TDK-Lambda CHVM2 Series, Инструкция по эксплуатации

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INSTRUCTION MANUAL
CHVM2 Series
TDK­Lambda
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■ Test circuit
Warning 1: The input­output ground line and case are internally connected.
Warning 2: Vref is 4V (When external VR=5KΩ)
Warning 3: The ON/OFF can be controlled with a transistor.
■ Block diagram
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12V
+ Vin
-
Vin
Vout (+ or -)
Vout
(Com)
Vref Vcont
Load
1
2
(OPEN)
4
6
3
+
C1
C2
7
+
C1 =47
μ
F
C2=4700pF
5
ON/OFF
SW1
SW1
Open =ON
Short=OFF
Output voltage control
0V to 4V impressed
CHVM
F1
12 V
+
+
SW1
+Vin
-Vin
Vout (+ or -)
Vout (com)
Vcont
Vref ON/OFF
ON/OFF
Control part
Load
1
2
7
6
3 4
5
DC-AC
converter
High voltage
oscillating
transistor
High voltage
recitification
part
Control IC
voltage detection
Case
External voltage (0 to 4V)
or
VR (5K Ω )
SW1
Open =ON
Short=OFF
output voltage control
over current protection
standard voltage part