LTC1514-5 Linear Technology, LTC1514-5 Datasheet - Page 3

• Manufacturer Part Number: LTC1514-5
• Description: Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator
• Manufacturer: Linear Technology

TYPICAL PERFORMANCE CHARACTERISTICS
100
250
200
150
100
100
80
60
40
20
50
80
60
40
20
0
0
0.01
LTC1514-3.3
Efficiency vs Output Current
LTC1514-5 Output Voltage Ripple
vs Input Voltage
0
LTC1514-3.3
Efficiency vs Input Voltage
0
V
T
V
I
T
OUT
A
OUT
A
OUT
= 25 C
= 25 C
= 10mA
= 3.3V
= 5V
2
2
0.1
OUTPUT CURRENT (mA)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
C
4
4
OUT
1
= 22 F
V
6
6
V
V
IN
IN
V
IN
C
IN
OUT
= 2V
V
I
T
= 4.4V
= 2.7V
C
OUT
= 6V
OUT
A
OUT
10
= 25 C
W
= 10 F
8
= 10mA
8
= 3.3V
= 47 F
1514 G01
1514 G04
1514 G07
U
100
10
10
3.45
3.40
3.35
3.30
3.25
3.20
100
100
80
60
40
20
80
60
40
20
0
0.01
LTC1514-3.3 Output Voltage
vs Input Voltage
0
LTC1514-5
Efficiency vs Input Voltage
2
LTC1514-5
Efficiency vs Output Current
V
T
V
C
T
A
OUT
A
OUT
OUT
= 25 C
= 25 C
= 5V
= 3.3V
= 10 F
2
4
0.1
OUTPUT CURRENT (mA)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
V
IN
4
6
= 2.7V
1
6
8
V
V
IN
V
V
I
T
IN
IN
OUT
OUT
A
= 3.3V
10
= 8V
= 25 C
= 6V
10
= 10mA
8
= 5V
1514 G02
1514 G05
1514 G08
LTC1514-3.3/LTC1514-5
100
10
12
250
200
150
100
120
100
50
80
60
40
20
25
20
15
10
0
5
0
0
0
LTC1514-3.3 Output Voltage
Ripple vs Input Voltage
LTC1514-5 Operating Current
vs Input Voltage
0
LTC1514-X Shutdown Supply
Current vs Input Voltage
V
I
T
V
I
SHDN = 0V
OUT
OUT
A
OUT
OUT
= 25 C
= 10mA
= 0mA
= 3.3V
= 5V
2
2
2
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
25 C
4
4
4
25 C
C
OUT
–40 C
= 10 F
6
6
6
–40 C
85 C
C
85 C
OUT
C
OUT
= 47 F
8
8
8
= 22 F
1514 G03
1514 G06
1514 G09
3
10
10
10