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参数资料
| 型号： | LTC4012IUF-3#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/28页 |
| 文件大小： | 0K |
| 描述： | IC CTLR BATT CHARGER CC/CV 20QFN |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 多化学 |
| 电源电压： | 6 V ~ 28 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN 裸露焊盘（4x4） |
| 包装： | 带卷 (TR) |
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LTC4012-3
TYPICAL PERFORMANCE CHARACTERISTICS
(T A = 25°C unless otherwise noted. L = IHLP-2525 6.8μH)
Efficiency at DCIN = 20V, BAT = 8V
Efficiency at DCIN = 20V, BAT = 12V
100
R SENSE = 33m
R IN = 3.01k
10000
100
R SENSE = 33m
R IN = 3.01k
10000
95
95
EFFICIENCY
90
EFFICIENCY
POWER LOSS
1000
90
POWER LOSS
1000
85
85
80
0
0.5
1 1.5 2
2.5
3
100
80
0
0.5
1 1.5 2
2.5
3
100
CHARGE CURRENT (A)
4012-3 G01
CHARGE CURRENT (A)
4012-3 G02
Efficiency at DCIN = 20V, BAT = 16V
V FB Line Regulation
100
95
EFFICIENCY
10000
0.10
0.08
0.06
0.04
LTC4012-3 TEST CIRCU IT
0.02
90
85
POWER LOSS
R SENSE = 33m
R IN = 3.01k
1000
0
–0.02
–0.04
–0.06
–0.08
80
0
0.5
1 1.5 2
2.5
3
100
–0.10
5
10
15
20
25
30
CHARGE CURRENT (A)
4012-3 G03
CLP (V)
4012-3 G04
FBDIV Pin R ON vs Battery Voltage
Battery Load Dump
300
275
CLP = BAT + 3V
(CLP ≥ 6V)
2A
250
225
12.1V
1A
1A
TIME (1ms/DIV)
200
175
150
125
100
LOAD
STATE
DISCONNECT
CLP = 20V
V OUT = 12.3V
3A
RECONNECT
4012-3 G06
75
0
5
10
15
20
25
BAT (V)
4012-3 G05
40123fb
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相关代理商/技术参数 |
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|---|---|
| LTC4020EUHF#PBF | 制造商:Linear Technology 功能描述:Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol 20000mA 55V 38-Pin QFN EP 制造商:Linear Technology 功能描述:IC BATT CHARGER 55V BB 38QFN 制造商:Linear Technology 功能描述:BATTERY CHARGER, 20A, QFN-38 制造商:Linear Technology 功能描述:BATTERY CHARGER, 20A, QFN-38, Input Voltage:55V, Battery Charge Voltage:55V, Charge Current Max:20A, Battery IC Case Style:QFN, No. of Pins:38, No. of Series Cells:12, Operating Temperature Min:-40C, Operating Temperature Max:125C , RoHS Compliant: Yes |
| LTC4020EUHF#TRPBF | 制造商:Linear Technology 功能描述:Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol 20000mA 55V 38-Pin QFN EP T/R 制造商:Linear Technology 功能描述:IC BATT CHARGER 55V BB 38QFN 制造商:Linear Technology 功能描述:BATTERY CHARGER, 20A, QFN-38, Input Voltage:55V, Battery Charge Voltage:55V, Charge Current Max:20A, Battery IC Case Style:QFN, No. of Pins:38, No. of Series Cells:12, Operating Temperature Min:-40C, Operating Temperature Max:125C , RoHS Compliant: Yes |
| LTC4020IUHF#PBF | 制造商:Linear Technology 功能描述:Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol 20000mA 55V 38-Pin QFN EP 制造商:Linear Technology 功能描述:IC BATT CHARGER 55V BB 38QFN 制造商:Linear Technology 功能描述:BATTERY CHARGER, 20A, QFN-38 制造商:Linear Technology 功能描述:BATTERY CHARGER, 20A, QFN-38, Input Voltage:55V, Battery Charge Voltage:55V, Charge Current Max:20A, Battery IC Case Style:QFN, No. of Pins:38, No. of Series Cells:12, Operating Temperature Min:-40C, Operating Temperature Max:125C , RoHS Compliant: Yes |
| LTC4020IUHF#TRPBF | 制造商:Linear Technology 功能描述:Battery Charger Lead-Acid/Li-FePO4/Li-Ion/Li-Pol 20000mA 55V 38-Pin QFN EP T/R 制造商:Linear Technology 功能描述:IC BATT CHARGER 55V BB 38QFN 制造商:Linear Technology 功能描述:BATTERY CHARGER, 20A, QFN-38, Input Voltage:55V, Battery Charge Voltage:55V, Charge Current Max:20A, Battery IC Case Style:QFN, No. of Pins:38, No. of Series Cells:12, Operating Temperature Min:-40C, Operating Temperature Max:125C , RoHS Compliant: Yes |
| LTC4050 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Standalone 250mA Li-Ion Battery Charger in 2 × 2 DFN |
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