Datasheet LTC4071 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Li-Ion/Polymer Shunt Battery Charger System with Low Battery Disconnect |
| 页数 / 页 | 18 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 修订版 | D |
| 文件格式/大小 | PDF / 554 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. MP1 Body Diode. HBO VOH. HBO VOL
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LTC4071
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. MP1 Body Diode HBO VOH HBO VOL
1.0 2000 1200 V LBSEL = VCC LBSEL = VCC 0.9 CC = 3.5V LBSEL = GND 1800 NTC = NTCBIAS NTC = NTCBIAS 0.8 1600 ADJ = GND 900 0.7 1400 VCC = 3.6V (V) 0.6 (mV) 1200 ADJ = V BAT CC 0.5 HBO 1000 (mV) 600 – V 0.4 – V 800 V OL V CC VCC = 4.0V V CC 0.3 600 300 0.2 125°C 400 85°C 0.1 25°C 200 –45°C 0 0 0 0.01 0.1 1 10 100 0 0.5 1 1.5 2 2.5 0 1 2 3 4 5 6 IBAT (mA) ISOURCE (mA) ISINK (mA) 4071 G10 4071 G11 4071 G12
LBSEL VIL/VIH vs Temperature VF vs NTC Temperature
1400 4.25 4.20 ADJ = VCC 1200 VIH 4.15 1000 4.10 ADJ = FLOAT 4.05 (mV) 800 (V) 4.00 ADJ = GND /V IH VIL 600 V F V IL 3.95 400 3.90 3.85 200 3.80 LBSEL = VCC 0 3.75 –50 –25 0 25 50 75 100 125 0 20 40 60 80 100 TEMPERATURE (°C) NTC TEMPERATURE (°C) 4071 G13 4071 G14
NTCBIAS Pulse Width vs Temperature NTCBIAS Period vs Temperature
250 7 6 200 5 150 4 HBO LOW HBO LOW 100 3 PERIOD (SEC) PULSE WIDTH (µs) 2 50 HBO HIGH HBO HIGH 1 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 4071 G15 4071 G16 Rev. D For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. MP1 Body Diode HBO VOH HBO VOL
1.0 2000 1200 V LBSEL = VCC LBSEL = VCC 0.9 CC = 3.5V LBSEL = GND 1800 NTC = NTCBIAS NTC = NTCBIAS 0.8 1600 ADJ = GND 900 0.7 1400 VCC = 3.6V (V) 0.6 (mV) 1200 ADJ = V BAT CC 0.5 HBO 1000 (mV) 600 – V 0.4 – V 800 V OL V CC VCC = 4.0V V CC 0.3 600 300 0.2 125°C 400 85°C 0.1 25°C 200 –45°C 0 0 0 0.01 0.1 1 10 100 0 0.5 1 1.5 2 2.5 0 1 2 3 4 5 6 IBAT (mA) ISOURCE (mA) ISINK (mA) 4071 G10 4071 G11 4071 G12
LBSEL VIL/VIH vs Temperature VF vs NTC Temperature
1400 4.25 4.20 ADJ = VCC 1200 VIH 4.15 1000 4.10 ADJ = FLOAT 4.05 (mV) 800 (V) 4.00 ADJ = GND /V IH VIL 600 V F V IL 3.95 400 3.90 3.85 200 3.80 LBSEL = VCC 0 3.75 –50 –25 0 25 50 75 100 125 0 20 40 60 80 100 TEMPERATURE (°C) NTC TEMPERATURE (°C) 4071 G13 4071 G14
NTCBIAS Pulse Width vs Temperature NTCBIAS Period vs Temperature
250 7 6 200 5 150 4 HBO LOW HBO LOW 100 3 PERIOD (SEC) PULSE WIDTH (µs) 2 50 HBO HIGH HBO HIGH 1 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 4071 G15 4071 G16 Rev. D For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts