NJM2396
LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL
GENERAL DESCRIPTION
The NJM2396 is low dropout voltage regulator with ON/OFF control.
The output current is up to 1.5A and dropout voltage is 0.2Vtyp. at
Io=0.5A.
PACKAGE OUTLINE
The NJM2396 is suitable for power module, TV, Display, car stereo
and low power applications.
FEATURE
Low Dropout Voltage
∆V
I-O
=0.2V typ. at Io=0.5A
Output Current
Io(max.)=1.5A
ON/OFF Control
Internal Short Circuit Current Limit
Internal Overvoltage Protection
Internal Thermal Overload Protection
Bipolar Technology
Package Outline
TO-220F-4
PIN CONFIGURATION
PIN FUNCTION
1. V
IN
2. V
OUT
3. GND
4. ON/OFF CONTROL
123 4
NJM2396F
NJM2396F
EQUIVALENT CIRCUIT
V
IN
CONTROL
Overvoltage
Protection
V
OUT
ON/OFF
Control
Bandgap
Reference
Thermal
Protection
Current
Limit
GND
Ver.2006-02-21
-1-
NJM2396
OUTPUT VOLTAGE RANK LIST
Device Name
V
OUT
NJM2396F33
3.3V
NJM2396F05
5.0V
NJM2396F63
6.3V
NJM2396F08
8.0V
NJM2396F83
8.3V
NJM2396F09
9.0V
NJM2396F12
12.0V
(Ta=25°C)
SYMBOL
RATINGS
UNIT
V
IN
+35
V
V
CONT
+35(*1)
V
Io
1.5
A
P
D
W
18(Tc<50°C)
Tj
-40 to +150
°C
Topr
-40 to 85
°C
Tstg
-50 to 150
°C
(*1): When input voltage is less than +35V, the absolute maximum control voltage is equal to the input voltage.
ELECTRICAL CHARACTERISTICS (V
IN
=V
O
+1V,Io=0.5A,C
IN
=0.33µF,Co=22µF,Tj=25°C)
Measurement is to be conducted is pulse testing.
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
Output Voltage
Vo
V
IN
=V
O
+1V
-4%
-
Line Regulation
∆Vo/∆V
IN
V
IN
=V
O
+1V to V
O
+17V
-
0.04
Load Regulation
∆Vo/∆Io
V
IN
=V
O
+2V,Io=0A to 1.5A
-
0.2
Average Temperature
-
∆Vo/∆T
Tj=0 to 125°C
±0.02
Coefficient of Output Voltage
Standby Current
I
Q
Io=0A
-
-
Dropout Voltage
Io=0.5A
-
0.2
∆V
I-O
NJM2396F33
52
60
NJM2396F05
52
60
NJM2396F63
52
60
V
IN
=V
O
+2V
Ripple Rejection NJM2396F08 RR
50
58
ein=0.5Vrms
,
f=120Hz
NJM2396F83
50
58
NJM2396F09
50
58
NJM2396F12
48
58
ON Control Voltage
V
CONT(ON)
2.0(*2)
-
OFF Control Voltage
V
CONT(OFF)
-
-
ON Control Current
V
C
=2.7V
-
-
I
CONT(ON)
OFF Control Current
I
CONT(OFF)
V
C
=0.4V
-
-
(*2): When ON/OFF CONTROL Terminal is open, Output Voltage is ON.
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Input Voltage
Control Voltage
Output Current
Power Dissipation
Operating Junction Temperature Range
Operating Temperature Range
Storage Temperature Range
MAX.
+4%
0.16
1.4
-
5
0.5
-
-
-
-
-
-
-
-
0.4
20
-20
UNIT
V
%/V
%/A
%/°C
mA
V
dB
V
V
µA
µA
-2-
Ver.2006-02-21
NJM2396
POWER DISSIPATION vs. AMBIENT TEMPERATURE
NJM2396F
(Topr=-40~+85°C,Tj=150°C,P
D
=18W(T
C
<25°C))
20
Power Dissipation P
D
(W)
18
16
14
12
10
8
6
4
2
0
-50
-25
0
25
50
75
100
Without Heat Sink
∞
Heat Sink
Ambient Temperature Ta(°C)
TEST CIRCUIT
1
NJM2396
2
V
IN
0.33µF +
I
Q
3
4
A
+
Ic
Vc
22µF
Io
R
L
A
A
V
Vo
Ver.2006-02-21
-3-
NJM2396
TYPICAL APPLICATION
1
In the case where ON/OFF Control is not required:
V
IN
V
IN
V
OUT
V
OUT
+
0.33µ F
NJM2396
+
22µ F
CONTROL
GND
Connect control terminal to V
IN
terminal or open.
2
In use of ON/OFF CONTROL:
V
IN
V
IN
V
OUT
V
OUT
+
0.33µ F
NJM2396
+
22µ F
R
C
CONTROL
GND
State of control terminal:
•“H”
or “open”
→
output is enabled.
•“L” →
output is disabled.
-4-
Ver.2006-02-21
NJM2396
TYPICAL CHARACTERISTICS
NJM2396F05
Circuit operating current/Output voltage
vs.Input voltage
0.1
(Ta=25
o
C)
10
1
NJM2396F05
Dropout voltage vs.Output current
(Ta=25 C)
o
1
Circuit operating current [A]
0.08
Output voltage
0.06
8
0.8
0.8
Dropout voltage [V]
Output voltage [V]
6
0.6
0.6
0.04
4
0.4
0.4
Circuit operating current
0.02
2
0.2
0.2
0
0
2
4
6
8
10
0
0
0
0.25
0.5
0.75
1
1.25
1.5
0
Input voltage [V]
Output current [A]
NJM2396F05
Circuit operating current vs.Output current
30
(Ta=25 C,Vin=CONT=7V)
o
NJM2396F05
Overcurrent Protection Characteristics
30
6
(Ta=25 C)
Vin=Vo+17V
o
6
Circuit operating current [mA]
25
25
5
Vin=35V
5
Output Voltage [V]
20
20
4
4
15
15
3
Vin=Vo+1V
3
10
10
2
2
5
5
1
1
0
0
0.25
0.5
0.75
1
1.25
1.5
0
0
0
0.5
1
1.5
2
2.5
3
3.5
4
0
Output current [A]
Output Current [A]
NJM2396F05
OFF-state current vs.Input voltage
o
2
(Ta=25 C,CONT=0V)
2
NJM2396F05
Output stability vs.Output current
4
(Ta=25
o
C)
4
3
3
OFF-state current [mA]
1.5
1.5
2
2
Vin=CONT=Vo+12V
Output stability [%]
1
1
1
1
0
0
-1
Vin=CONT=Vo+2V
-1
0.5
0.5
-2
-2
-3
-3
0
5
10
15
20
25
30
35
0
-4
0
0.25
0.5
0.75
1
1.25
1.5
-4
Input voltage [V]
Output current [A]
Ver.2006-02-21
-5-
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