BCM384x120y1K5ACz
Pin Configuration
TOP VIEW
2
1
A’ +VSEC
A
B
C
D
+VSEC
–VSEC1
–VSEC1
+VSEC
+VSEC
–VSEC2
–VSEC2
B’
C’
D’ +VSEC
E’ +VSEC
E
–VSEC2
–VSEC2
F’
–VSEC1
–VSEC1
+VSEC
F
G
H
G’
H’ +VSEC
+VPRI
+VPRI
+VPRI
I’
J’
K’
I
J
TM
EN
VAUX
K
–VPRI
+VPRI
L’
L
2361 ChiP Package
Pin Descriptions
Pin Number
I1, J1, K1, L1
I’2
Signal Name
Type
PRIMARY POWER
OUTPUT
Function
+VPRI
TM
Positive primary transformer power terminal
Temperature Monitor; Primary side referenced signals
Enables and disables power supply; Primary side referenced
signals
J’2
EN
INPUT
K’2
L’1
VAUX
-VPRI
OUTPUT
Auxilary Voltage Source; Primary side referenced signals
Negative Primary transformer power terminal
PRIMARY POWER
RETURN
A1, D1, E1, H1, A’2,
D’2, E’2, H’2
+VSEC
-VSEC*
SECONDARY POWER Positive secondary transformer power terminal
SECONDARY POWER
B1, C1, F1, G1,
B’2, C’2, F’2, G’2
Negative secondary transformer power terminal
RETURN
*For proper operation an external low impedance connection must be made between listed -VSEC1 and -VSEC2 terminals.
BCM® Bus Converter
Page 3 of 25
Rev 1.5
07/2015
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