Datasheet

LTC4071
4
4071fc
Typical perForMance characTerisTics
R
DS(ON)
vs Temperature
I
CC
vs V
CC
LBD/LBC vs Temperature
(LBSEL = V
CC
)
HBO Thresholds vs Temperature
V
F
vs Temperature Load Regulation
LBC vs I
BAT
LBD/LBC vs Temperature
(LBSEL = GND)
T
A
= 25°C, unless otherwise noted.
I
CCQ
vs Temperature
I
BAT
(mA)
0.01
LBC_V
CC
(V)
3.5
3.3
100
4071 G01
3.1
2.9
0.1 1 10
3.9
3.7
4.1
4.3
LBSEL = GND
LBSEL = V
CC
TEMPERATURE (°C)
–50 –25
LBD/LBC (V)
3.4
3.2
125
4071 G02
3.0
0 25 50 75 100
3.8
3.6
4.0
4.2
LBC_V
CC
LBC_BAT
LBD
ADJ = V
CC
NTC = NTCBIAS
I
BAT
= –1mA
TEMPERATURE (°C)
–50 –25
LBD/LBC (V)
2.9
2.7
125
4071 G03
2.5
0 25 50 75 100
3.3
3.1
3.5
3.7
LBC_V
CC
LBC_BAT
LBD
ADJ = V
CC
NTC = NTCBIAS
I
BAT
= –1mA
TEMPERATURE (°C)
–50 –25
R
DS(ON)
(Ω)
4.0
3.5
125
4071 G04
3.0
0 25 50 75 100
5.0
4.5
5.5
V
CC
(V)
0 0.5
I
CC
(nA)
600
800
1000
400
200
4.0
4071 G05
0
1 1.5 2 2.5 3 3.5
1600
1800
1200
1400
2000
125°C RISING
125°C FALLING
25°C RISING
25°C FALLING
–45°C RISING
–45°C FALLING
ADJ = V
CC
LBSEL = V
CC
NTC = NTCBIAS
TEMPERATURE (°C)
–50 –25
I
CCQ
(nA)
500
400
125
4071 G06
300
0 25 50 75 100
900
700
600
800
1000
ADJ = V
CC
LBSEL = V
CC
NTC = NTCBIAS
HBO LOW
TEMPERATURE (°C)
–50 –25
HBOTH/HY (mV)
125
4071 G07
0
0 25 50 75 100
200
100
50
150
250
HBOHY
HBOTH
ADJ = V
CC
LBSEL = V
CC
NTC = NTCBIAS
TEMPERATURE (°C)
–50 –25
V
F
(V)
125
4071 G08
3.95
0 25 50 75 100
4.15
4.20
4.05
4.00
4.10
4.25
ADJ = GND
ADJ = FLOAT
ADJ = V
CC
LBSEL = V
CC
NTC = NTCBIAS
I
CC
(mA)
0
V
CC
(V)
60
4071 G09
4.095
10 20 30 40 50
4.115
4.120
4.105
4.100
4.110
4.125
ADJ = FLOAT
NTC = NTCBIAS
LBSEL = V
CC