PRM48JH480X250A02 Datasheet, PDF (2/45 Pages) Vicor Corporation – High Efficiency Converter

Typical Applications
PRM48JH480x250A02
PRM
AC Front End
GND
R_TRIM
SGND
ENABLE
TRIM
AL
SHARE/
CONTROL NODE
VAUX
REF/
REF_EN
VT
VC
IFB
FUSE
PRI_GND
AC (L)
AC
V_IN
MOV
AC (N)
+OUT
–OUT
48 VDC
+IN
+
C_IN
–IN
PRIMARY
SECONDARY
ISOLATION BOUNDRY
SEC_GND
HOLDUP CAPACITOR
SGND
+OUT
–OUT
SGND
C_OUT
V_OUT
20 V to 55 V
Typical Application: AC-48 VDC Front End + PRM48JH480x250A02
Detail:
External VC
or
VTM VC
PRM VC
Connect to PRM VC or external VC depending on t_{RISE_VOUT}
See FPA System Considerations Section.
AC Front End
PRM
SGND
ENABLE
TRIM
AL
SHARE/
CONTROL NODE
GND
FUSE
PRI_GND
AC (L)
AC
V_IN
MOV
AC (N)
48 VDC
+OUT
+IN
+
–OUT
–IN
PRIMARY
SECONDARY
ISOLATION BOUNDRY
SEC_GND
HOLDUP CAPACITOR
SGND
SGND
VAUX
REF/
REF_EN
VT
VC
IFB
+OUT
–OUT
REF 3312
IN
OUT
GND
VREF
SGND
SGND
Voltage Sense and Error Amplifier
(Differential)
VTM
SGND
TM
Voltage Reference with Soft Start
VC
VTM Start up Pulse _{See Detail Legend}
V+
V–
PC
VOUT
+IN
–IN ^SGND
+OUT
C_OUT LOAD
L_F
External Current Sense
C_F
+IN
–IN
–OUT
PRIMARY
SECONDARY
ISOLATION BOUNDRY
[1]
SEC_GND
Typical Application: AC-48 VDC Front End + PRM48JH480x250A02 + VTM, non-isolated Remote Sense Configuration
[1] _{Non-Isolated Configuration: –Out connected to -IN}
PRM^TM Regulator
Page 2 of 45
Rev 1.1
09/2015
vicorpower.com
800 927.9474