BCM400x500y1K8A3z
Typical Application
PRM
BCM
ENABLE
TRIM
VAUX
enable/disable
switch
TM
REF/
REF_EN
VTM
V
OUT
Adaptive Loop Temperature Feedback
VTM Start Up Pulse
VT
VC
IFB
TM
VC
PC
EN
AL
+OUT
SHARE/
CONTROL NODE
SGND
enable/disable
switch
R
R
AL_PRM
TRIM_PRM
SGND
VAUX
LOAD
C
R
R
O_VTM_CER
I_PRM_DAMP
O_PRM_DAMP
FUSE
+IN
–IN
+OUT
–OUT
+IN
–IN
+VPRI
+VSEC
–VSEC
L
L
I_PRM_FLT
O_PRM_FLT
C
V
C
R
I_PRM_CER
PRI
I_BCM_ELEC
O_PRM_CER
–VPRI
–OUT
SGND
PRIMARY
SECONDARY
PRIMARY
SECONDARY
SOURCE_RTN
LOAD_RTN
ISOLATION BOUNDRY
ISOLATION BOUNDRY
SGND
BCM400x500y1K8A3z + PRM + VTM, Adaptive Loop Configuration
V
REF
BCM
SGND
REF 3312
IN OUT
PRM
SGND
Voltage Sense and Error Amplifier
(Differential)
TM
GND
VAUX
ENABLE
enable/disable
switch
VTM
REF/
REF_EN
TRIM
EN
SGND
Voltage Reference with Soft Start
SGND
AL
VT
VC
IFB
TM
+OUT
SHARE/
CONTROL NODE
VC
PC
enable/disable
switch
VTM Start up Pulse
VAUX
SGND
V
+
V –
VOUT
+IN
R
R
LOAD
SGND
C
–IN
I_PRM_DAMP
O_PRM_DAMP
O_VTM_CER
FUSE
+IN
–IN
+VPRI
–VPRI
+VSEC
+OUT
–OUT
+IN
–IN
L
External Current Sense L
O_PRM_FLT
C
VPRI
I_PRM_FLT
C
C
I_PRM_ELEC
O_PRM_CER
I_BCM_ELEC
–VSEC
–OUT
SGND
SGND
PRIMARY
SECONDARY
SOURCE_RTN
PRIMARY
SECONDARY
ISOLATION BOUNDRY
ISOLATION BOUNDRY
BCM400x500y1K8A3z + PRM + VTM, Remote Sense Configuration
BCM® Bus Converter
Page 2 of 25
Rev 1.4
07/2015
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