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參數(shù)資料
| 型號(hào)： | LTC4085EDE-3#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY MANAGEMENT CKT, PDSO14 |
| 封裝： | 4 X 3 MM, PLASTIC, MO-229, DFN-14 |
| 文件頁(yè)數(shù)： | 18/24頁(yè) |
| 文件大?。?/td> | 275K |
| 代理商： | LTC4085EDE-3#TRPBF |
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LTC4085-3
3
40853f
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Current Limit
ILIM
Current Limit
RCLPROG = 2k (0.1%), HPWR = 5V
RCLPROG = 2k (0.1%), HPWR = 0V
●
475
90
500
100
525
110
mA
IIN(MAX)
Maximum Input Current Limit
(Note 8)
2.4
A
RON
ON Resistance VIN to VOUT
IOUT = 100mA Load
215
mΩ
VCLPROG
CLPROG Pin Voltage
RPROG = 2k
RPROG = 1k
●
0.98
1
1.02
V
ISS
Soft Start Inrush Current
IN or OUT
5
mA/μs
VCLEN
Input Current Limit Enable Threshold
Voltage
(VIN – VOUT) VIN Rising
(VIN – VOUT) VIN Falling
20
50
–60
80
mV
Battery Charger
VFLOAT
Regulated Output Voltage
IBAT = 2mA
IBAT = 2mA, (0°C – 85°C)
3.915
3.910
3.95
3.985
3.990
V
IBAT
Current Mode Charge Current
RPROG = 100k (0.1%), No Load
RPROG = 50k (0.1%), No Load
●
465
900
500
1000
535
1080
mA
IBAT(MAX)
Maximum Charge Current
(Note 8)
1.5
A
VPROG
PROG Pin Voltage
RPROG = 100k
RPROG = 50k
●
0.98
1
1.02
V
kEOC
Ratio of End-of-Charge Current to
Charge Current
VBAT = VFLOAT (3.95V)
●
0.085
0.1
0.11
mA/mA
ITRIKL
Trickle Charge Current
VBAT = 2V, RPROG = 100k (0.1%)
35
50
60
mA
VTRIKL
Trickle Charge Threshold Voltage
●
2.75
2.9
3
V
VCEN
Charger Enable Threshold Voltage
(VOUT – VBAT) Falling; VBAT = 4V
(VOUT – VBAT) Rising; VBAT = 4V
55
80
mV
VRECHRG
Recharge Battery Threshold Voltage
VFLOAT – VRECHRG
●
60
95
130
mV
tTIMER
TIMER Accuracy
VBAT = 4.05V
–10
10
%
Recharge Time
Percent of Total Charge Time
50
%
Low Battery Trickle Charge Time
Percent of Total Charge Time, VBAT < 2.8V
25
%
TLIM
Junction Temperature in Constant
Temperature Mode
105
°C
Internal Ideal Diode
RFWD
Incremental Resistance, VON Regulation IBAT = 100mA
125
mΩ
RDIO(ON)
ON Resistance VBAT to VOUT
IBAT = 600mA
215
mΩ
VFWD
Voltage Forward Drop (VBAT – VOUT)IBAT = 5mA
IBAT = 100mA
IBAT = 600mA
●
10
30
55
160
50
mV
VOFF
Diode Disable Battery Voltage
2.8
V
IFWD
Load Current Limit, for VON Regulation
550
mA
ID(MAX)
Diode Current Limit
2.2
A
The ● indicates specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 5V, VBAT = 3.7V, HPWR = 5V, WALL = 0V, RPROG = 100k,
RCLPROG = 2k, unless otherwise noted.
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