Datasheet LT3651-4.1, LT3651-4.2 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | Monolithic 4A High Voltage 1 Cell Li-Ion Battery Charger |
| Seiten / Seite | 22 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. C/10 Threshold (VSENSE –VBAT). Top … |
| Dateiformat / Größe | PDF / 285 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. C/10 Threshold (VSENSE –VBAT). Top Side Switch VON. vs Temperature
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LT3651-4.1/LT3651-4.2
TYPICAL PERFORMANCE CHARACTERISTICS C/10 Threshold (VSENSE –VBAT) Top Side Switch VON vs Temperature vs Temperature Bottom Side VON vs Temperature
11 700 –50 ISW = 4A ISW = 4A 650 10 –100 600 (mV) (mV) BAT 9 SW 550 (mV) –150 – V – V V SW V IN V SENSE 500 8 –200 450 7 400 –250 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (˚C) TEMPERATURE (°C) 365142 G10 365142 G11 365142 G12
Switch Drive (IBST/ISW) Boost Switch Drive vs Temperature Boost Drive vs Boost Voltage vs Switch Current
35 60 70 ISW = 4A ISW = 4A 60 50 30 50 /A) 40 (mA 25 (mA/A) (mA/A) 40 /I SW /I SW /I SW 30 I BST I BST I BST 30 20 20 20 15 10 10 –50 –25 0 25 50 75 100 125 2.5 3.5 4.5 5.5 6.5 7.5 0 1 2 3 4 5 TEMPERATURE (°C) VBST – VIN (V) ISW (A) 365142 G13 365142 G14 365142 G15
Oscillator Frequency Timer Resistor (RT) vs Temperature vs Period and Frequency
1.0 400 RT = 54.9k 350 0.5 300 250 0 (kΩ) R T 200 150 –0.5 FREQUENCY DEVIATION (%) 100 –1.0 50 –50 –25 0 25 50 75 100 125 1 2 3 4 5 6 TEMPERATURE (°C) 1000 500 333 250 200 167 PERIOD (µs) 365142 G16 FREQUENCY (kHz) 365142 G17 365142ff 6 For more information www.linear.com/LT3651-4.1 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS C/10 Threshold (VSENSE –VBAT) Top Side Switch VON vs Temperature vs Temperature Bottom Side VON vs Temperature
11 700 –50 ISW = 4A ISW = 4A 650 10 –100 600 (mV) (mV) BAT 9 SW 550 (mV) –150 – V – V V SW V IN V SENSE 500 8 –200 450 7 400 –250 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (˚C) TEMPERATURE (°C) 365142 G10 365142 G11 365142 G12
Switch Drive (IBST/ISW) Boost Switch Drive vs Temperature Boost Drive vs Boost Voltage vs Switch Current
35 60 70 ISW = 4A ISW = 4A 60 50 30 50 /A) 40 (mA 25 (mA/A) (mA/A) 40 /I SW /I SW /I SW 30 I BST I BST I BST 30 20 20 20 15 10 10 –50 –25 0 25 50 75 100 125 2.5 3.5 4.5 5.5 6.5 7.5 0 1 2 3 4 5 TEMPERATURE (°C) VBST – VIN (V) ISW (A) 365142 G13 365142 G14 365142 G15
Oscillator Frequency Timer Resistor (RT) vs Temperature vs Period and Frequency
1.0 400 RT = 54.9k 350 0.5 300 250 0 (kΩ) R T 200 150 –0.5 FREQUENCY DEVIATION (%) 100 –1.0 50 –50 –25 0 25 50 75 100 125 1 2 3 4 5 6 TEMPERATURE (°C) 1000 500 333 250 200 167 PERIOD (µs) 365142 G16 FREQUENCY (kHz) 365142 G17 365142ff 6 For more information www.linear.com/LT3651-4.1 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts