sc1417bimstr Semtech Corporation, sc1417bimstr Datasheet - Page 6

• Manufacturer Part Number: sc1417bimstr
• Description: Sc1417b Micropower, 620 Khz Pwm, Step-up Dc/dc Converter
• Manufacturer: Semtech Corporation

POWER MANAGEMENT
Typical Characteristics
2006 Semtech Corp.
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
1.205
1.200
5.3
5.1
4.9
4.7
4.5
4.3
4.1
3.9
3.7
3.5
3.3
400
350
300
250
200
150
100
50
0
-50
-50
-50
V
I
V
OUT
IN
COMP
V
V
LX floating
= V
IN
COMP
= 0A
= V
= 100mV
EN
Supply Current in PWM Mode
-25
= 600mV
Power Switch Voltage Drop
-25
EN
= 2V
-25
= 2V
Feedback Voltage
vs. Temperature
vs. Temperature
vs. Temperature
0
0
0
T
T
T
A
A
25
25
A
(°C)
(°C)
25
(°C)
50
50
50
V
I
LX
IN
= 500mA
75
= V
75
75
EN
= 2V
100
100
100
6
60
50
40
30
20
10
50
45
40
35
30
25
20
15
10
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0
5
0
-50
-50
-50
V
V
IN
FB
V
IN
= V
= 1.22V
= V
EN
-25
-25
EN
Supply Current in Shutdown
Power Switch Current Limit
= 2V
-25
= 2V
Feedback Input Current
vs. Temperature
vs. Temperature
vs. Temperature
0
0
0
T
T
T
A
A
25
25
A
(°C)
(°C)
25
(°C)
50
50
50
SC1417B
www.semtech.com
V
V
V
IN
EN
LBI
75
75
75
= 2V
= 0V
= 300mV
100
100
100