MAX16818_09 Datasheet, PDF (12/25 Pages) Maxim Integrated Products – 1.5MHz, 30A High-Efficiency, LED Driver with Rapid LED Current Pulsing

1.5MHz, 30A High-Efficiency, LED Driver
with Rapid LED Current Pulsing
Typical Application Circuits (continued)
R3
R4
V_LED
C3
R5
ON/OFF
R6
V_CC
V_IN
7V TO 18V
C11
C10 _R12
R11
C9
C8
R10
14
LIM
15 OVI
13
12
11
V_IOUT RT/SYNC EN
10
9
PGOOD CLKOUT
8
SGND
N.C. 7
Q1
16 CLP
DH 6
17 EAOUT
18 EAN
19 DIFF
20 CSN
MAX16818
LX 5
C4
R7
BST 4
Q2
DL 3
N.C. 2
D2
21 CSP
SGND SENSE- SENSE+ SGND
IN
22
23
24
25
26
V_CC
27
V_CC
PGND 1
V_DD
28
C2
V_LED
L1
D1
Q3
C1
LED
STRING
R2
R1
V_IN
R8
C7
C6
C5
Figure 4. Application Circuit for a Ground-Referred Buck-Boost LED Driver
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