M51995 Mitsubishi, M51995 Datasheet - Page 2
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M51995
Manufacturer Part Number
M51995
Description
SWITCHING REGULATOR CONTROL
Manufacturer
Mitsubishi
Datasheet
1.M51995.pdf
(27 pages)
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ABSOLUTE MAXIMUM RATINGS
OSCILLATOR RESISTANCE T-OFF
BLOCK DIAGRAM
OSCILLATOR RESISTANCE T-ON
V
V
V
V
I
V
I
V
I
I
P
K
T
T
Tj
V
V
I
OSCILLATOR CAPACITANCE CF
OVP
DET
TON
TOFF
Symbol
O
Note 1."+" sign shows the direction of current flow into the IC and "-" sign shows the current flow from the IC.
VF
ON/OFF
CLM-
CLM+
DET
FB
opr
stg
CC
C
d
OVP(shut down)
(OFF duty)
2.This terminal has the constant voltage characteristic of 6 to 8V,when current is supplied from outside.The maximum allowable
3.The low impedance voltage supply should not be applied to the OVP terminal.
(ON duty)
voltage is 6V when the constant voltage is applied to this terminal.And maximum allowable current into this terminal is 5mA.
CLM+terminal voltage
OVP terminal current
DET terminal voltage
DET terminal input current
T-ON terminal input current
Power dissipation
Thermal derating factor
Operating temperature
Storage temperature
Junction temperature
Supply voltage
Collector voltage
Output current
V
ON/OFF terminal voltage
CLM-terminal voltage
F/B terminal voltage
T-OFF terminal input current
ON/OFF
F
terminal voltage
VF
Parameter
LATCH
LOCKOUT
VOLTAGE
UNDER
V
CC
OSCILLATOR
(TRIANGLE)
REGULATOR
VOLTAGE
+CURRENT LIMIT
LIMIT LATCH
+CURRENT
Continuous
Peak
Ta=25˚C
Ta>25˚C
CLM+
5.8V
7.1V
1S
(
15.2K
2
COMPARATOR
/ 27 )
PWM
1S
-CURRENT LIMIT
LIMIT LATCH
1S
-CURRENT
Conditions
3K
CLM-
6S
LATCH
500
PWM
SWITCHING REGULATOR CONTROL
F/B
INTERMITTENT
OSC CONTROL
ACTION AND
OP AMP
INTERMITTENT OPERATION
DETERMINE CAPACITANCE
DET
2.5V
M51995AP/FP
INTERMITTENT
GND
ACTION
CT
-4.0 to +4.0
-0.3 to +4.0
-40 to +125
-30 to +85
Ratings
±0.15
0~10
Vcc
Vcc
150
1.5
12
36
36
±2
-1
-2
8
6
5
COLLECTOR
EMITTER
V
OUT
mW/˚C
Unit
mA
mA
mA
mA
W
˚C
˚C
˚C
A
V
V
V
V
V
V
V
V