lt3470a Linear Technology Corporation, lt3470a Datasheet - Page 6

• Manufacturer Part Number: lt3470a
• Description: Micropower Buck Regulator With Integrated Boost And Catch Diodes
• Manufacturer: Linear Technology Corporation

LT3470A
TYPICAL PERFORMANCE CHARACTERISTICS
6
700
600
400
200
100
500
300
6.0
5.5
5.0
4.5
4.0
3.5
3.0
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
Switch V
Catch Diode Forward Voltage
Minimum Input Voltage, V
T
A
= 25°C
V
IN
100
50
CATCH DIODE CURRENT (mA)
TO RUN/START
100
SWITCH CURRENT (mA)
CESAT
LOAD CURRENT (mA)
200
100
200
300
150
300
200
400
OUT
3470a G18
3470a G14
3470a G16
= 3.3V
250
400
500
600
800
700
500
400
300
200
100
900
14
12
10
8
4
2
0
0
6
5
4
6
8
7
0
0
0
Boost Diode Forward Voltage
Minimum Input Voltage, V
BOOST Pin Current
T
A
= 25°C
V
100
50
BOOST DIODE CURRENT (mA)
IN
T
50
A
TO RUN/START
SWITCH CURRENT (mA)
LOAD CURRENT (mA)
= 25°C unless otherwise noted.
200
100
100
300
150
150
400
200
OUT
3470a G15
3470a G17
3470a G19
= 5V
500
200
250
3470af