Datasheet LT8698S, LT8698S-1 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 5V 3A Output, 42V Input USB Charger with Cable Drop Compensation and Dataline Protection |
| 页数 / 页 | 40 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VIN = 12V unless … |
| 修订版 | A |
| 文件格式/大小 | PDF / 4.5 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VIN = 12V unless otherwise noted. VBUS vs Temperature. BUS vs Temperature. BUS
该数据表的模型线
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LT8698S/LT8698S-1
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = 12V unless otherwise noted. VBUS vs Temperature V BUS vs Temperature BUS BUS vs V vs VIN VBUS BUS vs IBUS vs I
5.780 6.00 5.8 ILOAD = 2.4A 5.775 RSEN = 10mΩ IBUS = 2.4A R 5.75 CBL = 2.8k 5.6 5.770 RCDC = 2k 5.50 5.765 IBUS = 1A 5.4 (V) (V) (V) 5.760 5.25 V BUS V BUS V BUS 5.755 IBUS = 0A 5.2 5.00 5.750 RSEN = 10mΩ 5.0 4.75 RSEN = 10mΩ 5.745 RCBL = 2.8k RCBL = 2.8k RCDC = 2k RCDC = 2k 5.740 4.50 4.8 –50 –25 0 25 50 75 100 125 150 4 10 50 0 0.5 1 1.5 2 2.5 TEMPERATURE (°C) VIN (V) IBUS (A) 8698S G01 8698S G02 8698S G03
Sense Voltage (VISP – VISN) ) Output Current Load Line vs Temperature vs T RCBL V VRCBL oltage vs Load vs IBUS
6.50 29.0 1.2 V 6.25 BUS = 4.5V 28.5 VBUS = 0V 6.00 1.0 28.0 5.75 0.8 5.50 27.5 (V) (V) 5.25 (mV) 27.0 0.6 V BUS 5.00 V SENSE V RCBL 26.5 4.75 0.4 RCBL=2k, RSEN=10mΩ 26.0 4.50 RCBL=2.55k, RSEN=10mΩ 0.2 R R SEN = 10mΩ CBL=OPEN, RSEN=10mΩ 4.25 25.5 R RCBL = 2.8k CBL=2.55k, RSEN=8mΩ R 4.00 CDC = 2k 25.0 0 0 0.5 1 1.5 2 2.5 3 3.5 –50 –25 0 25 50 75 100 125 150 0 0.5 1 1.5 2 2.5 IBUS (A) TEMPERATURE (°C) IBUS (A) 8698S G04 8698S G05 8698S G06
Efficiency at T Efficiency at TAA = 25
°
= 25°CC Efficiency at T Efficiency at T A A = 90
°
C = 90°C No Load Input Current vs V No Low Input Current vs V IN IN
100 2.50 100 2.50 36 L = XAL5030–222, RSEN = 8mΩ L = XAL5030–222, RSEN = 8mΩ SYNC/MODE = FLOAT 95 2.25 95 2.25 32 SYNC/MODE = GND 90 2.00 90 2.00 EFFICIENCY 28 85 1.75 POWER LOSS (W) EFFICIENCY 85 1.75 POWER LOSS (W) 24 80 1.50 80 1.50 20 75 1.25 75 1.25 POWER LOSS POWER LOSS (mA) 70 1.00 70 1.00 16 I VIN EFFICIENCY (%) EFFICIENCY (%) 65 0.75 65 0.75 12 VIN = 8V 60 0.50 V 60 IN = 8V 0.50 V 8 IN = 12V VIN = 12V 55 VIN = 16V 0.25 55 VIN = 16V 0.25 V 4 IN = 20V V 50 0 IN = 20V 50 0 0 0.5 1 1.5 2 2.5 3 0 0.5 1 1.5 2 2.5 3 0 LOAD CURRENT (A) LOAD CURRENT (A) 0 5 10 15 20 25 30 35 40 45 8698S G07 8698S G08 VIN (V) 8698S G09 Rev. A For more information www.analog.com 7 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 Typical Applications Package Description Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = 12V unless otherwise noted. VBUS vs Temperature V BUS vs Temperature BUS BUS vs V vs VIN VBUS BUS vs IBUS vs I
5.780 6.00 5.8 ILOAD = 2.4A 5.775 RSEN = 10mΩ IBUS = 2.4A R 5.75 CBL = 2.8k 5.6 5.770 RCDC = 2k 5.50 5.765 IBUS = 1A 5.4 (V) (V) (V) 5.760 5.25 V BUS V BUS V BUS 5.755 IBUS = 0A 5.2 5.00 5.750 RSEN = 10mΩ 5.0 4.75 RSEN = 10mΩ 5.745 RCBL = 2.8k RCBL = 2.8k RCDC = 2k RCDC = 2k 5.740 4.50 4.8 –50 –25 0 25 50 75 100 125 150 4 10 50 0 0.5 1 1.5 2 2.5 TEMPERATURE (°C) VIN (V) IBUS (A) 8698S G01 8698S G02 8698S G03
Sense Voltage (VISP – VISN) ) Output Current Load Line vs Temperature vs T RCBL V VRCBL oltage vs Load vs IBUS
6.50 29.0 1.2 V 6.25 BUS = 4.5V 28.5 VBUS = 0V 6.00 1.0 28.0 5.75 0.8 5.50 27.5 (V) (V) 5.25 (mV) 27.0 0.6 V BUS 5.00 V SENSE V RCBL 26.5 4.75 0.4 RCBL=2k, RSEN=10mΩ 26.0 4.50 RCBL=2.55k, RSEN=10mΩ 0.2 R R SEN = 10mΩ CBL=OPEN, RSEN=10mΩ 4.25 25.5 R RCBL = 2.8k CBL=2.55k, RSEN=8mΩ R 4.00 CDC = 2k 25.0 0 0 0.5 1 1.5 2 2.5 3 3.5 –50 –25 0 25 50 75 100 125 150 0 0.5 1 1.5 2 2.5 IBUS (A) TEMPERATURE (°C) IBUS (A) 8698S G04 8698S G05 8698S G06
Efficiency at T Efficiency at TAA = 25
°
= 25°CC Efficiency at T Efficiency at T A A = 90
°
C = 90°C No Load Input Current vs V No Low Input Current vs V IN IN
100 2.50 100 2.50 36 L = XAL5030–222, RSEN = 8mΩ L = XAL5030–222, RSEN = 8mΩ SYNC/MODE = FLOAT 95 2.25 95 2.25 32 SYNC/MODE = GND 90 2.00 90 2.00 EFFICIENCY 28 85 1.75 POWER LOSS (W) EFFICIENCY 85 1.75 POWER LOSS (W) 24 80 1.50 80 1.50 20 75 1.25 75 1.25 POWER LOSS POWER LOSS (mA) 70 1.00 70 1.00 16 I VIN EFFICIENCY (%) EFFICIENCY (%) 65 0.75 65 0.75 12 VIN = 8V 60 0.50 V 60 IN = 8V 0.50 V 8 IN = 12V VIN = 12V 55 VIN = 16V 0.25 55 VIN = 16V 0.25 V 4 IN = 20V V 50 0 IN = 20V 50 0 0 0.5 1 1.5 2 2.5 3 0 0.5 1 1.5 2 2.5 3 0 LOAD CURRENT (A) LOAD CURRENT (A) 0 5 10 15 20 25 30 35 40 45 8698S G07 8698S G08 VIN (V) 8698S G09 Rev. A For more information www.analog.com 7 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 Typical Applications Package Description Related Parts