BCM380Y475X1K2A31 Datasheet, PDF (2/23 Pages) Vicor Corporation – Fixed Ratio DC-DC Converter

Typical Application
BCM380y475x1K2A31
enable/disable
switch
FUSE
V_IN
SOURCE_RTN
SER-OUT
BCM
SER-OUT
enable/disable
switch
SER-IN
EN
SER-IN
C_{I_BCM_ELEC}
+IN
+OUT
–IN
–OUT
PRIMARY
SECONDARY
ISOLATION BOUNDRY
Digital Isolator
SGND
R_{I_PRM_DAMP}
L_{I_PRM_FLT}
R_{TRIM_PRM}
R_{AL_PRM}
PRM_SGND
R_{I_PRM_CER}
Digital Supervisor
PRM
ENABLE
TRIM
AL
SHARE/
CONTROL NODE
VAUX
REF/
REF_EN
VT
VC
IFB
+IN
+OUT
–IN
SGND
–OUT
Adaptive Loop Temperature Feedback
VTM Start Up Pulse
R_{O_PRM_DAMP}
L_{O_PRM_FLT}
C_{O_PRM_CER}
PRM_SGND
Host μC
NC
SER-IN
SER-OUT
PRI_OUT_A
PRI_OUT_B
PRI_IN_C
SEC_IN_A
SEC_IN_B
SEC_OUT_C
VDDB
t
TX
VDD
+
–
V_EXT
RX
SGND
PRI_COM
SEC_COM
SGND
PMBus
PMBus
SGND
SGND
SGND
VTM
TM
+OUT
VC
PC
+IN
–IN
–OUT
PRIMARY
SECONDARY
ISOLATION BOUNDRY
V_OUT
C_{O_VTM_CER}
LOAD
LOAD_RTN
BCM380y475x1K2A31 + PRM + VTM, Adaptive Loop Configuration
enable/disable
switch
FUSE
V_IN
SOURCE_RTN
SER-OUT
BCM
SER-OUT
EN
SER-IN
SER-IN
+IN
C_{I_BCM_ELEC}
–IN
+OUT
–OUT
PRIMARY
SECONDARY
ISOLATION BOUNDRY
Digital Isolator
PRM
enable/disable
switch
ENABLE
TRIM
PRM_SGND
R_{I_PRM_DAMP}
SGND
AL
SHARE/
CONTROL NODE
L_{I_PRM_FLT}
+IN
C_{I_PRM_ELEC}
–IN
SGND
Digital Supervisor
PRM_SGND
VAUX
REF/
REF_EN
VT
VC
IFB
+OUT
–OUT
REF 3312
IN
OUT
GND
SGND
V_REF
SGND
Voltage Sense and Error Amplifier
(Differential)
VTM
SGND
TM
Voltage Reference with Soft Start
VC
VTM Start up Pulse
V+ V–
PC
VOUT
+IN –IN ^{SGND R}O_PRM_DAMP
+OUT
External Current Sense ^L_{O_PRM_FLT}
+IN
C_{O_PRM_CER}
–IN
–OUT
PRIMARY
SECONDARY
ISOLATION BOUNDRY
Host μC
NC
SER-IN
SER-OUT
PRI_OUT_A
PRI_OUT_B
PRI_IN_C
SEC_IN_A
SEC_IN_B
SEC_OUT_C
VDDB
t
TX
VDD
+
–
V_EXT
RX
SGND
PRI_COM
SEC_COM
SGND
PMBus
PMBus
SGND
SGND
SGND
C_{O_VTM_CER} LOAD
BCM380y475x1K2A31 + PRM + VTM, Remote Sense Configuration
BCM^® Bus Converter
Page 2 of 23
Rev 1.4
05/2015
vicorpower.com
800 927.9474