HCPL-7851-100 View Datasheet(PDF) - Broadcom Corporation
Part Name
Description
MFG CO.
'HCPL-7851-100' PDF : 16 Pages View PDF
ACPL-785E, HCPL-7850, HCPL-7851, 5962-97557
Data Sheet
Figure 23 HCPL-785x Block Diagram
VOLTAGE
REGULATOR
CLOCK
GENERATOR
ISO-AMP
INPUT
6'
MODULATOR
ENCODER
ISOLATION
BOUNDARY
LED DRIVE
CIRCUIT
DETECTOR
CIRCUIT
VOLTAGE
REGULATOR
DECODER
AND D/A
AC Electrical Specifications
FILTER
ISO-AMP
OUTPUT
Figure 24 Recommended Application Circuit
POSITIVE
FLOATING
SUPPLY
HV+
C5
150 pF
MOTOR
•••
+–
RSENSE
GATE DRIVE
CIRCUIT
•••
R3
10.0 K
U1
78L05
IN OUT
C1
C2
1
0.1
0.1
PF
R5 PF
2
68
C3
U2
0.01
PF
3
+5 V
8 C4
0.1 PF
7
R1
2.00 K
6
R2
2.00 K
+15 V
C8
0.1 PF
–
U3
VOUT
+ MC34081
4
5
HCPL-785x
C6
150 pF
R4
10.0 K
C7
0.1 PF
-15 V
•••
HV–
Broadcom
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