LTC3452 Linear Technology, LTC3452 Datasheet - Page 4

• Manufacturer Part Number: LTC3452
• Description: Synchronous Buck-Boost MAIN/CAMERA White LED Driver
• Manufacturer: Linear Technology

LTC3452
TYPICAL PERFOR A CE CHARACTERISTICS
4
1200
1100
1000
900
800
700
600
500
400
300
200
20
18
16
14
12
10
8
6
4
2
0
–55
–55
Shutdown Current vs Temperature
Enable Thresholds vs Temperature
V
V
IN
V
V
–35
–35
IN
IN
IN
= 3.6V
= 2.7V
= 4.2V
= 5.5V
–15
–15
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
812
808
804
800
796
792
788
784
780
V
25
25
2.7
IN
I
V
SETL,H
T
IL
= 3.6V
A
45
45
= 25°C
3.1
V
IH
65
65
Servo Voltage vs V
3.5
W
85
85 105
105
3.9
3452 G01
3452 G04
V
IN
U
125
125
(V)
4.3
4.7
IN
1000
900
800
700
600
500
400
300
200
5.1
12
10
8
6
4
0
2
2.7
2.7
3452 G07
Shutdown Current vs V
Enable Thresholds vs V
T
T
A
A
5.5
= 25°C
= 25°C
3.1
3.1
3.5
3.5
3.9
3.9
V
V
IN
V
V
IN
IH
IL
(V)
(V)
4.3
4.3
IN
4.7
IN
4.7
4.60
4.58
4.56
4.54
4.52
4.50
4.48
4.46
4.44
4.42
4.40
–55
Maximum Regulated V
vs Temperature
5.1
5.1
V
IN
3452 G02
3452 G05
–35
= 3.6V
5.5
5.5
–15
TEMPERATURE (°C)
5
25
804
800
792
780
812
808
796
788
784
2.5
2.3
2.1
1.9
1.7
1.5
–55
–55
45
Undervoltage Lockout Threshold
vs Temperature
I
vs Temperature
SETL,H
V
R
R
IN
ISETL
ISETH
–35
–35
65
= 3.6V
OUT
V
= 10.2k
–15
= 4.99k
–15
IN
85 105
Servo Voltage
FALLING
www.DataSheet4U.com
TEMPERATURE (°C)
TEMPERATURE (°C)
3452 G08
5
5
125
25
25
V
IN
45
45
RISING
65
65
85
85 105
105
3452 G06
3452 G03
3452f
125
125