DC-DC Converter
QHL750 Series
Application Notes
CY8
CY9
Conducted Emissions - Class A
CASE
+S
CASE
+Vin
L3
Fuse
L1
L2
L
+Vo
-Vo
+Vout
C1
C3
C4
C5
C6
C2
C7
C8
C9
+On/Off
-On/Off
QHL750
-Vout
N
-S
Trim
VZ1
CY1
VZ2
GT2
-Vin
CY2
CY4
CY6
CY7
CY3
CY5
CASE
CASE
GT1
CY10
CY11
G
Model Number
C1
C2
C3
C4
C5
C6
C7
C8
C9
1 µF/
100 V
L3
CY1
CY2
CY3
CY4
CY5
0.68 µF/ 0.68 µF/ 0.68 µF/ 330 µF/ 330 µF/ 330 µF/ 820 µF/ 820 µF/
305 V
CY6
2200 pF 3300 pF 100 pF
220 pF
220 pF
305 V
CY7
305 V
CY8
450 V
CY9
450 V
CY10
450 V
CY11
63 V
L1
63 V
L2
QHL750300S12
330 pF
N.C.
4700 pF 3300 pF 4700 pF 4700 pF 3.8 mH
C3 C4 C5 C6 C7
3.8 mH
Short
Model Number
C1
C2
C8
C9
1 µF/
100 V
L3
CY1
CY2
CY3
CY4
CY5
0.68 µF/ 0.68 µF/ 0.68 µF/ 330 µF/ 330 µF/ 330 µF/ 820 µF/ 820 µF/
305 V
CY6
2200 pF 2200 pF
N.C.
330 pF
100 pF
305 V
CY7
305 V
450 V
450 V
450 V
63 V
63 V
L2
QHL750300S15
CY8
CY9
CY10
CY11
L1
220 pF
N.C.
4700 pF 2200 pF 4700 pF 2200 pF 3.8 mH
3.8 mH
Short
Model Number
C1
C2
C3 C4 C5 C6 C7
C8
C9
1 µF/
100 V
L3
CY1
CY2
CY3
CY4
CY5
0.68 µF/ 0.68 µF/ 0.68 µF/ 330 µF/ 330 µF/ 330 µF/ 820 µF/ 820 µF/
305 V
CY6
2200 pF 2200 pF
N.C.
330 pF
100 pF
305 V
CY7
305 V
450 V
450 V
450 V
63 V
63 V
L2
QHL750300S24
CY8
CY9
CY10
CY11
L1
220 pF
N.C.
4700 pF 100 pF 4700 pF 3300 pF 3.8 mH
3.8 mH
1 µH
Model Number
C1
C2
C3 C4 C5 C6 C7
C8
C9
1 µF/
100 V
L3
CY1
CY2
CY3
CY4
CY5
0.68 µF/ 0.68 µF/ 0.68 µF/ 330 µF/ 330 µF/ 330 µF/ 820 µF/ 820 µF/
305 V
CY6
2200 pF 3300 pF
N.C.
330 pF
N.C.
305 V
CY7
305 V
450 V
450 V
450 V
63 V
63 V
L2
QHL750300S28
CY8
CY9
CY10
CY11
L1
680 pF
150 pF 4700 pF 470 pF 4700 pF 3300 pF 3.6 mH
3.6 mH
1 µH
Model Number
C1
C2 C3 C4 C5 C6 C7
C8
C9
1 µF/
100 V
L3
CY1
CY2
CY3
CY4
CY5
0.68 µF/ 0.68 µF/ 0.68 µF/ 330 µF/ 330 µF/ 330 µF/ 820 µF/ 820 µF/
305 V
CY6
2200 pF 2200 pF
N.C.
330 pF
100 pF
305 V
305 V
450 V
450 V
450 V
63 V
63 V
L2
QHL750300S48
CY7
CY8
CY9
CY10
CY11
L1
220 pF
100 pF 4700 pF 4700 pF 4700 pF 4700 pF 3.8 mH
3.8 mH
2.2 µH
Notes
C1, C2, C3: metallized polypropylene film capacitors, C4, C5, C6, C7, C8:
aluminum capacitors C9, CY1, CY2, CY3, CY4, CY5, CY6, CY7, CY8, CY9, CY10,
CY11: ceramic capacitors.
CY1, CY2, CY3, CY4, CY5, CY6, CY7, CY8, CY9, CY10:
100 pF (MURATA KX Series DC1B3KX101MA4BN01F) or equivalent.
150 pF (MURATA KX Series DC1B3KX151MA4BN01F) or equivalent.
220 pF (MURATA KX Series DC1B3KX221MA4BN01F) or equivalent.
330 pF (MURATA KX Series DC1B3KX331MA4BN01F) or equivalent.
680 pF (MURATA KX Series DC1B3KX681MA4BN01F) or equivalent.
1000 pF (MURATA KX Series DC1B3KX102MA4BN01F) or equivalent.
2200 pF (MURATA KX Series DC1B3KX222MA4BN01F) or equivalent.
4700 pF (MURATA KX Series DC1B3KX472MA4BN01F) or equivalent.
10000 pF (TDK CS Series CS17-F2GA103MYAS) or equivalent.
1 µF/100V (TDK CGA Series CGA8N2X7R2A105K230KA) or equivalent.
C1, C2, C3: 0.68 µF/305V (FARATRONIC MKP62 Series C42Q2684M6HC000) or
equivalent.
C4, C5, C6: 330 µF/450V (NIPPON CHEMI-CON KMR Series
EKMR451VSN331MR35S) or equivalent.
C7, C8: 820 µF/63V (Rubycon ZLH Series 63ZLH820MEFC16X25) or equivalent.
L1, L2, L3:
VZ1 & VZ2: TVR10471KSV TKS
GT1 & GT2: B5G3000 BENCENT
3.6 mH (VAKOS T25*15*13 R8K Series 0.8 mm/19T) or equivalent.
3.8 mH (VAKOS T25*15*13 R8K Series 0.8 mm/20T) or equivalent.
0.56 µH (3L UPIA1004-R56M) or equivalent.
1.0 µH (3L SPI-130-50-1R0) or equivalent.
2.2 µH (Wurth Power Inductor 7443310220) or equivalent.
26 Jan 18
www.xppower.com
5秒后页面跳转
NTC热敏电阻与PTC热敏电阻的应用原理及应用范围
GTO与普通晶闸管相比为什么可以自关断？为什么普通晶闸管不能呢？从GTO原理、应用范围带你了解原因及推荐型号
LF353数据手册解读：特性、应用、封装、引脚说明、电气参数及替换型号推荐
A4950资料手册解读：特性、应用、封装、引脚功能、电气参数及代换型号
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
