CAT4134HV2-T2 ON Semiconductor

CAT4134 500 mA Dual Channel Movie/Flash LED Driver Description The CAT4134 is a high power, dual channel boost converter which provides two matched LED currents. Output current levels are CAT4134 D L VIN VOUT 22 H C1 3 V to 4.2 V C2 10 F 10 F SW VIN R1 EN 1 M CAT4134 OFF FLASH LED1 ON RFLASH LED2 RSET OVP RFLASH 18 k RSET R2 20 k = Sumida CDRH3D16220 100 k L AGND PGND D = Central CMDSH054 (500 mA) C2 = 10 F (rated 16 V) Figure 1. Typical Application Circuit Table 1. ABSOLUTE MAXIMUM RATINGS Parameters Ratings Units SW voltage 20 V VIN voltage 8 V EN, FLASH, RSET, RFLASH voltage VIN + 0.6 V V LED1, LED2 voltage 8 V Output Current per Channel 300 mA Storage Temperature Range 65 to +160 C Junction Temperature Range 40 to +125 C Lead Temperature 300 C ESD Rating Human Body Model (HBM) 2,000 V Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Table 2. RECOMMENDED OPERATING CONDITIONS Parameters Range Units VIN 2.8 to 4.2 V Ambient Temperature Range 40 to +85 C Flash mode current per channel 25 to 250 mA Movie mode current per channel 5 to 50 mA