PRM48BF480T400B00 Datasheet, PDF (5/22 Pages) Vicor Corporation – High Efficiency Remote Sense PRM Converter

PRM48BF480T400B00
4.0 FUNCTIONAL BLOCK DIAGRAM
+Vin
Vcc
PC PR Vout
Cin
Vcc
Internal
3.3V
Linear
Regulator
3.3V
Q1
Vcc
RE
uC 8051
Regulator
-Vin
16V
9V
+Vout
Q2
Output
8.2V
Discharge
PR
(OD)
PR
Modulator
93.3kW
2.5mA Min
0.5mA
Var. Vclamp
Enable
Vcc
100uA
Q ^SET S
Q CLR R
T_OFF
delay
R
3V
5V
2mA max
PC
10uA
PC
VPC_EN
TM
3 V @ 27°C
Temperature
dependent voltage
source
Enable
Fault Logic
Instant
latch
Latch after
120us
Vout
(OV)
Vin
(OV, UV)
Overtemperature
Protection
Vref
(130°C
)
Current Limit
Overcurrent
Protection
Q3
L
Q4
Cout
+Vout
-Vout
VTM Vc Start up pulse
14V
VC
10ms
RE
RE
3.3V
Vs
9V
0.01uF
SG
V_{IF_IL}
IF
V_{IF_OC}
PRM® Regulator
Rev 1.1
800 927.9474