DC-DC Converter
QHL600 Series
Application Notes
CY3
CY5
Conducted and Radiated Emissions - Class A
CASE
+S
CASE
+Vin
Fuse
L1
L2
L
+Vo
-Vo
+Vout
C1
C2
C3
C4
C6
+On/Off
-On/Off
QHL600
-Vout
N
-S
Trim
VZ1
CY1
VZ2
GT2
-Vin
CY2
CASE
CASE
GT1
CY4
CY6
G
Model Number
C1
0.68 µF/ 0.68 µF/ 150 µF/
305 V 305 V 450 V
C2
C3
C4
1 µF/
100 V
C5
N/C
C6
820 µF/
63 V
CY1
CY2
CY3
CY4
CY5
CY6
L1
L2
QHL600300S12, 24, 48
2200 pF 3300 pF 4700 pF 4700 pF 3300 pF 4700 pF 3.8 mH
3.8 mH
Notes
C1, C2, C3: metallized polypropylene film capacitors
L1, L2, L3:
3.8 mH (VAKOS T25*15*13 R8K Series 0.8 mm/20T) or equivalent.
C6: aluminum capacitor
CY1, CY2, CY3, CY4, CY5, CY6:
C9, CY1, CY2, CY3, CY4, CY5, CY6: ceramic capacitors.
2200 pF (MURATA KX Series DC1B3KX222MA4BN01F) or equivalent.
3300 pF (MURATA KX Series DC1B3KX332MA4BN01F) or equivalent.
4700 pF (MURATA KX Series DC1B3KX472MA4BN01F) or equivalent.
10000 pF (TDK CS Series CS17-F2GA103MYAS) or equivalent.
C1, C2: 0.68 µF/305V (FARATRONIC MKP62 Series C42Q2684M6HC000) or
equivalent.
C3: 150 µF/450V (NIPPON CHEMI-CON KMR Series EKMR451VSN331MR35S) or
equivalent.
VZ1 & VZ2: TVR10471KSV TKS
GT1 & GT2: B5G3000 BENCENT
C4: 1 µF/100 V SMD 1210 (TDK CGA Series CGA8N2X7R2A105K230KA) or
equivalent.
C6: 820 µF/63V (Rubycon ZLH Series 63ZLH820MEFC16X25) or equivalent.
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11 Dec 17