Datasheet LTC2951-1, LTC2951-2 (Linear Technology) - 4
| 制造商 | Linear Technology |
| 描述 | Push Button On/Off Controller |
| 页数 / 页 | 20 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS. Turn-On Debounce Time. Supply … |
| 修订版 | B |
| 文件格式/大小 | PDF / 1.8 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Turn-On Debounce Time. Supply Current vs Temperature. Supply Current vs Supply Voltage
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LTC2951-1/LTC2951-2
TYPICAL PERFORMANCE CHARACTERISTICS Turn-On Debounce Time Supply Current vs Temperature Supply Current vs Supply Voltage (tDB, ON) vs VIN
10 10 200 T V A = 25°C TA = 25°C IN = 26.4V 8 8 160 VIN = 3.3V 6 6 120 (µA) (ms) V (µA) IN = 2.7V I VIN I VIN 4 4 t DB, ON 80 2 2 40 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) 2951 G01 2951 G02 2951 G03
Internal Default Turn-Off Turn-Off Debounce Time (tDB, OFF OFFT Pull-Down Current Debounce Time (tDB, OFF) vs VIN + tOFFT) vs OFFT External Capacitor vs Temperature
50 10000 –3.4 TA = 25°C TA = 25°C VIN = 3.3V 40 –3.2 1000 30 (ms) VIN = 26.4V (ms) OFFT + t –3.0 t DB, OFF 20 VIN = 2.7V t DB, OFF 100 –2.8 10 OFFT PULL-DOWN CURRENT (µA) 0 10 –2.6 0 5 10 15 20 25 30 1 10 100 1000 –50 –25 0 25 50 75 100 VIN (V) OFFT EXTERNAL CAPACITOR (nF) TEMPERATURE (°C) 2951 G04 2951 G05 2951 G06
Internal Default KILL Turn-Off KILL Turn-Off Delay KILLT Pull-Down Current Delay (tKILL, OFF DELAY) vs VIN vs KILLT External Capacitor vs Temperature
200 10000 –3.4 TA = 25°C (ms) 160 –3.2 1000 (ms) 120 VIN = 26.4V –3.0 , OFF DELAY, ADDITIONAL 80 V KILL IN = 2.7V 100 t KILL, OFF DELAY + t –2.8 40 KILLT PULL-DOWN CURRENT (µA) , OFF DELAY 0 t KILL 10 –2.6 0 5 10 15 20 25 1 10 100 1000 –50 –25 0 25 50 75 100 VIN (V) KILLT EXTERNAL CAPACITOR (nF) TEMPERATURE (°C) 2951 G07 2951 G08 2951 G09 295112fb 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
TYPICAL PERFORMANCE CHARACTERISTICS Turn-On Debounce Time Supply Current vs Temperature Supply Current vs Supply Voltage (tDB, ON) vs VIN
10 10 200 T V A = 25°C TA = 25°C IN = 26.4V 8 8 160 VIN = 3.3V 6 6 120 (µA) (ms) V (µA) IN = 2.7V I VIN I VIN 4 4 t DB, ON 80 2 2 40 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) 2951 G01 2951 G02 2951 G03
Internal Default Turn-Off Turn-Off Debounce Time (tDB, OFF OFFT Pull-Down Current Debounce Time (tDB, OFF) vs VIN + tOFFT) vs OFFT External Capacitor vs Temperature
50 10000 –3.4 TA = 25°C TA = 25°C VIN = 3.3V 40 –3.2 1000 30 (ms) VIN = 26.4V (ms) OFFT + t –3.0 t DB, OFF 20 VIN = 2.7V t DB, OFF 100 –2.8 10 OFFT PULL-DOWN CURRENT (µA) 0 10 –2.6 0 5 10 15 20 25 30 1 10 100 1000 –50 –25 0 25 50 75 100 VIN (V) OFFT EXTERNAL CAPACITOR (nF) TEMPERATURE (°C) 2951 G04 2951 G05 2951 G06
Internal Default KILL Turn-Off KILL Turn-Off Delay KILLT Pull-Down Current Delay (tKILL, OFF DELAY) vs VIN vs KILLT External Capacitor vs Temperature
200 10000 –3.4 TA = 25°C (ms) 160 –3.2 1000 (ms) 120 VIN = 26.4V –3.0 , OFF DELAY, ADDITIONAL 80 V KILL IN = 2.7V 100 t KILL, OFF DELAY + t –2.8 40 KILLT PULL-DOWN CURRENT (µA) , OFF DELAY 0 t KILL 10 –2.6 0 5 10 15 20 25 1 10 100 1000 –50 –25 0 25 50 75 100 VIN (V) KILLT EXTERNAL CAPACITOR (nF) TEMPERATURE (°C) 2951 G07 2951 G08 2951 G09 295112fb 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