Specifications

Si3460-EVB
Rev. 1.2 15
Not Recom
m
en
ded
for N
ew D
esigns.
Please Co
n
s
i
d
e
r Si3462 for
N
ew
D
esigns.
0
0
0
DETA
DC2 DC1 250K
Vdd Vee
PWM
Drain
R1
10K
R1
10K
R10 1meg R10 1meg
R2 24.9K R2 24.9K
R12 1meg R12 1meg
R21 5.9K R21 5.9K
R15 549KR15 549K
R19 10KR19 10K
R3
10K
R3
10K
R29 2.15KR29 2.15K
R26 10K R26 10K
R49 53.6KR49 53.6K
R20 10K R20 10K
R11 10K R11 10K
U19B
LM319
U19B
LM319
OUT
7
+
9
-
10
G
8
V+
11
V-
6
R16 324K R16 324K
C10 470pFC10 470pF
C22 0.1uC22 0.1u
R48 53.6KR48 53.6K
C5
0.015u
C5
0.015u
R6 1.40meg R6 1.40meg
U18A
LM2904
U18A
LM2904
+
3
-
2
V+
8
V-
4
OUT
1
R13 301K R13 301K
R17 100K R17 100K
R14 2K R14 2K
R9 383K R9 383K
R46 2KR46 2K
U18B
LM2904
U18B
LM2904
+
5
-
6
V+
8
V-
4
OUT
7
Figure 11. Detection and PWM Circuit