參數(shù)資料
型號: MB3881PFF
廠商: FUJITSU LTD
元件分類: 穩(wěn)壓器
英文描述: 8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down
中文描述: 0.2 A SWITCHING CONTROLLER, 800 kHz SWITCHING FREQ-MAX, PQFP64
封裝: PLASTIC, LQFP-64
文件頁數(shù): 23/40頁
文件大小: 509K
代理商: MB3881PFF
MB3881
23
CH7
CH8
+
+
+
+
+
+
11
10
R1
FB7
1.25 V
20 k
80 k
1.25 V
R2
V
O
=
(R1
+
R2)
1.0 V
Error
Amp.7
SCP
Comp.7
IN7
+
IN7
V
O
R2
+
IN7
R2
V
O
=
(R1
+
R2)
12
+
IN7
1.25 V
+
IN7< 1.25 V
+
+
7
8
5
4
R1
FB8
IN8
+
IN8(C)
+
IN8
2Rb (R1
+
R2)
(Ra
+
Rb) R2
V
O
=
Error
Amp.8
SCP
Comp.8
IN8(C)
V
O
VB
=
2 V
R2
Ra
Rb
6
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