LT1107 Linear Technology, LT1107 Datasheet - Page 4

• Manufacturer Part Number: LT1107
• Description: Micropower DC/DC Converter Adjustable and Fixed 5V/ 12V
• Manufacturer: Linear Technology

LT1107
TYPICAL PERFOR
4
400
350
300
250
200
150
100
1.2
1.0
0.8
0.6
0.4
0.2
16
15
14
13
12
11
10
0
9
8
7
6
–55
–55
0
Saturation Voltage, Step-Up Mode
(SW2 Pin Grounded)
Quiescent Current
Switch ON Time
Step-Up Mode
–35
–35
0.2
–15
–15
SWITCH CURRENT (A)
TEMPERATURE (°C)
TEMPERATURE (°C)
0.4
5
5
V
25
25
IN
0.6
V
= 2V
IN
45
45
= 3V
0.8
65
65
W
85 105
85 105
V
1.0
IN
A
= 5V
1107 G05
1107 G08
1107 G01
U
1.2
125
125
CE
C
HARA TERISTICS
400
380
360
340
320
300
280
260
240
220
200
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
85
80
75
70
65
60
55
50
45
–55
0
Quiescent Current
0
Duty Cycle
Step-Up Mode
Switch ON Voltage, Step-Down
Mode (SW1 Pin Connected to V
T
–35
A
3
0.1
= 25°C
–15
C
6
0.2
SWITCH CURRENT (A)
9
INPUT VOLTAGE (V)
TEMPERATURE (°C)
5
0.3
12
25
0.4
15
45
18
0.5
65
21
0.6
85 105
24
0.7
1107 G09
27
1107 G02
1107 G06
IN
)
125
0.8
30
100
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
13
12
11
10
9
8
7
6
5
–55
–55
10
Oscillator Frequency
Switch ON Time
Step-Down Mode
Maximum Switch Current vs R
–35
–35
STEP-DOWN
V
–15
–15
IN
= 12V
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
STEP-UP
2V V
R
25
25
LIM
100
( )
45
45
IN
5V
65
65
85 105
85 105
1107 G07
1107 G03
1107 G10
LIM
1000
125
125