Datasheet

LTC4071
5
4071fc
Typical perForMance characTerisTics
V
F
vs NTC Temperature
MP1 Body Diode HBO V
OH
LBSEL V
IL
/V
IH
vs Temperature
T
A
= 25°C, unless otherwise noted.
HBO V
OL
NTCBIAS Period vs Temperature
NTCBIAS Pulse Width
vs Temperature
I
BAT
(mA)
0.01
V
CC
– V
BAT
(V)
100
4071 G10
0
0.1 1 10
0.7
0.8
0.9
0.5
0.4
0.3
0.2
0.1
0.6
1.0
V
CC
= 3.5V
LBSEL = GND
125°C
85°C
25°C
–45°C
I
SOURCE
(mA)
0
V
CC
– V
HBO
(mV)
2.5
4071 G11
0
0.5 1 1.5 2
800
1000
200
400
600
1600
1800
1200
1400
2000
ADJ = GND
ADJ = V
CC
LBSEL = V
CC
NTC = NTCBIAS
I
SINK
(mA)
0
V
OL
(mV)
6
4071 G12
0
2 4
5
1 3
300
600
900
1200
V
CC
= 4.0V
V
CC
= 3.6V
LBSEL = V
CC
NTC = NTCBIAS
TEMPERATURE (°C)
–50 –25
V
IL
/V
IH
(mV)
125
4071 G13
0
0 25 50 75 100
800
1000
1200
400
200
600
1400
V
IL
V
IH
NTC TEMPERATURE (°C)
0 20
V
F
(V)
100
4071 G14
3.75
3.80
3.85
3.90
3.95
40 60 80
4.15
4.20
4.05
4.00
4.10
4.25
ADJ = V
CC
ADJ = FLOAT
ADJ = GND
LBSEL = V
CC
TEMPERATURE (°C)
–50 –25
PULSE WIDTH (µs)
125
4071 G15
0
0 25 50 75 100
200
100
50
150
250
HBO LOW
HBO HIGH
TEMPERATURE (°C)
–50 –25
PERIOD (SEC)
125
4071 G16
0
0 25 50 75 100
6
4
3
2
1
5
7
HBO LOW
HBO HIGH