LT3570EFE-PBF LINER [Linear Technology], LT3570EFE-PBF Datasheet - Page 6

• Manufacturer Part Number: LT3570EFE-PBF
• Description: 1.5A Buck Converter, 1.5A Boost Converter and LDO Controller
• Manufacturer: LINER [Linear Technology]

LT3570
TYPICAL PERFORMANCE CHARACTERISTICS
6
3.0
2.5
2.0
1.5
1.0
0.5
30
25
20
15
10
0
5
0
0
BOOST Pin Current
vs Switch Current
0
SW2 Current Limit vs Duty Cycle
10
20
0.2
30
T
J
DUTY CYCLE (%)
= –40°C
CURRENT (A)
40
0.4
T
J
50
= 25°C
60
0.6
T
J
70
= 125°C
T
T
T
80
0.8
J
J
J
= 125°C
= 25°C
= –40°C
90
3570 G12
3570 G14
100
1.0
350
300
250
200
150
100
50
14
12
18
16
10
0
8
6
4
2
0
1
0
SW2 Saturation Voltage
vs SW2 Current
NPN_DRV Output Current vs V
0.1
5
0.2 0.3
10
T
J
= 25°C
15
CURRENT (A)
VOLTAGE (V)
0.4
0.5
20
0.6
25
0.7
T
J
T
= –40°C
30
T
T
T
J
0.8
J
J
J
= 125°C
= 125°C
= 25°C
= –40°C
35
0.9 1.0
IN3
3570 G13
3570 G15
40
3570fa