MAX16818_09 Datasheet, PDF (10/25 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
14
13
12
11
10
9
8
C10
LIM V_IOUT RT/SYNC EN PGOOD CLKOUT SGND
15 OVI
N.C. 7
V_IN
7V TO 28V
R2
C2
L1
V_LED
D1
C9 _R12
16 CLP
Q1
DH 6
R11
C8
C7
R10
17 EAOUT
18 EAN
19 DIFF
MAX16818
LX 5
R7
BST 4
C1
DL 3
LED
STRING
1 TO 6
LEDS
V_CC
RS+ ^VCC
MAX4073T
RS- OUT
20 CSN
N.C. 2
R1
21 CSP
SGND SENSE- SENSE+ SGND
IN
22
23
24
25
26
V_CC
27
V_CC
PGND 1
V_DD
28
V_IN
R8
C6
C5
C4
Figure 2. Typical Application Circuit for an Input-Referred Buck-Boost LED Driver (Input: 7V to 28V, Output: 1 to 6 LEDs in Series)
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