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WT751002SのメーカーはWeltrendです、この部品の機能は「PC POWER SUPPLY SUPERVISOR」です。 |
部品番号 | WT751002S |
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部品説明 | PC POWER SUPPLY SUPERVISOR | ||
メーカ | Weltrend | ||
ロゴ | |||
このページの下部にプレビューとWT751002Sダウンロード(pdfファイル)リンクがあります。 Total 11 pages
Weltrend Semiconductor, Inc.
`
WT751002S
PC POWER SUPPLY SUPERVISOR
Data Sheet
REV. 1.00
November 04, 2005
The information in this document is subject to change without notice.
©Weltrend Semiconductor, Inc. All Rights Reserved.
24 2
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]
Free Datasheet http://www.datasheet4u.com/
1 Page WT751002S
Rev. 1.00
PIN DESCRIPTION
Pin Name TYPE
PGI I
GND
P
FPOB
O
PSONB
I
V33 I
V5 I
VCC
I
PGO
O
Description
Power good input signal pin
Ground
Fault protection output pin, open drain output
On/Off switch input
3.3V over voltage & under voltage
5V over voltage & under voltage
Power supply
Power good output signal pin, open drain output
FUNCTION TABLE
PGI
< 0.95V
< 0.95V
< 0.95V
0.95V < PGI < 1.2V
0.95V < PGI < 1.2V
0.95V < PGI < 1.2V
PGI > 1.2
PGI > 1.2
PGI > 1.2
X
X = don’t care
PDON_N
L
L
L
L
L
L
L
L
L
H
UVD
No
No
Yes
No
No
Yes
No
No
Yes
X
OVD
No
Yes
No
No
Yes
No
No
Yes
No
X
FPL_N
L
H
L
L
H
H
L
H
H
H
PGO
L
L
L
L
L
L
H
L
L
L
Weltrend Semiconductor, Inc.
Page 3
Free Datasheet http://www.datasheet4u.com/
3Pages WT751002S
Rev. 1.00
TOTAL DEVICE
Parameter
Icc Supply current
Vcc start-up voltage
Vcc stop voltage after start-up
Condition
PDON _N= 5V
Min.
Typ.
3.4
3.0
Max.
1
Unit
mA
V
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 or 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. R5 = 300 is suggested
NOTE2 The series resistor R4 = 100 and diode D1 at PGO is suggested.
Weltrend Semiconductor, Inc.
Page 6
Free Datasheet http://www.datasheet4u.com/
6 Page | |||
ページ | 合計 : 11 ページ | ||
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PDF ダウンロード | [ WT751002S データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
WT751002 | PC POWER SUPPLY SUPERVISOR | Weltrend |
WT751002S | PC POWER SUPPLY SUPERVISOR | Weltrend |