Datasheet
Evaluation Board User Guide UG-205
Rev. A | Page 7 of 12
EVALUATION BOARD SCHEMATICS AND ARTWORK
VOUT1
FB1
TRK1
COMP1
VINVIN
SYNC
SYNC
VDL
FREQ
TRK2
DL2
DL1
VDL
SW1
SS1
FB1
COMP1
SS1
DH2
DH1
SW2
EN1
EN2
VIN
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VIN
VIN
VIN
VOUT1 VOUT2
Vin = 10V to 15V
VDL
VOUT1 = 1.09V
TURRET
TURRET
22pF
22pF
open
open
open
open
open
47uF47uF
47uF 47uF
TURRET
TURRET
BSC080N03LS
BSC030N03LS
BSC030N03LS
BSC080N03LS
GND
T2T2
1
2
3
4
J3
2 Way Link
J3
2 Way Link
1 3
2
J4
2 Way Link
J4
2 Way Link
1 3
2
+
COV3
560uF
+
COV3
560uF
+
CIN13
180uF
+
CIN13
180uF
TP5TP5
1
+
COV5
560uF
+
COV5
560uF
TP8TP8
1
TP1TP1
1
T11T11
1
RR2
137k
RR2
137k
L1
0.47uH
L1
0.47uH
CSS1
100nf
CSS1
100nf
TP3TP3
1
REN11REN11
TP7TP7
1
RGCS2
22.6k
RGCS2
22.6k
J8
CON12
J8
CON12
1
2
3
4
5
6
7
8
9
10
11
12
QL1QL1
S1
S2
S3
G
D4
D3
D2
D1
U1
ADP1 850-LFCSP
U1
ADP1 850-LFCSP
EN1
1
SYNC
2
VIN
3
VCCO
4
VDL
5
AGND
6
TRK2
9
FB2
10
COMP2
11
RAMP2
12
SS2
13
PGOO D2
14
ILIM2
15
BST2
16
SW2
17
DH2
18
PGND2
19
DL2
20
DL1
21
PGND1
22
DH1
23
SW1
24
FREQ
7
EN2
8
TRK1
32
FB1
31
COMP1
30
RAMP1
29
SS1
28
PGOOD1
27
ILIM1
26
BST1
25
CSNB2CSNB2
Cin12
10uF
25V
Cin12
10uF
25V
TP9TP9
1
QH1
BSC080N03
QH1
BSC080N03
S1
S2
S3
G
D4
D3
D2
D1
+
COV6
open
+
COV6
open
R1
0
R1
0
TP16TP16
1
RGCS1
22.6k
RGCS1
22.6k
QL2
BSC030N03
QL2
BSC030N03
S1
S2
S3
G
D4
D3
D2
D1
CSNB1CSNB1
QL3
BSC030N03
QL3
BSC030N03
S1
S2
S3
G
D4
D3
D2
D1
+
COV8
560uF
+
COV8
560uF
RPG2RPG2
TP13TP13
1
+
COV23
+
COV23
R103
0
R103
0
TP4TP4
1
+
CIN20
180uF
+
CIN20
180uF
CDR
1.0uF
CDR
1.0uF
+
COV7
open
+
COV7
open
J9
CON12
J9
CON12
1
2
3
4
5
6
7
8
9
10
11
12
RSNB2RSNB2
QL4QL4
S1
S2
S3
G
D4
D3
D2
D1
+
COV22
+
COV22
T5T5
1
2
3
4
RILIM21
1.74k
RILIM21
1.74k
QH3
BSC080N03
QH3
BSC080N03
S1
S2
S3
G
D4
D3
D2
D1
+
CIN10
180uF
+
CIN10
180uF
TP17TP17
1
RT12RT12
RR1
137k
RR1
137k
RF11
8.25k
RF11
8.25k
RSNB1RSNB1
+
COV2
560uF
+
COV2
560uF
+
COV1
560uF
+
COV1
560uF
RDL1
0
RDL1
0
QH4QH4
S1
S2
S3
G
D4
D3
D2
D1
CVIN
100nf
CVIN
100nf
CLIMCLIM
RILIM11
1.74k
RILIM11
1.74k
J1
2 Way Link
J1
2 Way Link
1 3
2
L2
0.47uH
L2
0.47uH
+
COV4
560uF
+
COV4
560uF
T9T9
1
CBST1
100nf
CBST1
100nf
RT22RT22
Cin11
10 uF/25V
Cin11
10 uF/25V
RT21
0
RT21
0
QH2QH2
S1
S2
S3
G
D4
D3
D2
D1
RB0
2
RB0
2
TP10TP10
1
TP12TP12
1
CV5
1.0uF
CV5
1.0uF
CIN22
10uF/25V
CIN22
10uF/25V
TP11TP11
1
+
COV12
+
COV12
TP14TP14
1
RV5
open
RV5
open
RF12
10K
RF12
10K
CC12
180pF
CC12
180pF
RDH2
0
RDH2
0
CLIM2CLIM2
CC11
3300pF
CC11
3300pF
CIN21
10uF
25V
CIN21
10uF
25V
REN12REN12
RDL2
0
RDL2
0
TP2TP2
1
T10T10
1
RC1
8.87k
RC1
8.87k
+
COV13
+
COV13
RFREQ
open
RFREQ
open
TP6TP6
1
T6T6
1
2
3
4
T1T1
1
2
3
4
RT11
0
RT11
0
CBST2
100nf
CBST2
100nf
+
CIN23
180uF
+
CIN23
180uF
T8T8
1
RPG1
open
RPG1
open
RVCC0
2
RVCC0
2
RDH1
0
RDH1
0
09456-007
Figure 7. Evaluation Board Schematic