Datasheet

LTC4070
4
4070fc
Typical perForMance characTerisTics
I
CCQ
vs Temperature (ADJ = V
CC
)
V
HBTH
V
CC
Rising vs Temperature
(ADJ = V
CC
)
V
FLOAT
vs Temperature, I
CC
= 1mA
V
FLOAT
vs NTC Temperature,
I
CC
= 1mA
V
LBTH
V
CC
Falling vs Temperature V
LBHY
vs Temperature
Battery Discharge I
CC
vs V
CC
Load Regulation DV
FLOAT
vs I
CC
T
A
= 25°C, unless otherwise noted.
V
HBHY
vs Temperature
(ADJ = V
CC
)
V
CC
(V)
I
CC
(nA)
1000
900
700
800
600
500
400
300
200
100
0
1
0
2
4070 G01
3 4
FALLING
ADJ = GND
RISING
I
CC
(mA)
∆V
FLOAT
(mV)
10
9
7
8
6
5
4
3
2
1
0
10
0
20 30
4070 G02
40 50 60
TEMPERATURE (°C)
V
FLOAT
(V)
4.30
4.25
4.15
4.20
4.10
4.05
4.00
3.95
3.90
–25
–50
25 500
4070 G03
75 100 125
ADJ = V
CC
ADJ = FLOAT
ADJ = GND
NO NTC
TEMPERATURE (°C)
I
CCQ
(nA)
1000
900
700
800
600
500
400
300
200
100
0
–25
–50
25 500
4070 G04
75 100 125
TEMPERATURE (°C)
V
HBTH
(mV)
100
90
70
80
60
50
40
30
20
10
0
–25
–50
25 500
4070 G05
75 100 125
TEMPERATURE (°C)
V
HBHY
(mV)
300
250
150
200
100
50
0
–25
–50
25 500
4070 G06
75 100 125
TEMPERATURE (°C)
V
FLOAT
(V)
4.3
4.2
4.0
4.1
3.9
3.8
3.7
4020
0
60
4070 G07
80 100
ADJ = V
CC
ADJ = FLOAT
ADJ = GND
TEMPERATURE (°C)
V
LBTH
(V)
3.250
3.245
3.235
3.240
3.225
3.230
3.210
3.205
3.220
3.215
3.200
–25
–50
25 500
4070 G08
75 100 125
ADJ = FLOAT
ADJ = GND
ADJ = V
CC
TEMPERATURE (°C)
V
LBHY
(V)
320
300
240
220
280
260
200
–25
–50
25 500
4070 G09
75 100 125
ADJ = FLOAT
ADJ = GND
ADJ = V
CC