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参数资料
| 型号： | 12S5.7000CD |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 35 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 3/3页 |
| 文件大小： | 86K |
| 代理商： | 12S5.7000CD |
A
35 Watt CD Single Series DC/DC Converters
2401 Stanwell Drive Concord, California 94520 Ph: 925/687-4411 or 800/542-3355 Fax: 925/687-3333 www.calex.com Email: sales@calex.com
3
3/2001
LOW NOISE INPUT CIRCUIT
Adding L1 and C4 to C1, C2, and C3 will reduce the input
reflected ripple current. Increasing L1 will further lower the
input reflected ripple current. Size L1 to handle the DC input
current.
Adding the optional L2 and C5 filter will lower the input
reflected ripple current even further. Size L2 to handle the DC
input current.
C1, C2, C3:
United Chemi-Con LXF25VB222M18X20LL
2200 F, 25V, ESR=0.038 ohms,
Ripple Current 1.75A @ +105C, 3.0A @ +85C.
For higher input voltages use for
C1, C2, C3:
United Chemi-Con LXF50VB821M18X20LL
820 F, 50V, ESR=0.050 ohms,
Ripple Current 1.52A @ +105C, 2.63A @ +85C.
C4, C5:
United Chemi-Con LXF50VB180M5X11.5LL
18 F, 50V, 1.2 ohms,
129mA @ +105C, 229mA @ +85C.
L1, L2:
20 H. Rated at 12ADC.
Coilcraft DMT2-20-12
Fuse:
15Amp standard blow.
Bel Fuse 3AG15.
Blows at 120 milliseconds with 5x current.
Notes:
1.
L2 and C5 are optional. Use to further reduce reflected
ripple current.
2.
Equivalent parts can be used.
Figure 1. Ouput Derating
Figure 2. Input Filter and Fuse
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