文档介绍: ּ DC/DC ঠ
ֽEF
ঠ
L2
F L1 D1
Vin+ Vin+ Vo1+
C4
C2 C3
Vin - C1 D2
Vin - GND
REM
MMBT4401
10K @
A NPN B
A ౧C
ঠᇗ
A ֧
D1 nj౧ၖ MBR20100
C1 C2 ᇗˣC3 C4 ᇗ
L1 ᇗˣ L2 ᇗ
D2 ᇗˣ!݉#nj౧$F %&౧
'(Ϥ* +པɢ
./
ᇗˣ0 D2 C1 C2 ᇗ0 C3 C4 L1 L2
9-18VDC P6KE20A -12VDC 10uF/ 16V
18-36VDC P6KE39A 1uF/100V 15VDC
20-200uH
36-72VDC P6KE75A 1uF/100V 24VDC 1uF/100V
72-144VDC P6KE 150A 48VDC 1uF/100V
1 L1 L2 12ޖᇗˣ4ᇗऋ6789: 6ऋ.
2 L1 L2 12ޖᇗˣ4ᇗ06789:6;
AC/DC ঠּ
ֽEF
ঠ
L L
ᇗˣ Vo1+ +
N-
N- C5 C6
FG GND
FG
C5 <./
C6 =>?+པ.
.nj
ᇗ0 ᇗ=+པɢ
Vo 1W<P<5W 5W<P<10W 10W<P<15W 15W<P<25W
-5VDC 330uF/10V 470uF/10V 1000uF/10V 2200uF/10V
6-15VDC 220uF/25V 330uF/2 5V 470uF/25V 1000uF/25V
16-24VDC 100uF/35V 220uF/35V 330uF/35V 470uF/35V
25-48VDC 47uF/63V 100uF/63V 220uF/63V 330uF/63V
౧Ȓ
REM ሟH
$ঠȩSɶࡘVȒ
O˫Q̕ڣȒJKL6
WXYZ[࡚ͩ^_ REM `ᇗˣa0Aγ Vin -Cc,
ᇗA<
h 4`ᇗˣ࡙0Aγ Vin +Ccڐ deּFC KZ[࡚ͩ^_ REM
jᇗ$
FG ঠk
Ȓ_ FG ౧l̤=k(j6Ȓ
TRIM ᇗ0n༐
Ȓ=/pȉrA10KC_ȉrstJᇗnutJ TRIM (v
'nuᇗ0Avnu6wx +10%C8zঠj+S <-S tȉrs
tJ+S <-S (6|z[}~Jᇗt[3
Vo1+ +S
ঠঠ
10KΩ
GND TRIM
TRIM 10KΩ
-S
+S -S
v'_+S -S ౧l̤ၠȩၠލj
Ȓ