MB3782PF FUJITSU [Fujitsu Component Limited.], MB3782PF Datasheet - Page 2
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MB3782PF
Manufacturer Part Number
MB3782PF
Description
ASSP Power Supplies BIPOLAR Switching Regulator Controller
Manufacturer
FUJITSU [Fujitsu Component Limited.]
Datasheet
1.MB3782PF.pdf
(27 pages)
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2
MB3782
PIN ASSIGNMENT
PIN DESCRIPTION
Pin No.
1
2
3
4
5
6
7
Pin Name
DTC1*
+IN1
–IN1
V
FB1
C
R
REF
T
T
1
I/O
—
—
O
O
I
I
I
DTC1
OUT2
PUT1
+ IN1
– IN1
GND
V
FB1
REF
C
R
T
T
2.50 V (typ) voltage output: provides load current up to 3 mA,
for use as error amplifier reference input and for dead time
setting.
Oscillator timing capacity connection: should be used in the
capacity range 150 to 15000 pF.
Oscillator timing resistor connection: should be used in the
resistance range 5.1 to 100 k . This pin can also provide
output at voltage level V
reference input.
Error amplifier 1 non-inverting input pin.
Error amplifier 1 inverting input pin.
Error amplifier 1 output pin: connect resistor and capacitor
between this pin and the –IN1 pin to set gain and adjust
frequency characteristics.
OUT1 dead time setting pin: V
external resistor and applied to set dead time. Also, a capacitor
may be connected between this pin and the GND pin to perform
soft start operations.
10
1
2
3
4
5
6
7
8
9
(FPT-20P-M01)
(DIP-20P-M01)
TOP VIEW
20
19
18
17
16
15
14
13
12
11
V
CTL
– IN3
FB3
DTC3
OUT3
SCP
– IN2
FB2
DTC2
CC
REF
Description
/2, for use as error amplifier
REF
voltage is divided by an
(Continued)