參數(shù)資料
型號(hào)： AN-16
英文描述： TOPSwitch Flyback Design Methodology
中文描述： TOPSwitch的反激式設(shè)計(jì)方法
文件頁(yè)數(shù)： 6/32頁(yè)
文件大?。?/td> 247K
代理商： AN-16
AN-16
A
6/96
6
Step 3.
Determine input storage capacitor C
IN
and minimum DC input voltage V
MIN
based on input voltage and P
O
:
Set bridge rectifier conduction time, t
= 3 mS
Choose input storage capacitor, C
, per Table 3
Derive minimum DC input voltage, V
MIN
(B12)
(B13)
(D33)
Step 4.
Determine reflected output voltage V
OR
and clamp Zener voltage V
CLO
based on input voltage:
Set V
OR
based on input voltages per Table 4
(B16)
Note : V
CLO
is to be used in Step 25 for clamp Zener selection
Step 5.
Determine D
MAX
based on V
MIN
and V
OR
:
Set
TOPSwitch
Drain to Source voltage, V
= 10 V
Determine maximum duty cycle at low line, D
MAX
(B17)
(D37)
Step 6.
Set value for primary ripple current I
R
to primary peak current I
P
ratio, K
RP
:
Starting with: K
= 0.4 for 100/115 VAC or universal input
0.6 for 230 VAC
K
RP
must be kept within the range specified in Table 5 throughout iteration
(B20)
Table 3
V
MIN
(V)
≥
90
≥
90
≥
240
Input (VAC)
100/115
Universal
230
C
IN
(
μ
F/Watt of P
O
)
2~3
2~3
1
Input (VAC)
100/115
Universal
230
Table 4
Minimum
(Most Continuous)
0.4
0.4
0.6
Table 5
Input (VAC)
100/115
Universal
230
Maximum
(Discontinuous)
1.0
1.0
1.0
K
RP
V
OR
(V)
60
135
135
V
CLO
(V)
90
200
200
相關(guān)PDF資料
PDF描述
AN-17 Flyback Transformer Design for TOPSwitch Power Supplies
AN-18 TOPSwitch Flyback Transformer Construction Guide
AN-19 TOPSwitch Flyback Power Supply Efficiency
AN-20 Transient Suppression Techniques for TOPSwitch Power Supplies
AN-22 OBSOLETE when inventory is depleted. 10% tolerance no l
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