參數(shù)資料
型號: MR2920
廠商: Shindengen Electric Manufacturing Company, Ltd.
英文描述: Provision for Standby mode operation Partial Resonance Power Supply IC Module
中文描述: 撥備待機(jī)模式操作局部共振電源IC模塊
文件頁數(shù): 16/19頁
文件大?。?/td> 226K
代理商: MR2920
Shindengen Electric MFG.CO.,LTD
- 16 -
5.3.4 Calculation of Number of Turns in Secondary Coil (N
S1
)
Calculation assumes t
q
=2.5
μ
s.
5.3.5 Verification of Resonance Time (t
q
)
If the calculated value
differs, change t
q
and
recalculate.
5.3.6 Calculation of Number of Turns in Secondary Coils (N
S2
, N
S3
)
5.3.7 Calculation of Number of Turns in Control Coil (N
C
)
For ease of handling, a
0.2mm dia. wire is
recommended for the
control coil.
The number of turns in the secondary coil is calculated using equation 13 in 5.2.2.
on(max)
t
DC(min)
V
q
on(max)
t
(min)
f
×
P
F1
O1
S1
)
t
1
(
N
)
V
(V
N
×
×
+
=
31
30.73
10
×
22.13
108
)
10
×
2.5
10
×
22.13
10
×
29.6
1
(
59
1)
+
(135
6
6
6
3
=
×
×
×
=
Turn
The number of turns in the secondary coil is therefore N
S1
=31.
The calculation above assumes a resonance period (t
q
) of 2.5
μ
s.
This calculation verifies the effectiveness of this value in terms of L
P
and the resonance
condenser C
q
(C108) as previously calculated.
2.53
2
10
×
1000
×
10
×
0.65
2
π
2
C
L
2
π
t
12
3
g
P
q
=
=
×
=
[μ
s
Conditions are therefore satisfied.
Note that the calculation assumes a resonance condenser C
q
of 1000pF.
The numbers of turns N
S2
and N
S3
in the secondary coils are calculated using equation 14 in
5.2.2.
+
×
=
+
+
×
=
+
The numbers of turns in the secondary coils are N
S2
=8 and N
S3
=4.
8
8.20
1
135
1
+
35
31
V
V
V
V
N
N
F1
O1
F2
O2
S1
S2
=
+
×
=
Turn
4
3.78
1
135
0.6
+
16
31
V
V
V
V
N
N
F1
O1
F3
O3
S1
S3
=
+
×
=
Turn
A value of between 15V and 17V is optimum for V
cc
.
This design assumes V
cc
=16V, and the number of turns in the control coil is calculated using
equation 15 in 5.2.2.
+
×
=
+
4
3.88
1
135
1
+
16
31
V
V
V
V
N
N
F1
O1
FNC
NC
S1
C
=
+
×
=
Turn
相關(guān)PDF資料
PDF描述
MR2940 Provision for Standby mode operation Partial Resonance Power Supply IC Module
MS52C181A 131,072-Word × 8-Bit STATIC RAM +1,048,576-Word × 8-Bit One Time PROM(128k字×8位靜態(tài)RAM+1M字×8位 OTPROM)
MS52C182A 65,536-Word × 16-Bit or 131,072-Word × 8-Bit STATIC RAM +524,288-Word × 16-Bit or 1,048,576-Word × 8-Bit One Time PROM(64k字×16位或128k字×8位靜態(tài)RAM+512k字×16位或1M字×8位 OTPROM)
MS81V06160 (401,408-word ⅴ 16-bit) FIFO memory
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