Datasheet LT1970 (Analog Devices) - 7

LT1970
Typical perForMance characTerisTics Low Level Current Sense Logic Output Level Maximum Output Current Transfer Curve vs Sink Current (Output Low) vs Temperature
25 1.0 V+ = 15V 1600 V+ = 15V 20 0.9 V– = –15V 1400 V– = –15V 15 0.8 SOURCING 1200 10 CURRENT 0.7 SOURCE 5 0.6 1000 (mV) 25°C 0 0.5 800 125°C V SENSE –5 0.4 600 SINK –10 SINKING 0.3 CURRENT –55°C OUTPUT CURRENT (mA) 400 –15 LOGIC OUTPUT VOLTAGE (V) 0.2 –20 0.1 200 –25 0 0 0 25 50 75 100 125 150 175 200 225 250 0.001 0.01 0.1 1 10 100 –75 –50 –25 0 25 50 75 100 125 VCSNK = VCSRC (mV) SINK CURRENT (mA) TEMPERATURE (°C) 1970 G22 1970 G23 1970 G24
Output Stage Quiescent Current Safe Operating Area vs Supply Voltage
1200 10 IOUT AT 10% DUTY CYCLE 8 + 1000 IV 125°C 6 25°C 800 4 –55°C 2 600 0 – PEAK (mA) IV –55°C –2 I OUT 400 –4 25°C 200 OUTPUT STAGE CURRENT (mA) –6 125°C –8 0 –10 0 5 10 15 20 25 30 35 40 0 2 4 6 8 10 12 14 16 18 SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (±V) 1970 G25 1970 G26
Control Stage Quiescent Current Supply Current vs Supply Voltage vs Supply Voltage in Shutdown
5 800 ICC VENABLE = 0V 4 125°C 85°C 700 + (µA) 3 25°C V –55°C + I 600 25°C 2 CC –55°C 1 500 0 400 IEE –1 –55°C 300 –2 SUPPLY CURRENT (mA) 25°C 200 –3 125°C –4 TOTAL SUPPLY CURRENT, I 100 –5 0 0 2 4 6 8 10 12 14 16 18 0 2 4 6 8 10 12 14 16 18 SUPPLY VOLTAGE (±V) SUPPLY VOLTAGE (V) 1970 G27 1970 G28 1970fe For more information www.linear.com/LT1970 7 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Related Parts