Datasheet LTC2950-1, LTC2950-2 (Linear Technology) - 4

LTC2950-1/LTC2950-2
Typical perForMance characTerisTics Internal Default Turn On Supply Current vs Temperature Supply Current vs Supply Voltage Debounce Time (tDB, ON) vs VIN
10 10 50 T V A = 25°C TA = 25°C IN = 26.4V 8 8 40 VIN = 3.3V 6 6 30 (µA) (ms) V (µA) IN = 2.7V I VIN 4 I VIN 4 t DB, ON 20 2 2 10 0 0 0 –50 –25 0 25 50 75 100 0 5 10 15 20 25 30 0 5 10 15 20 25 30 TEMPERATURE (°C) VIN (V) VIN (V) 2950 G01 2950 G02 2950 G03
Turn On Debounce Time (tDB, ON ONT Pull-Down Current Internal Default Turn Off + tONT) vs ONT External Capacitor vs Temperature Debounce Time (tDB, OFF) vs VIN
10000 –3.4 50 TA = 25°C TA = 25°C VIN = 3.3V 40 –3.2 1000 (ms) VIN = 26.4V 30 ONT (ms) + t –3.0 VIN = 2.7V t DB, OFF 20 t DB, ON 100 –2.8 ONT PULL-DOWN CURRENT (µA) 10 10 –2.6 0 1 10 100 1000 –50 –25 0 25 50 75 100 0 5 10 15 20 25 30 ONT EXTERNAL CAPACITOR (nF) TEMPERATURE (°C) VIN (V) 2950 G04 2950 G05 2950 G06
Turn Off Debounce Time (tDB, OFF OFFT Pull-Down Current + tOFFT) vs OFFT External Capacitor vs Temperature PB Current vs PB Voltage
10000 –3.4 –250 TA = 25°C TA = 25°C VIN = 3.3V VIN = 3.3V –200 –3.2 1000 (ms) T VIN = 26.4V –150 OFF + t –3.0 VIN = 2.7V –100 t DB, OFF 100 PB CURRENT (µA) T PULL-DOWN CURRENT (µA) –2.8 –50 OFF 10 –2.6 0 1 10 100 1000 –50 –25 0 25 50 75 100 –10 –5 0 5 10 15 20 25 30 OFFT EXTERNAL CAPACITOR (nF) TEMPERATURE (°C) PB VOLTAGE (V) 2950 G07 2950 G08 2950 G09 295012fd 4 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Applications Information Typical Applications Package Description Revision History Typical Application Related Parts