Datasheet LT1074, LT1076 (Analog Devices) - 6

LT1074/LT1076
W U TYPICAL PERFOR A CE CHARACTERISTICS VC Pin Characteristics VC Pin Characteristics Feedback Pin Characteristics
200 2.0 500 400 150 1.5 300 100 V ADJUSTED FOR FB 1.0 V FB ≥ 2.5V I = 0 A C T V = 2V C 200 START OF 50 0.5 µA) FREQUENCY SHIFTING 100 0 0 0 –100 CURRENT (mA) –50 SLOPE ≈ 400kΩ CURRENT (mA) –0.5 CURRENT ( –200 –100 –1.0 V ≤ 2V FB –300 –150 –1.5 –400 –200 –2.0 –500 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 10 VOLTAGE (V) VOLTAGE (V) VOLTAGE (V) LT1074•TPC01 LT1074•TPC02 LT1074•TPC03
Shutdown Pin Characteristics Shutdown Pin Characteristics ILIM Pin Characteristics
40 0 100 T = 25 j °C 30 –5 50 CURRENT FLOWS OUT OF SHUTDOWN PIN 0 20 –10 T = 25°C j –50 VIN = 50V µA) 10 µA) –15 SHUTDOWN µA) –100 THIS POINT MOVES THRESHOLD 0 IN WITH V –20 –150 –200 CURRENT ( –10 CURRENT ( –25 CURRENT ( –250 –20 –30 DETAILS OF THIS –300 –30 AREA SHOWN IN –35 OTHER GRAPH –350 –40 –40 –400 0 10 20 30 40 50 60 70 80 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 –2 –1 0 1 2 3 4 5 6 7 8 VOLTAGE (V) VOLTAGE (V) VOLTAGE (V) LT1074•TPC04 LT1074•PC05 LT1074•TPC06
Supply Current
20 18 16 14 DEVICE NOT SWITCHING 12 V C = 1V 10 8 INPUT CURRENT (mA) 6 4 2 0 0 10 20 30 40 50 60 INPUT VOLTAGE (V) LT1074•TPC11 sn1074 1074fds 6