DC1597A Linear Technology, DC1597A Datasheet - Page 9

• Manufacturer Part Number: DC1597A
• Description: BOARD EVAL LTM8031
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1597A

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 1A
• Voltage - Input: 5 ~ 36 V
• Regulator Topology: Buck
• Frequency - Switching: 750kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM8031
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -

APPLICATIONS INFORMATION
Table 1. Recommended Component Values and Confi guration (See Typical Performance Characteristics for Load Conditions)
Note: An input bulk capacitor is required.
4.75V to 36V
10.5V to 36V
4.75V to 15V
10.5V to 15V
10.5V to 24V
3.6V to 36V
3.6V to 36V
3.6V to 36V
3.6V to 36V
3.6V to 36V
6.8V to 36V
3.6V to 15V
3.6V to 15V
3.6V to 15V
3.6V to 15V
3.6V to 15V
6.8V to 15V
13V to 36V
13V to 24V
9V to 24V
9V to 24V
9V to 24V
9V to 24V
9V to 24V
9V to 24V
9V to 24V
V
IN
10.00V
10.00V
0.82V
1.20V
1.80V
2.00V
2.50V
3.30V
5.00V
8.00V
0.82V
1.20V
1.80V
2.00V
2.50V
3.30V
5.00V
8.00V
0.82V
1.20V
1.80V
2.00V
2.50V
3.30V
5.00V
8.00V
V
OUT
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
C
IN
100μF//47μF 1206 6.3V
100μF//47μF 1206 6.3V
2 × 100μF 1206 6.3V
2 × 100μF 1206 6.3V
2 × 100μF 1206 6.3V
100μF 1206 6.3V
47μF 0805 6.3V
22μF 1206 6.3V
10μF 1206 6.3V
4.7μF 1206 10V
4.7μF 0805 16V
47μF 0805 6.3V
22μF 1206 6.3V
10μF 1206 6.3V
4.7μF 1206 10V
47μF 0805 6.3V
22μF 1206 6.3V
10μF 1206 6.3V
4.7μF 1206 10V
4.7μF 0805 16V
100μF 1206
100μF 1206
100μF 1206
100μF 1206
100μF 1206
100μF 1206
C
OUT
5.11M
5.11M
5.11M
78.7k
46.4k
26.7k
21.0k
78.7k
46.4k
26.7k
78.7k
46.4k
26.7k
21.0k
R
475k
191k
162k
115k
475k
191k
162k
115k
475k
191k
162k
115k
ADJ
≥2.8V, <25V
≥2.8V, <25V
≥2.8V, <25V
≥2.8V, <25V
≥2.8V, <25V
≥2.8V, <25V
≥2.8V, <25V
≥2.8V, <25V
≥2.8V, <25V
≥2.8V, <25V
BIAS
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
V
V
V
V
V
IN
IN
IN
IN
IN
1200kHz
1250kHz
1150kHz
1200kHz
1150kHz
1200kHz
1250kHz
f
250kHz
300kHz
420kHz
450kHz
550kHz
675kHz
975kHz
500kHz
600kHz
650kHz
650kHz
700kHz
950kHz
350kHz
450kHz
600kHz
650kHz
700kHz
950kHz
OPTIMAL
R
T(OPTIMAL)
84.5k
78.7k
61.9k
48.7k
29.4k
23.7k
22.6k
69.8k
56.2k
51.1k
51.1k
47.5k
32.4k
25.5k
23.7k
78.7k
56.2k
51.1k
47.5k
32.4k
25.5k
23.7k
22.6k
150k
124k
105k
1000kHz
1600kHz
2050kHz
1000kHz
1100kHz
1350kHz
1650kHz
2400kHz
2400kHz
1050kHz
1550kHz
2400kHz
2400kHz
250kHz
325kHz
450kHz
475kHz
575kHz
725kHz
600kHz
750kHz
375kHz
475kHz
650kHz
700kHz
850kHz
LTM8031
f
MAX
R
78.7k
73.2k
59.0k
44.2k
28.0k
15.8k
10.5k
56.2k
42.2k
28.0k
26.7k
20.5k
15.0k
7.87k
7.87k
93.1k
73.2k
51.1k
47.5k
37.4k
28.0k
16.5k
7.87k
7.87k
150k
113k
T(MIN)
8031fa
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