MAX16821A Datasheet, PDF (23/25 Pages) Maxim Integrated Products – High-Power Synchronous HBLED Drivers with Rapid Current Pulsing

V_LED
R9
R10
C11
C10 _R9
R7
C9
C8
R6
High-Power Synchronous HBLED
Drivers with Rapid Current Pulsing
Typical Operating Circuit
V_CC
R4
C3
R3
ON/OFF
14
I.C.
15 OVI
13
12
11
OUTV RT/SYNC EN
10
MODE
9
CLKOUT
8
SGND
N.C. 7
16 CLP
DH 6
17 EAOUT
18 EAN
19 DIFF
MAX16821A
MAX16821B
MAX16821C
LX 5
R5
BST 4
DL 3
20 CSN
N.C. 2
21 CSP
SGND SENSE- SENSE+ SGND
IN
22
23
24
25
26
V_IN
PGND 1
V_CC
V_DD
27
28
V_IN
7V TO 28V
C2
Q1
V_LED
L1
C4
Q2
C1
LED
STRING
D2
R2
R1
C7
C6
C5
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