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Número de pieza
componentes Descripción
HV9901_08 Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
HV9901_08
Universal Relay Driver
Supertex Inc
HV9901_08 Datasheet PDF : 7 Pages
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Functional Block Diagram
1N4148
See Note 1.
VIN
1
100nF
A
UVLO
C
HV9901
VDD
16
4.7
µ
F
Bandgap
1.25 V
Reference
VREF
15
100nF
R
HDa
LED
10K
VN2460N8
VDD
GT
4
215ns
Delay
CS
5.5k
Ω
5
RS
COM
6
SYNC
7
Rosc
RT
8
R
2R
S
Q
R
R
C
Low Limit
High Limit
C
VDD
VDD
40
µ
A
Oscillator
shut down
High Duty
Cycle
Oscillator
Notes:
1. This diode and bridge rectifier required only for AC operation.
2. For non-isolated AC operation the entire circuit must be floating.
3. All comparators have open drain outputs.
14
HOLD/DELAY
CHD
R
HDb
1.25V
FB
13
VDD
R
FBb
R
FBa
12
VCC
100nF
5V
µ
P
ENI
11
ENO
10
POL
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●
1235 Bordeaux Drive, Sunnyvale, CA 94089
●
Tel: 408-222-8888
●
www.supertex.com
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