DC1379A Linear Technology, DC1379A Datasheet - Page 11

• Manufacturer Part Number: DC1379A
• Description: BOARD EVAL LTM8025
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1379A

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 3A
• Voltage - Input: 5.5 V ~ 36 V
• Regulator Topology: Buck
• Frequency - Switching: 250kHz ~ 2MHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM8025
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -

APPLICATIONS INFORMATION
Table 1: Recommended Component Values and Confi guration (T
Note: An input bulk capacitance is required. Do not allow V
10.5V to 36V
10.5V to 15V
10.5V to 24V
4.75V to 32V
3.6V to 36V
3.6V to 36V
3.6V to 36V
3.6V to 36V
3.6V to 36V
4.1V to 36V
5.3V to 36V
7.5V to 36V
3.6V to 15V
3.6V to 15V
3.6V to 15V
3.6V to 15V
3.6V to 15V
4.1V to 15V
5.3V to 15V
7.5V to 15V
16V to 36V
23V to 36V
31V to 36V
16V to 24V
23V to 24V
18V to 36V
18V to 36V
18V to 36V
18V to 36V
18V to 36V
18V to 36V
18V to 36V
18V to 36V
18V to 36V
18V to 36V
15V to 28V
20V to 24V
9V to 24V
9V to 24V
9V to 24V
9V to 24V
9V to 24V
9V to 24V
9V to 24V
9V to 24V
7V to 31V
V
IN
–3.3V
V
–12V
0.8V
1.2V
1.5V
1.8V
2.5V
3.3V
0.8V
1.2V
1.5V
1.8V
2.5V
3.3V
0.8V
1.2V
1.5V
1.8V
2.5V
3.3V
0.8V
1.2V
1.5V
1.8V
2.5V
3.3V
12V
18V
24V
12V
18V
12V
–5V
–8V
1V
5V
8V
1V
5V
8V
1V
5V
8V
1V
5V
8V
OUT
2.2μV, 25V, 1206
4.7μF , 50V, 1206
4.7μF , 50V, 1206
4.7μF , 50V, 1206
4.7μF , 50V, 1206
2.2μF , 50V, 1206
2.2μF , 50V, 1206
4.7μF , 16V, 1206
4.7μF , 16V, 1206
4.7μF , 16V, 1206
4.7μF , 25V, 1206
4.7μF , 25V, 1206
4.7μF , 25V, 1206
4.7μF , 25V, 1206
4.7μF , 25V, 1206
4.7μF , 25V, 1206
4.7μF , 25V, 1206
4.7μF , 25V, 1206
2.2μF , 25V, 1206
2.2μF , 50V, 1206
2.2μF , 50V, 1206
2.2μF , 50V, 1206
2.2μF , 50V, 1206
4.7μF , 50V, 1206
4.7μF , 50V, 1206
4.7μF , 50V, 1206
4.7μF , 50V, 1206
10μF , 50V, 1210
10μF , 50V, 1210
10μF , 50V, 1210
10μF , 50V, 1210
10μF , 50V, 1210
10μF , 25V, 1210
10μF , 25V, 1210
10μF , 25V, 1210
10μF , 25V, 1210
10μF , 25V, 1210
1μF , 50V, 1206
1μF , 50V, 1206
1μF , 50V, 1206
1μF , 50V, 1206
1μF , 50V, 1206
1μF , 50V, 1206
1μF , 50V, 1206
1μF , 50V, 1206
1μF , 50V, 1206
C
IN
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
3× 100μF , 6.3V, 1210
2× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
2× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
3× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
4× 100μF , 6.3V, 1210
3× 100μF , 6.3V, 1210
100μF , 6.3V, 1210
100μF , 6.3V, 1206
100μF , 6.3V, 1206
100μF , 6.3V, 1206
100μF , 6.3V, 1206
100μF , 6.3V, 1206
100μF , 6.3V, 1206
100μF , 6.3V, 1206
100μF , 6.3V, 1210
100μF , 6.3V, 1210
47μF , 16V, 1210
22μF , 16V, 1210
22μF , 25V, 1812
22μF , 25V, 1812
47μF , 16V, 1210
47μF , 16V, 1210
22μF , 16V, 1210
22μF , 16V, 1210
22μF , 25V, 1812
47μF , 16V, 1210
22μF , 16V, 1210
22μF , 16V, 1210
47μF , 16V, 1210
22μF , 16V, 1210
IN
C
+ BIAS to exceed 56V. Refer to the Typical Performance Characteristics section for load conditions.
OUT
A
1.87M
1.87M
1.87M
1.87M
93.1k
54.9k
34.8k
22.6k
16.5k
93.1k
54.9k
93.1k
54.9k
34.8k
22.6k
93.1k
54.9k
34.8k
93.1k
54.9k
34.8k
Open
Open
Open
Open
R
953k
549k
383k
226k
154k
953k
549k
383k
226k
154k
953k
549k
383k
226k
154k
953k
549k
383k
226k
154k
154k
= 25°C)
ADJ
2.8V to 25V
2.8V to 25V
2.8V to 25V
2.8V to 25V
2.8V to 25V
2.8V to 25V
2.8V to 25V
2.8V to 25V
2.8V to 25V
2.8V to 25V
2.8V to 25V
2.8V to 25V
2.8V to 25V
BIAS
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
f
230kHz
240kHz
255kHz
270kHz
285kHz
300kHz
345kHz
425kHz
550kHz
760kHz
800kHz
230kHz
240kHz
255kHz
270kHz
285kHz
300kHz
345kHz
425kHz
550kHz
270kHz
285kHz
295kHz
310kHz
330kHz
345kHz
425kHz
500kHz
590kHz
760kHz
800kHz
230kHz
240kHz
255kHz
270kHz
300kHz
345kHz
385kHz
500kHz
550kHz
760kHz
345kHz
425kHz
550kHz
760kHz
OPTIMAL
1MHz
R
T(OPTIMAL)
93.1k
69.8k
47.5k
44.2k
93.1k
69.8k
93.1k
76.8k
64.9k
47.5k
44.2k
76.8k
69.8k
47.5k
93.1k
69.8k
47.5k
182k
174k
162k
154k
147k
137k
118k
182k
174k
162k
154k
147k
137k
118k
154k
147k
140k
133k
124k
118k
182k
174k
162k
154k
137k
118k
105k
118k
34k
LTM8025
1.45MHz
1.45MHz
1.45MHz
250kHz
285kHz
315kHz
360kHz
420kHz
540kHz
675kHz
950kHz
2.3MHz
2.4MHz
2.4MHz
575kHz
660kHz
760kHz
840kHz
1.0MHz
1.3MHz
1.6MHz
2.4MHz
2.4MHz
360kHz
410kHz
475kHz
550kHz
620kHz
800kHz
1.4MHz
2.2MHz
2.3MHz
2.4MHz
250kHz
285kHz
315kHz
360kHz
420kHz
540kHz
675kHz
950kHz
2.3MHz
675kHz
950kHz
2.3MHz
1MHz
f
MAX
11
R
95.3k
71.5k
54.9k
36.5k
20.5k
9.09k
8.25k
8.25k
66.5k
56.2k
47.5k
42.2k
23.7k
17.8k
8.25k
8.25k
97.6k
82.5k
69.8k
60.4k
44.2k
21.5k
9.76k
9.09k
8.25k
95.3k
71.5k
54.9k
36.5k
20.5k
9.09k
54.9k
36.5k
20.5k
9.09k
169k
147k
130k
113k
113k
169k
147k
130k
113k
T(MIN)
34k
34k
8025fa