PRM48AF480T400A00_15 Datasheet, PDF (17/44 Pages) Vicor Corporation – High Efficiency Converter

Functional Block Diagram
PRM48Ay480x400A00
+IN
C_IN
-IN
Q1
Q3
L
Q2
Q4
+OUT
C_OUT
-OUT
PGND
2.5 mA Min
0.5 mA
SHARE/
CONTROL NODE
ENABLE
TRIM
NC
NC
AL
57.6 kΩ
1000 pF
35.7 kΩ
Internal
VCC
Regulator
3.3 V
Linear
Regulator
3.3 V
V CC
Modulator
Enable
OTP
Error Amplifier
Voltage Reference
30.1 kΩ
1.58 kΩ
10 10
kΩ kΩ
10 kΩ
1000 pF
10 kΩ
0.01 uF
IN
OUT
Control and Monitoring
Overvoltage
Lockout
Undervoltage
Lockout
Output
Overvoltage
Protection
Current
Limit
Adaptive
Loop
Output
Short
Circuit
2.1 kΩ
0.01 uF
30.1kΩ
20 kΩ
0.01 uF
10
kΩ
6800
pF
60.4
kΩ
2200
pF
SGND
PGND
SGND
VT
VAUX
IFB
SGND
REF/
REF_EN
VC
PRM^TM Regulator
Page 17 of 44
Rev 1.4
11/2015
vicorpower.com
800 927.9474