M51995 Mitsubishi, M51995 Datasheet - Page 9

• Manufacturer Part Number: M51995
• Description: SWITCHING REGULATOR CONTROL
• Manufacturer: Mitsubishi

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