Datasheet

Evaluates: MAX1889
MAX1889 Evaluation Kit
6 _______________________________________________________________________________________
R1
51.1kΩ
1%
FBN
6
FBN
FBP
MAX1889
U1
DRVPDRVN
7
DRVN
JU2
FREQ
IN
OCP
GATE
10
9
FBP
8
DRVP
PGND
2
GND
3
4
JU1
R4
1MΩ
C1
0.47µF
R15
10Ω
C25
100µF
16V
R3
1MΩ
R2
150kΩ
1%
C3
3.3µF
6.3V
C24
1000pF
C2
3.3µF
6.3V
R6
12.1kΩ
1%
R8
10kΩ
R7
1MΩ
C7
0.01µF
R5
76.8kΩ
1%
C6
4.7µF
10V
C5
4.7µF
10V
C4
4.7µF
10V
SHDN
1
16
14
151
3
7
6
5
8
4
1
3
2
2
SHDN
PIN
PGND
REF
VREF
VBST
L1
4.7µH
P1
P2
TPA
FB
LX
D1
OCN
12
5
11
13
PGND
LX
PGND
INPUT
R19
43.2kΩ
1%
C30
100pF
R20
150kΩ
1%
C8
220pF
C9
0.22µF
1
3
D8
R21
OPEN
Figure 1. MAX1889 EV Kit Schematic (Sheet 1 of 2)