WT7527
Rev. 1.20
ꢀ
TOTAL DEVICE
Parameter
Condition
PSONB=ꢀ5Vꢀ
ꢀ
ꢀ
Min.
Typ.
Max.
Unit
IccꢀSupplyꢀcurrentꢀ
Vccꢀoperationꢀstartꢀupꢀvoltageꢀ
Vccꢀunderꢀlockoutꢀvoltageꢀ
ꢀ
ꢀ
1ꢀ
3.6ꢀ
3.2ꢀ
mAꢀ
Vꢀ
Vꢀ
3.2ꢀ
2.8ꢀ
3.4ꢀ
3.0ꢀ
SWITCHING CHARACTERISTICS, at Ta=-40℃~125℃
Parameter
Condition
Min.
Typ.
Max.
Unit
PGIꢀtoꢀPGOꢀDelayꢀTimeꢀ ꢀ
Td1ꢀ
Td2ꢀ
ꢀ
ꢀ
200ꢀ
49ꢀ
392ꢀ
300ꢀ
75ꢀ
600ꢀ
∞ꢀ
400ꢀ
100ꢀ
800ꢀ
mSꢀ
mSꢀ
mSꢀ
mSꢀ
mSꢀ
ꢁSꢀ
mSꢀ
uSꢀ
ꢁSꢀ
Forꢀ160ꢀ
Forꢀ161ꢀ
ShortꢀcircuitꢀDelayꢀTimeꢀ ꢀ
Td2ꢁ1ꢀ
PGOꢀtoꢀFPOBꢀDelayꢀTimeꢀ
UnderꢀVoltageꢀDelayꢀTimeꢀ
OverꢀCurrentꢀDelayꢀTimeꢀ
OverꢀVoltageꢀDelayꢀTimeꢀ
VXꢀDelayꢀTimeꢀ
Td3ꢀ
Td4ꢀ
Td5ꢀ
Td6ꢀ
Td7ꢀ
Tb1ꢀ
Tb2ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
2ꢀ
4ꢀ
6ꢀ
81ꢀ
27ꢀ
19ꢀ
81ꢀ
52ꢀ
100ꢀ
40ꢀ
13ꢀ
9ꢀ
40ꢀ
24ꢀ
47ꢀ
60ꢀ
20ꢀ
14ꢀ
60ꢀ
38ꢀ
73ꢀ
PSONBꢀDeꢁbounceꢀTimeꢀ
PGIꢀDeꢁbounceꢀTimeꢀ
mSꢀ
ꢁSꢀ
APPLICATION CIRCUIT
+5VSB
D1
+5V
WT752701
+5VSB
1K
PGO
R4=100
PGI
PGI
PGO
VCC
V5
+5VSB
+5VSB
10K
GND
FPOB
PSONB
I12A
+3.3V
+5V
R5=300
PSONB
V33
V12A
I33
0.01uF
22uF
R12,ꢀ1%
30K,ꢀ1%
RI
22uF
R10,ꢀ1%
I12B
I5
V12B
VX
+12VA
22uF
R14,ꢀ1%
+12VB
22uF
R16,ꢀ1%
ꢀ
NOTE1：TheꢀseriesꢀresistorꢀR5ꢀatꢀPSONBꢀcanꢀnotꢀbeꢀomitted.（R5ꢀ=ꢀ300Ωꢀ isꢀsuggested）ꢀ
NOTE2：TheꢀseriesꢀresistorꢀR4ꢀ=ꢀ100Ωꢀ andꢀdiodeꢀD1ꢀatꢀPGOꢀisꢀsuggested.
Weltrend Semiconductor, Inc.
Pageꢀ6
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