PRM48BH480T250A00 Datasheet, PDF (14/44 Pages) Vicor Corporation – PRM™ Regulator

FUNCTIONAL BLOCK DIAGRAM
+IN
Cin
-IN
PRM48BH480 X 250A00
Q1
Q3
L
Q2
Q4
+OUT
Cout
-OUT
PGND
Internal
VCC
Regulator
2.5mA Min
0.5mA
3.3V Linear
Regulator
3.3V
SHARE/
CONTROL NODE
ENABLE
TRIM
NC
NC
AL
57.6k
35.7k
1000pF
10k 10k
10k
1000pF
10k
0.01uF
IN
OUT
VCC
Modulator
Enable
OTP
Error Amplifer
30.1k
1.58k
Voltage Reference
Control and Monitoring
Overvoltage
Lockout
Undervoltage
Lockout
Current
Limit
Adaptive
Loop
Output
Overvoltage
Protection
Output
Short
Circuit
2.1k
0.01uF
30.1
20k
0.01uF
10
k
6800
pF
60.4k
2200pF
VT
VAUX
IFB
SGND
REF/
REF_EN
VC
SGND
PGND
SGND
- 14 -
Rev. 1.0
11/2012