Data Sheet

3. Remote ON/OFF
AUX.
LOAD
470μF
10V
*
DC / DC
5V / 0.5A
*Place an additional capacitor to have a better
performance of auxiliary power operation.
4. Power OK Signal
2. Output Current Trim (For Reference Only)
11.5 23 50 Open
40
60
80
100
Output Current (%)
Extemal Resistor (KΩ)
200
*The grounding of "AUX" power should be
connected to "GND" port. If " V-" is connected
as Grounding, make sure to short the GND
and V- ports.
P. OK EN-
ACI
VCI EN+
AUX
VS- VS+
PAR
GND GND GND GND
AUX
VO- VO+
P. OK EN-
ACI
VCI EN+
AUX
VS- VS+
PAR
GND GND GND GND
AUX
VO- VO+
(A)
(A) Using internal 5V auxiliary source
(C) Using external voltage source
SW
(C)
Power OFF
OFF
sw
Power ON
ON
Power OFF
OFF
sw
Power ON
ON
(B) ON / OFF Control by NPN transistor
(B)
Power OFF
L
Tr
Power ON
H
L / H
EN+
EN-
AUX
GND
SW
5V
2KΩ
EN+
EN-
AUX
GND
5V
2KΩ
Tr
EN+
EN-
AUX
GND
5V
2KΩ
5V
Output Current (%)
Extemal Voltage (VDC)
4.21.6 2.0 2.5 3.0 3.5 4.0
4.5
5.0
40
50
60
70
80
90
100
105
650W Single Output Power Supply
AK-650 series
REV. E6
16/12/20
4