MC34167, MC33167 Inverting Switching Regulators - Step-Up/Down 5.0 A The MC34167, MC33167 series are high performance fixed frequency power switching regulators that contain the primary functions required for dc to dc converters. This series was MC34167, MC33167 MAXIMUM RATINGS (Note 1 and 2) Rating Symbol Value Unit Power Supply Input Voltage V 40 V CC Switch Output Voltage Range V 2.0 to + V V O(switch) in Voltage Feedback and Compensation Input Voltage Range V V 1.0 to + 7.0 V FB, Comp Power Dissipation Case 314A, 314B and 314D (T = +25C) P Internally Limited W A D Thermal Resistance, JunctiontoAmbient 65 C/W JA Thermal Resistance, JunctiontoCase 5.0 C/W JC 2 Case 936A (D PAK) (T = +25C) P Internally Limited W A D Thermal Resistance, JunctiontoAmbient 70 C/W JA Thermal Resistance, JunctiontoCase 5.0 C/W JC Operating Junction Temperature T +150 C J Operating Ambient Temperature (Note 3) T C A MC34167 0 to + 70 MC33167 40 to + 85 Storage Temperature Range T 65 to +150 C stg Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. 1. Maximum package power dissipation limits must be observed to prevent thermal shutdown activation. 2. This device series contains ESD protection and exceeds the following tests: Human Body Model 2000 V per MILSTD883, Method 3015. Machine Model Method 200 V. 3. T =0C for MC34167 T = +70C for MC34167 low high = 40C for MC33167 = + 85C for MC33167