參數(shù)資料
型號(hào): MB3883PV
廠商: FUJITSU LTD
元件分類(lèi): 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, PBCC48
封裝: PLASTIC, BCC-48
文件頁(yè)數(shù): 8/39頁(yè)
文件大?。?/td> 473K
代理商: MB3883PV
MB3883
8
Block diagram (Expansion 2/2)
PWM
Comp.
5-2
+
+
+
+
+
+
+
CH5
CH6
Drive
5-1
Drive
5-2
PWM
Comp.
5-1
VB1
Error
Amp.5
1.25 V
1.0 V
1.26 V
62.5 k
37 k
0.9 V
+
+
+
+
+
Drive
6
SW
Drive
PWM
Power
Comp.
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
Comp.5
Error
Amp.6
37.5 k
(VB : 2 V)
(VB : 2 V)
0.74 V
63 k
CT1
CT2
CT
1.8 V
1.1 V
1.8 V
1.1 V
0.8 V
0.3 V
CS CTL
Logic
2 V
2.49 V
OSC
SCP
Ref
Power
ON/OFF
CTL
UVLO
(48 Pin)
SCP
Comp.6
H : ON (Power/CH6)
L : OFF (Standby mode)
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