MB3782 Fujitsu Media Devices, MB3782 Datasheet - Page 9
MB3782
Manufacturer Part Number
MB3782
Description
Switching Regulator Controller
Manufacturer
Fujitsu Media Devices
Datasheet
1.MB3782.pdf
(28 pages)
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DataSheet4U.com
www.DataSheet4U.com
DataSheet
4
U
Step up
Step down
Inverting
.com
The non-inverting input to the error amps on channel 2 and channel 3 is internally connected to V
therefore cannot be configured for inverting output.
Figure 3 Error amp (channel 2, channel 3) connection
1.25 V
ch-1
R
R
1
2
DataSheet4U.com
+
–
ch-2
R
NF
V
0 +
V
0 +
=
ch-3
pin 12,17
1.25
R
2
· (R1 + R2)
MB3782
REF
/2, and
9