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MB3800 Datasheet, PDF (3/18 Pages) Fujitsu Component Limited. – Switching Regulator Controller (Low Voltage) | |||
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s BLOCK DIAGRAM
MB3800
âIN
1
FB
8
V CC
OSC
3
7
Reference
voltage supply
0.6 Vâ
0.1 Vâ
1.25 V
â
36 kâ¦
+
Error Amp.
0.5 V
500 â¦
Sawtooth wave
oscillator
0.1 V
PWM
â Comp.
+
+
+
DTC 0.6 V
Output drive
control circuit
0.3 V
OUT
5
30 kâ¦
6
GND
Soft start SCP
2
SCP
4
BR/CTL
(8 pin)
3
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