n n n Output Current: Up to 3A Output Voltage: 0.6V to V IN Input Voltage: 2.7 to 5.5V Efficiency up to 95% 42 μA (Typ) No Load Quiescent Current Shutdown Current: <1μA 100% Duty Cycle Operation 1.5MHz Switching Frequency Internal Soft Start No external Compensation Required Current Limit Protection Thermal Shutdown QFN3x3 16-Pin and SOP-8(EP) Package 5V or 3.3V Point of Load Conversion Telecom/Networking Equipment Set Top Boxes Storage Equipment Video Cards DDR Power Supply Ordering Information Part Numb er Package Typ e PAM 2307AJEADJR QFN3x3- 16 PAM 2307BEC ADJR S OP-8(EP) Pin Configuration Top View Top View SOP-8(EPD) QFN 3X3 16L SW 1 16 15 14 13 PGND 1 PGND PGND FB 2 12 P2307V XXXYW 4 6 7 PGND 2 PVIN 10 PVIN 9 VIN 11 3 5 PVIN 8 PVIN 7 VIN 6 TEST FB 3 8 GND 4 5 EN L1 V IN=5V PV IN SW 2 1 4.7 uH VIN PAM2307 C1 10u F*2 EN V OUT=3.3V C3 R1 100pF 540 k FB TEST C2 1 0uF*2 R2 120 k R1 ö æ VO = 0.6 ´ ç 1+ ÷ è R2 ø For:Natertech