LTM4609 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTM4609' PDF : 24 Pages View PDF
Applications Information
Table 3. Typical Components (Æ’ = 400kHz) Continued
VIN
VOUT
(V)
(V)
RSENSE
(0.5W RATING)
Inductor
(µH)
CIN
(CERAMIC)
5
30
2 × 16mΩ 0.5W
3.3
NONE
12
30
2 × 14mΩ 0.5W
4.7
NONE
32
30
1 × 12mΩ 0.5W
2.5
2 × 10µF 50V
36
30
1 × 13mΩ 0.5W
4.7
2 × 10µF 50V
5
34
2 × 18mΩ 0.5W
3.3
NONE
12
34
2 × 16mΩ 0.5W
4.7
NONE
24
34
1 × 12mΩ 0.5W
5.6
NONE
36
34
1 × 12mΩ 0.5W
2.5
2 × 10µF 50V
CIN
(BULK)
150µF 50V
150µF 50V
150µF 50V
150µF 50V
150µF 50V
150µF 50V
150µF 50V
150µF 50V
LTM4609
COUT1
(CERAMIC)
4 × 22µF 50V
4 × 22µF 50V
2 × 22µF 50V
2 × 22µF 50V
4 × 22µF 50V
4 × 22µF 50V
4 × 22µF 50V
2 × 22µF 50V
COUT2
(BULK)
2 × 150µF 50V
2 × 150µF 50V
2 × 150µF 50V
2 × 150µF 50V
2 × 150µF 50V
2 × 150µF 50V
2 × 150µF 50V
2 × 150µF 50V
IOUT(MAX)*
(A)
1.3
3
8
8
1
3
5
8
INDUCTOR MANUFACTURER
Sumida
Toko
WEBSITE
www.sumida.com
www.toko.com
PHONE NUMBER
408-321-9660
847-297-0070
SENSING RESISTOR MANUFACTURER WEBSITE
PHONE NUMBER
Panasonic
www.panasonic.com/industrial/components
949-462-1816
KOA
www.koaspeer.com
814-362-5536
Vishay
www.vishay.com
800-433-5700
*Maximum load current is based on the Linear Technology DC1198A at room temperature with natural convection. Poor board layout design may
decrease the maximum load current.
Typical Applications (Power Loss includes all external components)
7
6
5
4
3
2
1
5VIN TO 16VOUT
5VIN TO 30VOUT
0
0
1
2
3
LOAD CURRENT (A)
4609 F05
Figure 5. Boost Mode Operation
7
32VIN TO 12VOUT
6
36VIN TO 20VOUT
5
4
3
2
1
0
0123456789
LOAD CURRENT (A)
4609 F06
Figure 6. Buck Mode Operation
For more information www.linear.com/LTM4609
4609ff
17
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