MB39A126WQN Ver la hoja de datos (PDF) - Fujitsu
Número de pieza
componentes Descripción
Lista de partido
MB39A126WQN Datasheet PDF : 64 Pages
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MB39A125/126
■ BLOCK DIAGRAMS
• MB39A125
−INE1 8
OUTC1 10
+INC1 13
−INC1 12
<Current Amp1>
+
×20
−
+INE1 9
−INE2 4
OUTC2 2
+INC2 24
−INC2 1
<Current Amp2>
+
×20
−
+INE2 3
FB123 15
−INE3 16
OUTD 11
ACIN
7
<AC Comp.>
+
VREF
−
1.4 V
ACOK
5
XACOK
18
<Error Amp1>
−
+
<Error Amp2>
−
+
0.2 V <UV Comp.>
+
−
−INC1
(Vo)
<PWM Comp.>
+
−
<OUT>
Drive
21 VCC
20 OUT
<Error Amp3>
−
+
4.2 V
−2.5 V
−1.5 V
(VCC − 6 V) 19 VH
VH
Bias
Voltage
<UVLO>
VREF
UVLO
< SOFT>
VREF
10 µA
CS 22
Slope
Control
<OSC>
500 kHz Max
4.2 V
Bias
<REF>
CT
(45 pF)
VREF
5.0 V
17
6
RT
VREF
VCC
<CTL>
23
GND
14 CTL
11
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