LT1109CS8-12 Linear Technology, LT1109CS8-12 Datasheet - Page 3
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LT1109CS8-12
Manufacturer Part Number
LT1109CS8-12
Description
IC DC/DC CONV FIXD OUT 12V 8SOIC
Manufacturer
Linear Technology
Type
Step-Up (Boost)r
Datasheet
1.LT1109CS8-12PBF.pdf
(8 pages)
Specifications of LT1109CS8-12
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
12V
Current - Output
100mA
Frequency - Switching
120kHz
Voltage - Input
3V, 5V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Power - Output
300mW
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LT1109CS8-12
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LT1109CS8-12#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LT1109CS8-12#TRPBF
Manufacturer:
SANYO
Quantity:
6 227
Part Number:
LT1109CS8-12#TRPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
SYMBOL
V
V
I
I
The
temperature range.
TYPICAL PERFOR
ELECTRICAL C
IH
IL
IH
IL
160
140
120
100
80
60
70
65
60
55
50
45
40
35
30
–50
–50
denotes the specifications which apply over the full operating
Oscillator Frequency
Duty Cycle
–25
–25
PARAMETER
Switch Leakage Current
SHUTDOWN Pin High
SHUTDOWN Pin Low
SHUTDOWN Pin Input Current
SHUTDOWN Pin Input Current
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
25
25
HARA TERISTICS
50
50
W
LT1109 • TPC02
LT1109 • TPC05
75
75
A
C
U
100
100
CE
CONDITIONS
N8, S8 Package
N8, S8 Package
N8, S8 Package, V
N8, S8 Package, V
V
SW
C
= 12V
HARA TERISTICS
130
128
126
124
122
120
118
116
114
112
110
700
600
500
400
300
200
100
0
–50
0
Oscillator Frequency
Switch Saturation Voltage
2
–25
T
A
SHUTDOWN
SHUTDOWN
C
4
= 25 C, V
6
INPUT VOLTAGE (V)
TEMPERATURE (°C)
0
8 10
= 4V
= 0V
25
IN
= 3V (LT1109CN8, LT1109CS8), unless otherwise specified.
12 14 16 18
50
I
SW
= 500mA
LT1109 • TPC03
LT1109 • TPC06
75
100
20
MIN
2.0
1.2
1.0
0.8
0.6
0.4
0.2
7
6
5
4
3
0
–50
Switch ON Time
Switch Saturation Voltage
0
TYP
V
T
1
0.1
A
IN
= 25°C
–25
= 5V
0.2
SWITCH CURRENT (A)
0.3
TEMPERATURE (°C)
0
0.4
MAX
0.8
10
10
20
0.5
25
0.6
LT1109
50
0.7
0.8
LT1109 • TPC04
LT1109 • TPC07
75
UNITS
0.9
3
100
1.0
A
V
V
A
A