Data Sheet

LT3652
5
3652fe
For more information www.linear.com/LT3652
TYPICAL PERFORMANCE CHARACTERISTICS
Switch Forward Drop (V
IN
– V
SW
)
vs Temperature
CC/CV Charging; SENSE Pin Bias
Current vs V
SENSE
C/10 Threshold (V
SENSE
–V
BAT
)
vs Temperature
V
FB
Reference Voltage
vs Temperature
V
IN
Standby Mode Current
vs Temperature
Switch Drive (I
SW
/I
BOOST
)
vs Switch Current
T
J
= 25°C, unless otherwise noted.
TEMPERATURE (°C)
–50
V
FB
(FLT)
3.296
3.298
3.300
3.302
0
50
75
3652 G01a
3.304
–25
25
100
125
TEMPERATURE (°C)
–50
65
I
VIN
CURRENT (µA)
70
75
80
100
90
0
50
75
3652 G02
95
85
–25
25
100
SWITCH CURRENT (A)
0
I
SW
/I
BOOST
18
24
30
36
1.6
12
6
0
21
27
33
15
9
3
0.4
0.8
1.2
0.2 1.8
0.6
1.0
1.4
2.0
3652 G03
TEMPERATURE (°C)
–50
320
V
SW(ON)
(mV)
340
360
380
480
420
0
50
75
3652 G04
440
460
400
–25
25
100
125
I
SW
= 2A
V
SENSE
(V)
0
–350
I
SENSE
(µA)
–250
–150
–50
100
1
2
2.5
50
–300
–200
–100
0
0.5 1.5
3652 G05
V
BAT
= V
BAT(PRE)
V
BAT
= V
BAT(FLT)
TEMPERATURE (°C)
–50
8
V
SENSE(C/10)
(mV)
9
10
11
12
0
50
75
3652 G06
–25
25
100
125
TEMPERATURE (°C)
–50
V
IN_REG(TH)
(V)
2.680
2.685
2.690
2.715
2.710
2.705
2.700
2.695
0
50
75
3652 G01
2.720
–25
25
100
125
V
IN_REG
Threshold
vs Temperature: I
CHG
at 50%