Datasheet LTC4362-1, LTC4362-2 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | 1.2A Overvoltage/Overcurrent Protector |
| Páginas / Página | 14 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS. Specifications are at TA = 25°C, VIN … |
| Revisión | B |
| Formato / tamaño de archivo | PDF / 649 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. Specifications are at TA = 25°C, VIN = 5V, VON = 0V unless otherwise noted
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LTC4362-1/LTC4362-2
TYPICAL PERFORMANCE CHARACTERISTICS Specifications are at TA = 25°C, VIN = 5V, VON = 0V unless otherwise noted. Input Supply Current Overvoltage Threshold vs Input Voltage vs Temperature PWRGD Voltage vs PWRGD Current
1000 5.84 500 VON = 0V 400 100 5.82 VON = 2.5V (mV) 300 (V) (µA) 10 5.80 (OL) I IN V IN(0V) 200 V PWRGD 1 5.78 100 0.1 5.76 0 1 10 100 –50 –25 0 25 50 75 100 0 1 2 3 4 5 VIN (V) TEMPERATURE (°C) IPWRGD (mA) 436212 G01 436212 G02 436212 G03
Internal MOSFET On Resistance Overcurrent Threshold vs Input vs Temperature Internal RSENSE vs Temperature Voltage
60 40 1.60 50 35 1.55 (mΩ) VIN = 3V VIN = 5V (A) (mΩ) 40 SENSE 30 1.50 R ON I TRIP 30 INTERNAL R 25 1.45 20 20 1.40 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 2.5 3 3.5 4 4.5 5 5.5 6 TEMPERATURE (°C) TEMPERATURE (°C) VIN (V) 436212 G04 436212 G05 436212 G06
Overcurrent Threshold Overvoltage Turn-Off Delay Overcurrent Turn-Off Delay vs Temperature vs Temperature vs Temperature
1.60 1.0 14 VIN = STEP 5V TO 6.5V IOUT = STEP 0.5A TO 3A 0.8 1.55 12 0.6 (A) (µs) (µs) 1.50 10 I TRIP t OFF(OV) 0.4 t OFF(OC) 1.45 8 0.2 1.40 0 6 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 436212 G07 436212 G08 436212 G09 Rev. B 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings order information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Specifications are at TA = 25°C, VIN = 5V, VON = 0V unless otherwise noted. Input Supply Current Overvoltage Threshold vs Input Voltage vs Temperature PWRGD Voltage vs PWRGD Current
1000 5.84 500 VON = 0V 400 100 5.82 VON = 2.5V (mV) 300 (V) (µA) 10 5.80 (OL) I IN V IN(0V) 200 V PWRGD 1 5.78 100 0.1 5.76 0 1 10 100 –50 –25 0 25 50 75 100 0 1 2 3 4 5 VIN (V) TEMPERATURE (°C) IPWRGD (mA) 436212 G01 436212 G02 436212 G03
Internal MOSFET On Resistance Overcurrent Threshold vs Input vs Temperature Internal RSENSE vs Temperature Voltage
60 40 1.60 50 35 1.55 (mΩ) VIN = 3V VIN = 5V (A) (mΩ) 40 SENSE 30 1.50 R ON I TRIP 30 INTERNAL R 25 1.45 20 20 1.40 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 2.5 3 3.5 4 4.5 5 5.5 6 TEMPERATURE (°C) TEMPERATURE (°C) VIN (V) 436212 G04 436212 G05 436212 G06
Overcurrent Threshold Overvoltage Turn-Off Delay Overcurrent Turn-Off Delay vs Temperature vs Temperature vs Temperature
1.60 1.0 14 VIN = STEP 5V TO 6.5V IOUT = STEP 0.5A TO 3A 0.8 1.55 12 0.6 (A) (µs) (µs) 1.50 10 I TRIP t OFF(OV) 0.4 t OFF(OC) 1.45 8 0.2 1.40 0 6 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 436212 G07 436212 G08 436212 G09 Rev. B 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings order information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts