Datasheet

LTC4020
6
4020fd
For more information www.linear.com/LTC4020
Typical perForMance characTerisTics
Shutdown Current vs Temperature
(I
PVIN
+ I
SENSVIN
+ I
SENSTOP
)
INTV
CC
Short-Circuit Current
Limit vs Temperature
Maximum Charge Current
(Percent of Programmed I
CSMAX
)
vs RNG/SS Voltage
Instant-On: Maximum Charge
Current (Percent of I
CSMAX
) vs
V
CSN–BAT
I
BATQ
(I
BAT
+ I
CSN
+ I
CSP
) vs V
BAT
PowerPath Switcher Disabled
I
BATQ
(I
BAT
+ I
CSN
+ I
CSP
) vs
Temperature PowerPath Switcher
Disabled
V
FLOAT(CC/CV)
or, V
ABSORB(Lead-Acid)
Reference vs Temperature
V
FLOAT(Lead-Acid)
Reference vs
Temperature
V
FBMAX
Reference vs Temperature
TEMPERATURE (°C)
VOLTAGE (V)
2.80
2.79
2.78
2.77
2.76
2.75
2.74
2.73
2.72
2.71
2.70
50205–10–25–40 80 95 110
4020 G03
12535 65
TEMPERATURE (°C)
STANDBY MODE CURRENT (µA)
50
45
40
35
30
15
25
20
60–40–30–20–10 0 10 80 90
4020 G04
50403020 70
TEMPERATURE (°C)
INTV
CC
CURRENT LIMIT (mA)
155
154
153
152
151
150
149
148
147
146
145
50205–10–25–40 80 95 110
4020 G05
12535 65
RNG/SS VOLTAGE (V)
0
MAXIMUM CHARGE CURRENT (%)
100
90
70
50
80
60
40
30
20
10
0
0.4 0.8 1.0
4020 G06
1.20.2 0.6
V
BAT
(V)
0
I
BATQ
(µA)
11.0
10.5
10.0
8.0
9.5
9.0
8.5
7.0
6.5
7.5
6.0
10 30 4535 40 50
4020 G08
555 15 2520
TEMPERATURE (°C)
–40
VOLTAGE (V)
2.36
2.35
2.34
2.33
2.32
2.31
2.30
2.29
2.28
2.27
2.26
2.25
20–10 80 95 110
4020 G02
1255 35 50–25 65
TEMPERATURE (°C)
–40
VOLTAGE (V)
2.525
2.520
2.510
2.500
2.515
2.505
2.495
2.490
2.485
2.480
2.475
20 35 50–10 80 95 110
4020 G01
1255–25 65
V
CSN–BAT
(V)
0
MAXIMUM CHARGE CURRENT (%)
100
90
70
50
80
60
40
30
20
10
0
0.5 1 1.25
4020 G07
2.251.5 1.75 2.520.25 0.75
TEMPERATURE (°C)
I
BATQ
(µA)
11.0
10.5
10.0
9.5
8.0
9.0
8.5
60–40–30–20–10 0 10 80 90
4020 G09
50403020 70
V
BAT
= 20V
T
A
= 25°C, unless otherwise noted.
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