M51995AP

Manufacturer Part NumberM51995AP
DescriptionSwitching regulator control
ManufacturerMITSUBISHI
M51995AP datasheet
 
1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Page 9/27

Download datasheet (462Kb)Embed
PrevNext
ON duty VS.
F/B TERMINAL INPUT CURRENT
50
(f
R
R
40
30
Ta=-30°C
Ta=25°C
Ta=85°C
20
10
0
0
0.5
1.0
1.5
F/B TERMINAL INPUT CURRENT I
OSCILLATING FREQUENCY VS. CF
TERMINAL CAPACITY
10000
1000
R
=22k
ON
R
=12k
OFF
R
=36k
100
ON
R
=6.2k
OFF
R
=24k
ON
R
=20k
OFF
10
1
3
3
3
1
10
100
CF TERMINAL CAPACITY(pF)
OSCILLATING FREQUENCY VS.
AMBIENT TEMPERATURE
120
110
100
90
80
-60 -40
-20
0
20
40
AMBIENT TEMPERATURE Ta(°C)
UPPER & LOWER LIMIT VOLTAGE OF OSC
=500kHz)
OSC
5.2
=18k
ON
=20k
OFF
4.8
4.4
4.0
2.2
2.0
1.8
-60
2.0
2.5
(mA)
F/B
100
90
80
70
60
50
40
30
20
10
0
3
1
1000
10000
700
R
=24k
ON
R
=20k
OFF
600
C
=330pF
F
500
400
300
200
60
80
100
-60
(
/ 27 )
9
M51995AP/FP
SWITCHING REGULATOR CONTROL
VS. AMBIENT TEMPERATURE
R
=18k
ON
R
=20k
OFF
f
=500kHz
OSC
f
=200kHz
OSC
f
=100kHz
OSC
f
=100kHz
OSC
f
=200kHz
OSC
f
=500kHz
OSC
-40
-20
0
20
40
60
80
AMBIENT TEMPERATURE Ta(°C)
ON duty VS. R
OFF
R
=75k
ON
51k
36k
24k
22k
18k
15k
10k
5
7
5
3
3
10
R
(k )
OFF
OSCILLATING FREQUENCY VS.
AMBIENT TEMPERATURE
R
=24k
ON
R
=20k
OFF
C
=47pF
F
-40
-20
0
20
40
60
80
AMBIENT TEMPERATURE Ta(°C)
100
7
100
100