WT7520 データシートの表示（PDF） - Weltrend Semiconductor
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WT7520 Datasheet PDF : 9 Pages
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WT7520
Data Sheet Rev. 0.90
BLOCK DIAGRAM
-
[1]
V33
+ UV
- UV
[2]
V5
+
[3]
V12
-
+
UV
+-OV
+-OV
-
+OV
-OV
+
UVP
110us
280ms delay
IN
OUT
CLR
OVP
510us
S
Q
R
[4]
PT
-
+
0.62V
[9]
REM
36mS
Delay
[12]
DET
-
+
0.62V
[6]
RT
[16]
VADJ
[15] OPNEGIN
2.45V
ERROR AMP
+-
[14]
OPOUT
REMONF
4.5mS REMON
Delay
QOUT
5K
280ms delay
IN
OUT
Vss
OSC
CLR
PWM CONTROL
PWMCMP
-
+
D
Q
C QN
+-
DETCMP
SOFT_START CONTROLLER
[11]
PG
[10]
SS
C1
[7]
C2
[8]
ABSOLUTE MAXIMUM RAT INGS, VCC=5.5V
CHARACTERISTICS
SYMBOL
VALUE
Unit
Supply voltage
VCC
5.5
V
Drain output voltage
Vcc1, Vcc2
5.5
V
Drain output current
Icc1, Icc2
200
mA
Power dissipation
Operating temperature
Storage temperature
Pd
Topr
Tstg
200
mW
-10 ~ +70
℃
-65 ~ +150
℃
Weltrend Semiconductor, Inc.
Page 4
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