SI88240ED-IS Datasheet, PDF (12/48 Pages) Silicon Laboratories – QUAD DIGITAL ISOLATORS WITH DC-DC CONVERTER

Si88x4x
1.4 V
Typical
Input
t_PLH
t_PHL
1.4 V
Typical
Output
90%
10%
90%
10%
t_r
t_f
Figure 1. Propagation Delay Timing for Digital Channels
I_IN
+
V_IN
_
C2
10 µF
I_DDP
I_DDA
C1
T1
10 µF
UTB02185S
U1
D1
R4 ^DB2440100L
100
C5
100 pF
I_DDB
C3
+
V _{10 µF OUT}
_
VSW
VDDB
VDDP
VDDA
SH
GNDA
GNDP
VSNS
COMP
GNDB
R1
49.9 k
R3
49.9 k
C4
1.5 nF
R2
13.3 k
Figure 2. Measurement Circuit for Converter Efficiency and Regulation for Si882xx, Si883xx
12
Preliminary Rev. 0.6