LT3470 LINEAR [Linear Integrated Systems], LT3470 Datasheet - Page 5

• Manufacturer Part Number: LT3470
• Description: Micropower Buck Regulator with Integrated Boost and Catch Diodes
• Manufacturer: LINEAR [Linear Integrated Systems]

TYPICAL PERFOR A CE CHARACTERISTICS
15
25
20
10
0
5
–50 –25
Diode Leakage (V
vs Temperature
BOOST
CATCH
0
TEMPERATURE (°C)
6.0
5.5
5.0
4.5
4.0
3.5
3.0
1.0
0.8
0.6
0.4
0.2
25
0
0
0
Catch Diode Forward Voltage
Minimum Input Voltage, V
T
A
R
50
= 25°C
= 36V)
CATCH DIODE CURRENT (mA)
100
75
50
LOAD CURRENT (mA)
W
V
100
V
IN
IN
3470 G13
TO START
TO RUN
100
200
U
125
300
150
OUT
700
200
100
600
500
400
300
0
3470 G18
3470 G16
= 3.3V
0
Switch V
200
400
100
SWITCH CURRENT (mA)
CESAT
200
300
700
600
400
300
900
800
500
200
100
0
5
4
8
7
6
0
0
3470 G14
Boost Diode Forward Voltage
Minimum Input Voltage, V
T
A
= 25°C
400
BOOST DIODE CURRENT (mA)
50
50
LOAD CURRENT (mA)
V
V
IN
IN
14
12
10
2
0
TO START
8
6
4
100
TO RUN
100
0
BOOST Pin Current
100
150
150
SWITCH CURRENT (mA)
OUT
3470 G17
= 5V
3470 G19
200
200
200
LT3470
300
3470 G15
5
3470f
400