MQFL-28V-1R8S
Output:
1.8V
Current:
40A
technical Specification
BLOCK DIAGRAM
BOOST
CONVERTER
SWITCHES
AND
CONTROL
ad
pu
va
bl
ic n
at ce
io d
n
1
+Vin
CURRENT
SENSE
+Vout
REGULATION STAGE
ISOLATION STAGE
7
2
INPUT
RETURN
8
CASE
GATE DRIVERS
ISOLATION BARRIER
OUTPUT
RETURN
GATE DRIVERS
3
STABILITY
UVLO
CURRENT
LIMIT
12
4
5
6
ENABLE 2
ENABLE 1
PRIMARY
CONTROL
MAGNETIC
11
10
9
SECONDARY
CONTROL
SHARE
SYNC OUT
DATA COUPLING
+ SENSE
SYNC IN
SENSE
BIAS POWER
CONTROL
POWER
TRANSFORMER
TYPICAL CONNECTION DIAGRAM
1
2
3
4
5
6
+VIN
ENA 2
12
External bulk capacitor
IN RTN
SHARE
11
10
9
8
7
open
means
on
STABILITY
ENA 1
28 Vdc
+
-
R
STABILITY
C
STABILITY
MQFL
+ SNS
- SNS
+
-
Load
open
means
on
SYNC OUT
SYNC IN
OUT RTN
+VOUT
Product # MQFL-28V-1R8S
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005-0005186 Rev. 1 04/21/09
Page 2