Datasheet
EVAL-ADP1829
Rev. 0 | Page 11 of 16
EVALUATION BOARD SCHEMATIC AND LAYOUT
C11
100nF
C19
1uF
1
2
3
4
5
6
7
8
9 10111213141516
17
18
19
20
21
22
23
24
2526272829303132
FB1
COMP1
TRK1
SS1
VREG
IN
LDOSD
EN2
EN1
POK1
BST1
DH1
SW1
CSL1
PGND1
DL1
PV
DL2
PGND2
CSL2
SW2
DH2
BST2
POK2
SS2
TRK2
COMP2
FB2
UV2
GND
FREQ
SYNC
U1
ADP1829
C17
6800pF
C15
1500pF
R15
4.7K
R11
1K
R9
2K
C20
100nF
R7
100K
C9
0.47uF
Q1
IRLR7807Z
Q5
IRFR3709Z
R3
1.5K
L1
2.2uH
C1
180uF
20V
C21
1uF
C12
100nF
C10
0.47uF
R4
1.5k
Q2
IRLR7807Z
Q8
IRFR3709Z
C2
180uF
20V
C22
1uF
L2
2.2uH
R8
100K
C16
820pF
C18
4700pF
R16
10K
R12
2k
R18
2K
J2 J3 J4
VIN
5.5V TO 18V
VREG
GND
SYNC
POK2
VOUT2 = 1.2V
GND
VOUT1 = 1.8V
GND
SS2
SS1
Q6
IRFR3709Z
Q7
IRFR3709Z
R10
0ohm
C14
5600pF
R14
392
R6 0ohm
R2 0ohm
R5
0ohm
R1
0ohm
R23
100K
R17
100K
R19
100K
R21
50
R20 OPEN
R22
OPEN
R24
100K
TRK1
600kHz
300kHz
ONON
OFFOFF
OFF
ON
R13
200
C13
10nF
R26
100K
FB1
D1
D2
SPECIFICATIONS:
VIN = 5.5V TO 18V
VOUT1 = 1.8V @ 15A
VOUT2 = 1.2V @ 15A
F
SW
= 300kHz. J1 DEFAULT.
J1 TO SELECT BETWEEN 300kHz AND 600kHz
J1
R25
100K
FB2
C3 1200uF 6.3V
C5 1200uF 6.3V
C24 1200uF 6.3V
C7 10uF 6.3V
C29 NOT FITTED
C30 NOT FITTED
C31 NOT FITTED
C32 NOT FITTED
C4 820uF 2.5V
C6 820uF 2.5V
C23 NOT FITTED
C8 10uF 6.3V
C25 NOT FITTED
C26 NOT FITTED
C27 NOT FITTED
C28 NOT FITTED
TRK2
SW2
BST1
POK1
DH1
SW1
DL1
06808-001
Figure 16.
ADP1829 Evaluation Board Schematic, f
SW
= 300 kHz