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PDF WT7502 Data sheet ( Hoja de datos )
| Número de pieza | WT7502 | |
| Descripción | PC POWER SUPPLY SUPERVISOR | |
| Fabricantes | Weltrend Semiconductor | |
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Hay una vista previa y un enlace de descarga de WT7502 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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偉詮電子股份有限公司
Weltrend Semiconductor, Inc.
`
WT7502
PC POWER SUPPLY SUPERVISOR
Data Sheet
REV. 1.01
Feb. 26, 2008
The information in this document is subject to change without notice.
©Weltrend Semiconductor, Inc. All Rights Reserved.
新竹市科學工業園區工業東九路24號2樓
2F, No. 24, Industry E. 9th RD., Science-Based Industrial Park, Hsin-Chu, Taiwan
TEL:886-3-5780241 FAX:886-3-5794278.5770419
Email:[email protected]
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
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WT7502
Rev. 1.01
TOTAL DEVICE
Parameter
Icc Supply current
Vcc start-up voltage
Vcc stop voltage after start-up
Condition
PDON _N= 5V
Min.
Typ. Max. Unit
1 mA
3.6 V
3.0 V
SWITCHING CHARACTERISTICS, Vcc=5V
Parameter
Condition
Min.
tdb1
tdelay1
tdb2
tg1
tg2
tg3
tdelay2
tdelay3
De-bounce time (PSONB)
Delay time (PGI to PGO)
De-bounce time (PSONB)
De-glitch time for PGI
De-glitch time for UVD
De-glitch time for OVD
PSONB to FPOB delay time
Internal UVD delay time
24
200
24
47
47
35
tdb2+2.0
After FPOB go low & 49
every time PGI > 1.2V
Typ.
38
300
38
73
73
55
tdb2+3.5
75
Max.
52
400
52
100
100
75
tdb2+5.0
100
Unit
mS
mS
mS
uS
uS
uS
mS
mS
APPLICATION CIRCUIT
+5VSB
R5=300
PSONB
10K
0.01uF
+5VSB
PGI PGI
GND
FPOB
PSONB
+5V
1K
PGO
VCC
V5 +5V
V33 +3.3V
R4=100
+5VSB
D1
PGO
+5VSB
+12V
NOTE1：The series resistor R5 at PSONB can not be omitted.（R0 = 300Ω is suggested）
NOTE2：The series resistor R4 = 100Ω and diode D1 at PGO is suggested.
Weltrend Semiconductor, Inc.
Page 5
Datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet WT7502.PDF ] | |
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