參數(shù)資料
型號(hào): AN-30
英文描述: TOPSwitch-GX Forward Design Methodology
中文描述: 的TOPSwitch - GX系列正向設(shè)計(jì)方法
文件頁數(shù): 7/40頁
文件大?。?/td> 311K
代理商: AN-30
AN-30
7
B
12/02
1. Establish system requirements
(specifications & output topology)
15. Calculate component values for
external DC
MAX
reduction
2. Set inductor current ripple
Review requirements
Check assumptions
Adjust design parameters
Construct hardware prototype
Evaluate thoroughly on bench
Determine limits of operation
Operation within
TOPSwitch-GX
guidelines
Operation within
TOPSwitch-GX
guidelines
14. Inductor size
satisfactory
Is performance satisfactory
16. Calculate resistor values for
optional external UVLO circuit
17. Choose components for
clamp circuit
Design complete
18. Choose components for
feedback circuit
PI-2831-020502
3. Calculate transformer turns ratios
4. Estimate primary current
5. Choose
TOPSwitch-GX
6. Design transformer
No
No
Yes
Yes
No
No
7. Check peak primary current
8. Determine input capacitance
9. Calculate stress on rectifiers
10. Calculate RMS ripple current in
output capacitors
11. Calculate parameters for
coupled inductor
12. Calculate inductance for
independent outputs
13. Calculate output inductance for
magnetic amplifier
Yes
Yes
Figure 5. Expanded Flow Chart Showing Detailed Steps in Forward Design Methodology.
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