LT3491ESC8#PBF Linear Technology, LT3491ESC8#PBF Datasheet - Page 4
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LT3491ESC8#PBF
Manufacturer Part Number
LT3491ESC8#PBF
Description
Manufacturer
Linear Technology
Datasheet
1.LT3491ESC8PBF.pdf
(16 pages)
Specifications of LT3491ESC8#PBF
Operating Supply Voltage (typ)
3.3/5/9V
Number Of Segments
6
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Package Type
SC-70
Pin Count
8
Mounting
Surface Mount
Operating Supply Voltage (min)
2.5V
Operating Supply Voltage (max)
12V
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LT3491
4
TYPICAL PERFOR A CE CHARACTERISTICS
240
200
160
120
3.0
2.5
2.0
1.5
1.0
0.5
30
29
28
27
26
25
80
40
0
0
–50 –25
0
0
Quiescent Current (V
Open-Circuit Output Clamp Voltage
vs Temperature
Sense Voltage (V
vs V
CTRL
500
3
0
TEMPERATURE (°C)
V
25
CTRL
V
1000
IN
6
CAP
(V)
(mV)
50
CTRL
– V
75
1500
LED
9
= 3V)
W
)
100
–50°C
25°C
85°C
3491 G15
3491 G09
3491 G12
2000
U
125
12
450
350
300
250
200
100
400
150
212
208
204
200
196
192
50
0
6
5
2
0
4
3
1
–50
30
5
Switching Current Limt
vs Duty Cycle
Input Current in Output Open Circuit
vs Temperature
Sense Voltage (V
vs V
V
IN
–25
= 3V
CAP
40
10
0
TEMPERATURE (°C)
50
DUTY CYCLE (%)
25
V
25°C
CAP
60
15
CAP
(V)
50
– V
70
75
LED
20
80
)
100
(T
3491 G10
3491 G13
3491 G16
A
= 25°C unless otherwise specified)
125
90
25
2.10
1.95
2.20
2.15
2.05
2.00
204
192
212
208
200
196
15
12
9
6
3
0
–50 –25
–50 –25
–50
Schottky Leakage Current
vs Temperature
Sense Voltage (V
vs Temperature
Switching Frequency
vs Temperature
–25
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
25
25
25
CAP
50
50
– V
50
75
75
LED
V
V
V
R
R
R
)
75
100
100
= 10V
= 16V
= 20V
3491 G17
3491 G11
3419 G14
3491fa
125
125
100