LT3505 LINER [Linear Technology], LT3505 Datasheet - Page 7

• Manufacturer Part Number: LT3505
• Description: Monolithic Dual Tracking 3A Step-Down Switching
• Manufacturer: LINER [Linear Technology]

Typical perForMance characTerisTics
3
6
5
4
1
0
2
2
Dropout Operation
LOAD = 1A
2.5
3
INPUT VOLTAGE (V)
3.5
V
OUT
= 5V
4
V
4.5
OUT
= 3.3V
FREQUENCY
5
1.5MHz
250kHz
5.5
3501 G27
6
1250
1000
1500
750
250
500
7
Inductor Value vs Frequency for
3A Maximum Load Current
V
I
RIPPLE
OUT
9
= 3.3V
= 1A
11
INPUT VOLTAGE (V)
13
L = 2.2µH
L = 3.3µH
15
L = 4.7µH
17
L = 6.8µH
19
21
23
3501 G28
25
1500
1250
1000
750
500
250
10
Inductor Value vs Frequency for
3A Maximum Load Current
12.5
L = 2.2µH
INPUT VOLTAGE (V)
15
17.5
L = 3.3µH
LT3501
L = 4.7µH
20
V
I
L = 6.8µH
L = 10µH
RIPPLE
OUT
22.5
= 5V
3501fd
= 1A
3501 G29
7
25