LT3796 Datasheet, PDF (23/32 Pages) Linear Technology – 100V LED Controller with Current Monitor

APPLICATIONS INFORMATION
VIAS TO GROUND PLANE
X
X ROUTING ON THE 2nd LAYER
X
V_IN VIA
C1 C1 C1
V_IN
R_SNS1
LT3796
VIA FROM
OUT
VIA FROM V_IN
C3
VIA FROM ISP _{X 1}
R6 _{VIA FROM ISN X 2}
VIA FROM TG _{X 3}
4
X
C4
R7 ^ISMON
5
R8
6
7
C_C
R_C
8
R2
9
R1
X
V_REF
10
C6
11
12
R_T
SYNC
13
PWM
14
LT3796 ²⁸
27
R5
26
25 X
24
23 X
22
VIA FROM V_IN
R4
R3
VIA FROM V_IN
21
C5 ^INTVCC ^VIA
20
X
X GATE VIA
19
18
29
17
16
15
1
8
2
7
M1
3
6
X4
5
R9 R10
X R_SNS
VIA FROM INTV_CC
VIA FROM
GATE
C2
L1
D1
C2
C2
X OUT VIA
C2
TG VIA
5
4X
6
3
D2
M2
7
2
LED⁺ ₈
1
Q1
R_LED
ISN VIA X X ISP VIA
3796 F10
COMPONENT DESIGNATIONS REFER TO BOOST LED DRIVER WITH OUTPUT SHORT CIRCUIT PROTECTION AND LED CURRENT MONITOR
Figure 10. Boost Converter Suggested Layout
3796f
23