depending on board layout (S) 1172I Operating Junction Temperature Range BOTTOM VIEW VSW VC ORDER PART LT1170/71/72M............................... –55°C to 150°C NUMBER 1 2 CASE LT1170/71/72HVC, 4 3 IS GND LT1170MK LT1170/71/72C (Oper.).................... 0°C to 100°C VIN FB LT1170CK LT1170/71/72HVC, K PACKAGE