Datasheet

UG-334 Evaluation Board User Guide
Rev. 0 | Page 8 of 16
EVALUATION BOARD SCHEMATICS AND ARTWORK
Vin = 10V to 20V
VOUT2 = 1.8V
VOUT1 = 5V
TURRET
TURRET TURRET
TURRET
TURRET
22pF
22pF
open
open
open open
open
22uF
22uF
22uF
22uF
OPEN
to VEN1 (TP3)
VDL
OPEN
VOUT1
FB1
TRK1
VEN1
COMP1
EN1
VIN
VIN
VOUT2
DL1
SW1
SS1
DH2
SW2
VEN1
DL2
DH1
VDL
VIN
VCCO
VCCO
VIN
VIN
VIN
AGND
VINLDO
VOUTLDO
VDL
VCCO
VCCO
VINLDO
VOUTLDO
T7
TP-575-4
1
+
COV5
330uF
+
RC2
44.2k
+
CIN13 open
+
+
COV3
open
+
J3
2 Way Link
1
3
2
T2
1 2 3
4
CC21 330pF
TP15
1
L1
1.8uH
RR2 750k
T11
1
TP1TP1
1
TP8
1
TP16
1
RGCS2
22.6k
TP7TP7
1
CSS1 100nf
RT13
TP9TP9
1
Cin12 10uF 25V
CSNB2
U1
ADP1876-LFCSP
EN1
1
VIN
2
VINLDO
3
VOUTLDO
4
VCCO
5
VDL
6
EN2
9
FB2
10
COMP2
11
RAMP2
12
SS2
13
PGOOD2
14
ILIM2
15
BST2
16
SW2
17
DH2
18
PGND2
19
DL2
20
DL1
21
PGND1
22
DH1
23
SW1
24
AGND
7
NC
8
TRK1
32
FB1
31
COMP1
30
RAMP1
29
SS1
28
PGOOD1
27
ILIM1
26
BST1
25
QH3
IPD050N03L
CSNB1
RGCS1 22.6k
QH1
IPD050N03L
+
COV6 330uF
+
TP4
1
+
COV23
+
TP13TP13
1
RPG2
RF22
10k
+
COV8 open
+
Ctrk1OPEN
+
COV22
+
RSNB2
RF21
20k
+
COV7
open
+
CDR 1.0uF
+
CIN20 150uF
+
RSNB1
RF11
73.2k
T13
TP-575-4
1
RR1 750k
RT12
+
CIN10 open
+
T9
1
RILIM21
2.1K
CLIM1
CVIN 100nf
RDL1
0
T5
1
2 3
4
+
COV1
330uF
+
+
COV2 330uF
+
Cin11 10uF/25V
CBST1 100nf
+
COV4 open
+
L2
1.8uH
T6
1 2
3 4
T3
1 2
3
4
RILIM11
2.1K
CV5 1.0uF
TP12TP12
1
TP10
1
QH2
OPEN
TP14
1
+
COV12
+
TP11TP11
1
CIN22
10uF/25V
T12
1
COUTLDO
4.7uF
CLIM2
REN2 OPEN
RDH2
0
CC12 10pF
CINLDO
1uF
RF12
10K
RV5 open
QL4
OPEN
CC11 120pF
REN1
OPEN
T14
TP-575-4
1
QL3
IPD050N03L
TP2
1
RDL2
0
CIN21 10uF 25V
T8
1
TP6TP6
1
CEN1 OPEN
+
COV13
+
J2
2 Way Link
1
3
2
RC1
12.4k
T10
1
T4
1
2
3 4
QH4
OPEN
CSS2 100nF
CC22
22pF
RDH1
0
RVCC0
0
TP3
1
RPG1
open
QL2
IPD050N03L
+
CIN23 open
+
CBST2 100nf
QL1
OPEN
RT11
0
T1
1 2 3
4
10272-011
Figure 11. Evaluation Board Schematic