MB3782PF-G-BND Fujitsu Components, MB3782PF-G-BND Datasheet - Page 4

• Manufacturer Part Number: MB3782PF-G-BND
• Manufacturer: Fujitsu Components

Specifications of MB3782PF-G-BND

• Pwm Type: Switching Regulator Controller
• Number Of Pwm Outputs: 3
• Switching Freq: 1 TO 500kHz
• Operating Supply Voltage (max): 18V
• Output Current: 50A
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: SOP
• Lead Free Status / Rohs Status: Not Compliant

4
MB3782
BLOCK DIAGRAM
DTC1
DTC2
DTC3
+ IN1
- IN1
- IN2
- IN3
SCP
FB1
FB2
FB3
13
12
11
18
17
16
14
4
5
6
7
SCP Comp.
1.25 V
Triangular wave
R
3
T
oscillator
+
+
1.25 V
+
1.25 V
-
-
-
Error Amp 1
Error Amp 2
Error Amp 3
1 A
+
-
-
-
C
2
T
2.1 V
S
Latch
2.5 V
R
PWM Comp.1
PWM Comp.2
PWM Comp.3
V
+
+
+
+
+
+
-
-
-
V
REF
1
Reference
REF
voltage
source
U.V.L.O.
Power on/off
V
20
CC
control
circuit
Ch.1
Ch.2
Ch.3
CLT
19
10
15
9
8
GND
OUT1
OUT2
OUT3