THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
22uF
10V
C5412
22uF
10V
C5415
+3.3V_FRC
3.3K
1%
R5406
NR8040T3R6N
3.6uH
L5404
4.3K
1%
R5411
20K
OPT
R5404
1uF
10V
C5407
2200pF
C5409
+12V
+1.26V_FRC
POWER_ON/OFF2_2
CIC21J501NE
L5401
27K
1%
R5410
22uF
10V
C5414
3.9K
1%
R5407
+12V
100pF
50V
OPT
C5411
10K
OPT
R5409
AOZ1072AI
IC5401
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
NR8040T3R6N
3.6uH
L5403
100pF
50V
OPT
C5410
12K
1%
R5408
10K
R5405
20K
R5401
POWER_ON/OFF2_2
0.1uF
C5406
10K
R5403
+3.3V_FRC
0.1uF
C5405
22uF
10V
C5413
10K
1%
R5412
CIC21J501NE
L5402
0.1uF
16V
C5417
10uF
16V
C5421
1K
1%
R5416
1uF
10V
C5418
+3.3V_FRC
+1.5V_FRC_DDR
4.3K
1%
R5414
10uF
16V
C5420
3.9K
1%
R5415
10uF
16V
C5416
560pF
50V
C5419
10K
R5413
3300pF
C5408
AOZ1072AI-3
EAN60922902
IC5402
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
20K
R5402
THERMAL
AP7173-SPG-13 HF(DIODES)
EAN41406705
IC5403
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
10uF
25V
C5402
10uF
25V
C5404
10uF
25V
C5403
10uF
25V
C5401
URSA5 Power Block
54
MStar URSA5
55
2010. 08.18
Vout=0.8*(1+R1/R2)
+3.3V_FRC
TYPICAL 300mA
Vout=(1+R1/R2)*0.8
TYPICAL 980mA
R1
R2
2A
R1
R2
CORE +1.26V_FRC
Placed on SMD-TOP
2A
Vout=0.6*(1+R1/R2)
R1
+1.5V of DDR&URSA5 uses same power line
TYPICAL 350mA
R2
+1.5V_FRC