PKB 4713 PINB
Mechanical Data
Connections
Pin
Designation
Function
Weight
1
2
- INPUT
RC
Negative input
Remote on/off (primary) to
turn-on and turn-off the output
PKB 4713 PI Maximum 25 g (est.)
PKB 4713 PINB Maximum 20 g
3
4
5
6
7
8
+ INPUT
- OUTPUT
- SENSE
TRIM
Positive input.
Pins
Negative output
Material: Brass Alloy
Plating: Tin over Nickel
Negative remote sense
Output voltage adjust
Positive remote sense
Positive output
+ SENSE
+ OUTPUT
Electrical Data
Fundatmental Circuit Diagram
Primary
Secondary
Note:
Choke
3
Resistor
• If the remote sense is not needed the
"-Sense" should be connected to "-Out"
and the "+Sense" should be connected
to "+Out."
Capacitor
8
4
Control
2
• If the remote control is not needed
the RC pin must be connected to -Vin
for negative logic.
Control
1
For positive logic the pin should be
left open or floating.
Isolated
Feedback
5
7
6
Class B External Input EMI Filter Circuit Diagram
The following external input filter is required to meet EN55022 Class B Filter Schematic Legend:
Cin: 100uF/100V, Electrolytic capacitor
EMI requirements. Please refer to Design Note 11 for further information.
CY1, CY2, CYS1, CYS2: 2700pF/
2000V Ceramic capacitors
CY3, CY4: 2 x 2700pF/2000V Ceramic
capacitors
CD1, CD2: 4 x 1uF/100V Ceramic
CD3: 2 x 1uF/100V Ceramic
L1, L2: common mode inductor, 1.5mH,
each winding consists of 13 turns of
AWG #21wire on the T18-10-10E
HS72 core from TDK
CY4
CY2
+
+
CYS2
L2
L1
PKB
CD1
Module
Vin 36-75Vdc
Output
Cin
CD3
CD2
CY3
-
-
CYS1
CY1
EN/LZT 108 6071 P1D ©Ericsson Inc., Power Modules , February 2003
3
ERICSSON [ ERICSSON ]
