PA22PINOUT AND DESCRIPTION TABLEFigure 3: External Connections123456789101112131415-IN+INCC1CC2NCNCOUT-VS-VSILIMILIM TMPL TMPH +VS+VSPin NumberNameDescription 1 -IN Inverting input 2 +IN Non-inverting input 3 C Compensation capacitor connection. Select value based on Phase Compensation. C1 See applicable section. 4 C Compensation capacitor connection. Select value based on Phase Compensation. C2 See applicable section. 7 OUT The output voltage sense, no current driving capability; connect this pin to the load and the feedback resistors. 8, 9 -VS The negative supply rail. Pins 8 and 9 are internal y connected. The output with current driving capability. Connect to the current limit resistor. Out- 10, 11 ILIM put current flows into/out of these pins through RLIM. The output pin and the load are connected to the other side of RLIM. Pins 10 and 11 are internal y connected. Cathode side of two paral el-connected temperature-sensing transistors, mounted 12 TMPL on top of one of the sinking and one of the sourcing output elements. Connect to LTC2997 D- pin for PTAT voltage. Anode side of two paral el-connected temperature-sensing transistors, mounted on 13 TMPH top of one of the sinking and one of the sourcing output elements. Connect to LTC2997 D+ pin for PTAT voltage. 14, 15 +VS The positive supply rail. Pins 14 and 15 are internal y connected. 5, 6 NC No Connection PA22 REV B 3 Document Outline Features Applications Description Figure 1: Equivalent Schematic Typical Connection Figure 2: Typical Connection Pinout and Description Table Figure 3: External Connections Specifications Absolute Maximum Ratings Input Gain Output Power Supply Thermal Figure 14: Temp Sense vs Time General Safe operating area (SOA) Figure 15: Safe Operating Area (SOA) typical application Figure 16: Typical Application Schematic current limit overvoltage protection Figure 17: Overvoltage Protection power supply bypassing phase Compensation Temperature Sense Package Options Package Outline (Style LL)