MB3785A_03 Datasheet, PDF (2/30 Pages) Fujitsu Component Limited. – Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities)

MB3785A
(Continued)
• Adjustable dead time over the entire duty ratio range
• Built-in standby and output control functions
• High-density mounting possible: 48-pin LQFP package
s PIN ASSIGNMENT
(TOP VIEW)
Cb1 OUT1 OUT2 GND OUT3 VE4
VE1
VCC2
VE2
VE3 OUT4 Cb4
Ca1
Cb2
Ca2
DTC1
FB1
−IN1 (E)
+IN1 (E)
−IN1 (C)
DTC2
FB2
−IN2 (E)
+IN2 (E)
48 47 46 45 44 43 42 41 40 39 38 37
1
36
2
35
3
34
4
33
5
32
6
31
7
30
8
29
9
28
10
27
11
26
12
25
13 14 15 16 17 18 19 20 21 22 23 24
Ca4
Cb3
Ca3
DTC4
FB4
−IN4 (E)
+IN4 (E)
−IN4 (C)
DTC3
FB3
−IN3 (E)
+IN3 (E)
−IN2(C) OSCOUT CT
VREF
CTL2
SCP
OSCIN
RT
VCC1 CTL1 CTL3 −IN3 (C)
(FPT-48P-M05)
Note : The alphabetic characters in parenthesis indicate the following input pins.
(C) : comparator
(E) : error amp
2