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參數(shù)資料
| 型號(hào)： | HV9901P |
| 廠商： | SUPERTEX INC |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Universal Relay Driver |
| 中文描述： | PWM BASED PRPHL DRVR, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 6/6頁(yè) |
| 文件大?。?/td> | 75K |
| 代理商： | HV9901P |
6
HV9901
Functional Block Diagram and Typical Application
1235 Bordeaux Drive, Sunnyvale, CA 94089
TEL: (408) 744-0100 FAX: (408) 222-4895
www.supertex.com
06/26/02rev.4
2002 Supertex Inc. All rights reserved. Unauthorized use or reproduction prohibited.
VIN
1N4148
See Note 1.
A
RS
100nF
UVLO
C
VREF
VDD
100nF
4.7
μ
F
R
R
S
CS
GT
1
R
VN2460N8
LED
10K
Bandgap
Reference
1.25 V
COM
Q
VDD
Oscillator
shut down
SYNC
Rosc
RT
ENI
ENO
POL
VCC
μ
P
100nF
5 V
RFBa
RFBb
FB
HOLD/DELAY
RHDb
RHDa
4
5
6
7
8
9
10
11
12
13
14
15
16
CHD
C
C
High Limit
Low Limit
VDD
100ns
Delay
R
2R
1.25V
VDD
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.
1
VDD
40
μ
A
5.5k
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