Applications Manual for TUNS300/500/700
1. Pin Assignment
Pin Assignment
2. Connection for Standard Use
Connection for standard use
Input fuse
:
F11
Input capacitor
:
C11
Y capacitors and noise filters
:
CY,CX,L1
Output capacitors
:
Co,C40
Smoothing capacitor for boost voltage
:
Cbc
Capacitor for boost voltage
:
C20,C30
Inrush current limiting resistor
:
TFR1
Discharging resistor
:
R1
3. Derating
Output current derating
Input voltage derating
4.Output voltage adjustment
Output voltage adjustment
Output voltage adjustment by potentiometer
Output voltage adjustment by external voltage
5. Parallel operation (option :-P)
Parallel operation
6. Operation under low temperature conditions
Ripple voltage of boost voltage
7. Holdup time
Holdup time
8. Mounting method
Mounting method
9.Thermal Design
Thermal Design
Examples of Convection cooling
Examples of Forced air cooling
10. Board layout
Consideration for board layout
Reference PCB layout
11. Example of
which reduces EMI
Means of the EMI reduction
Switching frequency noise reduction (200kHz)
High frequency band noise reduction (more than 10 MHz)
EMI measure example
Note
：
Information contained in this document is subject to change without notice for improvement.
The materials are intended as a reference design, component values and circuit examples
described in this document varies depending on operating conditions and component variations.
Please select the components and design under consideration of usage condition etc.
11.2
A-29
11.3
A-29
11.4
A-29
10.2
A-28
A-29
11.1
A-29
8.1
A-17
A-18
9.1
A-18
A-16
7.1
A-16
A-17
A-13
5.1
A-13
A-14
6.1
A-14
4.1
A-10
4.2
A-10
4.3
A-12
A-8
3.1
A-8
3.2
A-9
A-10
2.7
A-5
2.8
A-6
2.9
A-7
2.4
A-4
2.5
A-4
2.6
A-5
A-2
2.1
A-2
2.2
A-3
2.3
A-3
Contents
Page
A-1
1.1
A-1
A-18
A-20
9.2
9.3
A-24
10.1
A-24
