M51995AP Function Description - MITSUBISHI

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M51995AP

Manufacturer Part Number
M51995AP
Description
Switching regulator control
Manufacturer
MITSUBISHI
Datasheet

FUNCTION DESCRIPTION

Type M51995AP and M51995AFP are especially designed for
off-line primary PWM control IC of switching mode power supply
(SMPS) to get DC voltage from AC power supply.
Using this IC,smart SMPS can be realized with reasonable
cost and compact size as the number of external electric
AC
C
FIN
2
4
AC
C
FIN
2
4
3
1
M51995AP
8
6
3
14
13
15
9
10
11 12
C
C
F
T
R
R
ON
OFF
A
Pin No.is related with M51995AP
Fig.1 Example application circuit diagram of feed forward regulator
1
M51995AP
14
13
15
9
10
11 12
8
6
7
C
F
R
R
ON
OFF
Pin No.is related with M51995AP
Fig.2 Example application circuit diagram of fly-back regulator
(
/ 27 )
12
MITSUBISHI (Dig./Ana. INTERFACE)
M51995AP/FP
SWITCHING REGULATOR CONTROL
parts can be reduced and also parts can be replaced by
reasonable one.
In the following circuit diagram,MOS-FIT is used for output
transistor,however bipolar transistor can be used with no
problem.
R1
A
16
R2
Cvcc
5
7
OVP
F/B
R1
OVP
F/B
16
R21
Cvcc
5
R22
V
OUT2
V
OUT1
ON/OFF
V
OUT

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