MB3893APFT データシートの表示（PDF） - Fujitsu
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MB3893APFT Datasheet PDF : 44 Pages
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MB3893A
s BLOCK DIAGRAM
• Overall
VCC
RC1
15
XON
11
POFF 18
CONT1 14
ONOFF1 9
ONOFF2 17
DRST 5
40
Power supply control unit
Time
constant
Power
supply
control
OUT
ON
REG1
POR
CONT2 26
CR1
12
CR2
13
CONT5 6
VIN
1
INTV 41
ISENSE+ 3
ISENSE− 4
CONT 2
CVC
42
ROSC 45
COSC 44
LEDR 38
LEDG 37
TSENSE 48
BATSENSE 43
BATSEL 46
CHARGE 32
FULL 31
LEDEN 24
LED
25
VREFTH 47
TEST 20
GND2
GND1 39
8
Charge control unit
Charge
control
Power
supply
detector
BGR
+
−
OUT
ON
REG2
OUT
ON
REG3
OUT
ON
REG4
Initial power supply/
Power supply drop
detection circuit
VCC
ICONT
36
16 VCONT
VCC1
28
29 OUT1
35 XRST
7 C1
30 OUT2
27 OUT3
21 VCC2
22 OUT4
34 VBDET1
VBDET2
33
23 SW1
VFIL
19
VREF1M
10
5
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