參數(shù)資料
型號: MB3883PFV
廠商: FUJITSU LTD
元件分類: 穩(wěn)壓器
英文描述: 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
中文描述: 0.2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQFP48
封裝: PLASTIC, LQFP-48
文件頁數(shù): 6/39頁
文件大小: 473K
代理商: MB3883PFV
MB3883
6
I
BLOCK DIAGRAM
PWM
5-2
+
+
+
+
+
+
+
CH5
CH6
Drive
5-1
Drive
5-2
PWM
5-1
VB1
Error
1.25 V
1.0 V
62.5 k
37 k
0.9 V
+
+
+
+
+
Drive
6
SW
PWM
Power
0.9V
21
22
CTL1, 2
CTL3
23
CTL4
24
CTL5
1 SWOUT
44 GND (O)
2 SWIN
19 VCC
20
17
GND
16
VREF
18
CSCP
26
CT
25
RT
27
VB
15
CS
CTL
3
FB6
4
5
IN6
C
+
IN6
7
8
6
FB5
IN5
DTC5
45
46
OUT5-1
OUT5-2
47
48
OUT6
RB6
SCP
Error
37.5 k
(VB : 2 V)
(VB : 2 V)
0.74 V
63 k
CT1
CT2
CT
1.8 V
1.8 V
0.8 V
CS CTL
Logic
2 V
2.49 V
OSC
SCP
Ref
CTL
UVLO
(48 Pin)
PWM
1-2
+
+
+
+
+
+
+
CH1
Drive
1-1
Drive
1-2
+
+
+
+
+
+
+
CH2
Drive
2-1
Drive
2-2
+
+
+
+
+
+
CH3
Drive
3
+
+
+
+
+
+
+
CH4
Drive
4
35
34
36
32
31
33
29
28
30
9
10
11
12
13
14
FB1
IN1
DTC1
FB2
IN2
DTC2
FB3
IN3
DTC3
IN (A) 4
OUT (A) 4
FB4
IN4
IN (S) 4
DTC4
42
37
38
39
40
41
43
VCC (O)
OUT1-1
OUT1-2
OUT2-1
OUT2-2
OUT3
OUT4
PWM
1-1
VB1
PWM
2-2
PWM
PWM
PWM
2-1
VB1
Error
SCP
1.25 V
1.0 V
Error
1.25 V
1.0 V
SCP
Error
1.25 V
1.0 V
SCP
1.25 V
1.0 V
SCP
Error
INV
SCP
H : ON (Power/CH6)
L : OFF (Standby mode)
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