LT1301I LINER [Linear Technology], LT1301I Datasheet - Page 3

• Manufacturer Part Number: LT1301I
• Description: Micropower High Efficiency 5V/12V Step-Up DC/DC Converter for Flash Memory
• Manufacturer: LINER [Linear Technology]

AC COUPLED
I
LOAD
100mV/DIV
TYPICAL PERFORMANCE CHARACTERISTICS
120mA
V
0mA
250
225
200
125
100
OUT
175
150
74
72
70
90
88
86
84
82
80
78
76
75
50
25
0
1
Saturation Voltage vs Switch Current
0 0.1
Load Transient Response of
Figure 1 Circuit
V
5V Output Efficiency
IN
T
= 3.3V
A
= 25°C
0.2 0.3 0.4 0.5 0.6 0.7
LOAD CURRENT (mA)
SWITCH CURRENT (A)
10
V
V
IN
200 s/DIV
IN
= 2.5V
= 3.3V
100
W
0.8 0.9
LT1301 G1
LT1301 G7
LT1301 G4
U
1000
1
10V/DIV
V
2V/DIV
SELECT
V
300
200
100
500
450
400
350
250
150
12V
OUT
80
70
60
50
40
30
20
10
5V
0
0
No-Load Input Current
2
Select Pin Transient Response
Total Quiescent Current
in Shutdown
C
100 LOAD
OUT
T
V
A
OUT
= 100 F, V
= 25°C
1
V
OUT
= 5V
3
2
= 12V
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
IN
= 5V
3
4
5ms/DIV
4
5
5
6
6
LT1301 G2
7
LT1301 G5
LT1301 G8
8
7
AC COUPLED
I
LOAD
100mV/DIV
10V/DIV
V
120mA
2V/DIV
SELECT
V
0mA
V
12V
OUT
OUT
20
18
16
14
12
10
5V
8
6
4
2
0
Select Pin Transient Response
Shutdown Pin Bias Current
0
Load Transient Response of
Figure 1 Circuit
C
100 LOAD
V
OUT
T
IN
A
= 5V
= 25°C
= 100 F, V
1
SHUTDOWN VOLTAGE (V)
2
IN
= 3.3V
3
200 s/DIV
5ms/DIV
4
LT1301
5
6
7
LT1300 G3
LT1301 G6
LT1301 G9
3
8