WT7527V データシートの表示（PDF） - Weltrend Semiconductor
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WT7527V Datasheet PDF : 13 Pages
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WT7527V
Rev. 1.01
PSONB
Parameter
Input pull-up current
High-level input voltage
Low-level input voltage
Condition
PSONB= 0V
Min.
1.8
Typ. Max. Unit
160
uA
V
1.2 V
TOTAL DEVICE
Parameter
Icc Supply current
Vcc operation start up voltage
Vcc under lockout voltage
Supply voltage rising time
Condition
PSONB= 5V
Min.
3.2
2.8
1
Typ. Max. Unit
1
mA
3.4 3.6 V
3.0 3.2 V
mS
SWITCHING CHARACTERISTICS, at Ta=-20℃~85℃
Parameter
Condition
Min. Typ. Max. Unit
PGI to PGO Delay Time
Td1
200 300 400 mS
Internal UVD/OCD delay time at Td2
power on mode (Note1)
Td2-1
PGI > 1.2V
PGI < 1.2V
49
75
100 mS
392 600 800 mS
Internal UVD/OCD delay time at Td2
normal mode (Note1)
PGI > 1.2V
PGI < 1.2V
49
75
100 mS
Disable UVD/OCD check
PGO to FPOB Delay Time
Td3
2
4
6
mS
Under Voltage Delay Time
Td4
40
60
81
µS
Over Current Delay Time
Td5
13
20
27 mS
Over Voltage Delay Time
Td6
9
14
19
uS
VX Delay Time
Td7
40
60
81
µS
PSONB De-bounce Time
Tb1
24
38
52 mS
PGI De-bounce Time
Tb2
47
73
100 µS
NOTE1: When FPOB go low, the WT7527V enter the power on mode at first. And then jump to
normal mode when the UVD and OCD are right.
Weltrend Semiconductor, Inc.
Page 6
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