Datasheet LTC4002 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Standalone Li-Ion Switch Mode Battery Charger |
| 页数 / 页 | 16 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS TA = 25. C, VCC = 10V unless … |
| 文件格式/大小 | PDF / 174 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25. C, VCC = 10V unless otherwise noted. Undervoltage Lockout Threshold
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文件文字版本
LTC4002
W U TYPICAL PERFOR A CE CHARACTERISTICS TA = 25
°
C, VCC = 10V unless otherwise noted. Undervoltage Lockout Threshold CHRG Pin Output Low Voltage Oscillator Frequency vs VCC vs Temperature vs VCC
510 8 150 V I CC RISING LOAD = 1mA LTC4002-8.4 7 (V) (mV) (kHz) 500 6 140 UVV f OSC CHRGV 5 LTC4002-4.2 490 4 130 5 10 15 20 25 – 50 – 25 0 25 50 75 100 125 5 10 15 20 25 VCC (V) TEMPERATURE (°C) VCC (V) 4002 G04 4002 G05 4002 G06
CHRG Pin Output Low Voltage CHRG Pin Weak Pull-Down CHRG Output Pin Weak Pull-Down vs Temperature Current vs Temperature Current vs VCC
180 29 28 ILOAD = 1mA VCHRG = 8V VCHRG = 8V A) A) µ µ (mV) ( 140 25 25 CHGV I CHRG I CHRG 100 21 22 – 50 – 25 0 25 50 75 100 125 – 50 – 25 0 25 50 75 100 125 5 10 15 20 25 TEMPERATURE (°C) TEMPERATURE (°C) VCC (V) 4002 G07 4002 G08 4002 G09
Recharge Voltage Offset Per Cell from Full Charged Recharge Voltage Offset from Full Recharge Voltage Offset from Full Voltage vs Temperature Charged Voltage vs VCC Charged Voltage vs VCC
190 160 320 LTC4002-4.2 LTC4002-8.4 (mV) (mV) (mV) 150 150 300 RECHRG RECHRG V V RECHRG/CELLV ∆ ∆ ∆ 110 140 280 – 50 – 25 0 25 50 75 100 125 5 10 15 20 25 5 10 15 20 25 TEMPERATURE (°C) VCC (V) VCC (V) 4002 G10 4002 G11 4002 G12 4002f 5
W U TYPICAL PERFOR A CE CHARACTERISTICS TA = 25
°
C, VCC = 10V unless otherwise noted. Undervoltage Lockout Threshold CHRG Pin Output Low Voltage Oscillator Frequency vs VCC vs Temperature vs VCC
510 8 150 V I CC RISING LOAD = 1mA LTC4002-8.4 7 (V) (mV) (kHz) 500 6 140 UVV f OSC CHRGV 5 LTC4002-4.2 490 4 130 5 10 15 20 25 – 50 – 25 0 25 50 75 100 125 5 10 15 20 25 VCC (V) TEMPERATURE (°C) VCC (V) 4002 G04 4002 G05 4002 G06
CHRG Pin Output Low Voltage CHRG Pin Weak Pull-Down CHRG Output Pin Weak Pull-Down vs Temperature Current vs Temperature Current vs VCC
180 29 28 ILOAD = 1mA VCHRG = 8V VCHRG = 8V A) A) µ µ (mV) ( 140 25 25 CHGV I CHRG I CHRG 100 21 22 – 50 – 25 0 25 50 75 100 125 – 50 – 25 0 25 50 75 100 125 5 10 15 20 25 TEMPERATURE (°C) TEMPERATURE (°C) VCC (V) 4002 G07 4002 G08 4002 G09
Recharge Voltage Offset Per Cell from Full Charged Recharge Voltage Offset from Full Recharge Voltage Offset from Full Voltage vs Temperature Charged Voltage vs VCC Charged Voltage vs VCC
190 160 320 LTC4002-4.2 LTC4002-8.4 (mV) (mV) (mV) 150 150 300 RECHRG RECHRG V V RECHRG/CELLV ∆ ∆ ∆ 110 140 280 – 50 – 25 0 25 50 75 100 125 5 10 15 20 25 5 10 15 20 25 TEMPERATURE (°C) VCC (V) VCC (V) 4002 G10 4002 G11 4002 G12 4002f 5