Terminal Connecting Method - TDK-Lambda PFH500 Series Instruction Manual

5

Terminal Connecting Method

In order to use the PFH500 series, this module must be connected with external components according to Figure 5-1. Pay
attention to the wiring details. If the PFH module is wired incorrectly, the power module may be damaged.
The PFH Series module is designed for both convection and conduction cooling applications. Use a heat sink and fan(s) to
remove the heat generated by operation at heavy loads. For selection of heat sink(s) and the heat sink heat transfer method,
refer to the Power Module Application Note.
F1
Vac(L)
C1
Input
Vac(N)
REV 2.8 (March 30, 2020)
RLa
L1
L2
R2
C4
R1
C3
C2
C6 C7
Earth GND
Input EMI Filter
CISPR 32:2015 Class A
for Class B, see Appendix
Fig. 5-1 Basic Connection
PMBus Interface
AC (L)
C5
AC (N)
PFH500F
Case
Inrush
-VBUS
Control
RLb
R3
TDK-Lambda
PFH500-SERIES
INSTRUCTION MANUAL
L=50 mm
RS (+)
C13 C15
Vo (+)
Vo (+)
Vo (-)
Vo (-)
C16
C14
C12
C11
Trim
PG
ON/OFF
Aux Power
SGND
+ VBUS
C9
C10
R4
Vo (+)
Output
Vo (-)
9