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参数资料
型号： LTC4012IUF-3#TRPBF
厂商： LINEAR TECHNOLOGY CORP
元件分类： 稳压器
英文描述： BATTERY CHARGE CONTROLLER, 633 kHz SWITCHING FREQ-MAX, PQCC20
封装： 4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-220WGGD-1, QFN-20
文件页数： 25/28页
文件大小： 369K
代理商： LTC4012IUF-3#TRPBF
40123fb
LTC4012-3
Gate Drive Non-Overlap
Charge Current Line Regulation
Input Current Limit
DCIN (V)
5
–0.5
CHARGE
CURRENT
ERROR
(%)
–0.4
–0.2
–0.1
0
0.5
0.2
10
15
4012-3 G08
–0.3
0.3
0.4
0.1
20
25
ICHG = 1A
ICHG = 2A
ICHG = 3A
BAT = 6V
RSENSE = 33m
RIN = 3.01k
Charge Current Load Regulation
BAT (V)
11.0
CHARGE
CURRENT
(A)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
12.6
4012-3 G09
11.4
11.8
12.2
13.0
ICHG = 3A
ICHG = 2A
ICHG = 1A
DCIN = 20V
RSENSE = 33m
RIN = 3.01k
SYSTEM LOAD (A)
0
CURRENT
(A)
0.5
1.0
1.5
2.5
4012-3 G10
0
–0.5
–1.0
0.5
1.0
2.0
2.5
3.0
IIN
ICHG
ICL STATE
2.5A BULK CHARGE
2.1A INPUT CURRENT LIMIT
PWM Soft-Start
ICHG
2A/DIV
TIME (500s/DIV)
4012-3 G11
ITH
1V/DIV
PROG
1V/DIV
SHDN
5V/DIV
TIME (80ns/DIV)
EXTERNAL
FET
DRIVE
(1V
/DIV)
4012-3 G12
TGATE
BGATE
Typical perForMance characTerisTics
(TA = 25°C unless otherwise noted. L = IHLP-2525 6.8H)
Charge Current Accuracy
BAT (V)
0
–6
CHARGE
CURRENT
ERROR
(%)
–4
–3
–2
10
8
20
24
22
2
4012-3 G07
–5
6
4
2
14
12
16 18
–1
0
1
DCIN = 12V
RPROG = 26.7k
DCIN = 24V
RPROG = 35.7k
RSENSE = 33m
RIN = 3.01k
相关PDF资料
PDF描述
LTC4012IUF#TRPBF SWITCHING CONTROLLER, 633 kHz SWITCHING FREQ-MAX, PQCC20
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相关代理商/技术参数
参数描述
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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