Datasheet
Evaluates: MAX16821B
MAX16821B Evaluation Kit
4 _______________________________________________________________________________________4 _______________________________________________________________________________________
N3
231
4
21
5, 6, 7, 8
N5
CSP
LED+
C5
10μF
50V
R6
0.007Ω
2%
R8
1Ω
R7
0.15Ω
1%
PWMDIM
PWMDIM
C6
10μF
50V
C8
4.7μF
VCC
MAX16821B
U1
EN
VIN
PGND
LED+
LED-
PGND
SGND
VIN
VIN
VIN
10
MODE
8
SGND
D1
11
EN
12
RT/SYNC
13
14
LED+
CLKOUT
OUTV
I.C.
15
3
2
1
N2
3
2
1
OVI
16
CLP
17
EAOUT
18
EAN
19
DIFF
20
CSN
21
CSP
9
N.C.
2
N.C.
7
DH
6
LX
5
BST
4
DL
3
PGND
1
V
DD
28
27
V
CC
C9
0.1μF
26
IN
24
SENSE+
23
SENSE-
22
SGND
25
SGND
EP
C4
1000pF
R3
SHORTED
V
CC
R5
10kΩ
1%
R1
249kΩ
1%
VCC
N4
3
2
1
PWMDIM
PWMDIM
CSP
R13
1kΩ
1%
R2
10kΩ
1%
R11
2.49kΩ
1%
R12
1.24kΩ
1%
C3
1000pF
C10
0.1μF
C1
10μF
50V
L1
8.8μH
C2
0.1μF
50V
R4
124kΩ
1%
SGND
CLKOUT
SGND
SGND
OUTV
PWMDIM
4
1, 2, 5, 6
3
N6
C7
0.022μF
R9
2kΩ
1%
N1
3
2
1
CLP
VCC
R10
10kΩ
1%
Figure 1. MAX16821B EV Kit Schematic