NJM2396
-1-
Ver.2006-02-21
LOW DROPOUT VOLTA GE REGULATOR WITH ON/OFF CONTROL
GENERAL DESCRIPTION PACKAGE OUTLINE
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.
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
NJM2396F
EQUIVALENT CIRCUIT
V
OUT
GND
V
IN
Bandgap
Reference
CONTROL
Current
Limit
Thermal
Protection
Overvoltage
Protection
ON/OFF
Control
NJM2396F
PIN FUNCTION
1. V
IN
2. V
OUT
3. GND
4. ON/OFF CONTROL
1
2
3
4
NJM2396
- 2 -
Ver.2006-02-21
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
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Input Voltage V
IN
+35 V
Control Voltage V
CONT
+35(*1) V
Output Current Io 1.5 A
Power Dissipation P
D
18(Tc<50°C) W
Operating Junction Temperature Range Tj -40 to +150 °C
Operating Temperature Range Topr -40 to 85
°C
Storage Temperature Range 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=2 2µF,T j =2 5 °C)
Measurement is to be conducted is pulse testing.
PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT
Output Voltage Vo V
IN
=V
O
+1V -4% - +4% V
Line Regulation ∆Vo/∆V
IN
V
IN
=V
O
+1V to V
O
+17V - 0.04 0.16 %/V
Load Regulation ∆Vo/∆Io V
IN
=V
O
+2V,Io=0A to 1.5A - 0.2 1.4 %/A
Average Temperature
Coefficient of Output Voltage ∆Vo/∆T Tj=0 to 125°C - ±0.02 - %/°C
Standby Current I
Q
Io=0A - - 5 mA
Dropout Voltage ∆V
I-O
Io=0.5A - 0.2 0.5 V
NJM2396F33 52 60 -
NJM2396F05 52 60 -
NJM2396F63 52 60 -
NJM2396F08 50 58 -
NJM2396F83 50 58 -
NJM2396F09 50 58 -
Ripple Rejection
NJM2396F12
RR V
IN
=V
O
+2V
ein=0.5Vrms
,
f=120Hz
48 58 -
dB
ON Control Voltage V
CONT(ON)
2.0(*2) - - V
OFF Control Voltage V
CONT(OFF)
- - 0.4 V
ON Control Current I
CONT(ON)
V
C
=2.7V - - 20
µA
OFF Control Current I
CONT(OFF)
V
C
=0.4V - - -20
µA
(*2): When ON/OFF CONTROL Terminal is open, Output Voltage is ON.
NJM2396
-
3
-
Ver.2006-02-21
POWER DISSIPATION vs. AMBIENT TEMPERATURE
TEST CIRCUIT
A
A
A
V
2
43
1
Io
22µF
Vo
0.33µF
VIN
Vc
RL
NJM2396
+
Ic
IQ
+
NJM2396F
(Topr=-40~+85°C,Tj=150°C,PD=18W(TC<25°C))
0
2
4
6
8
10
12
14
16
18
20
-50 -25 0 25 50 75 100
Ambient Temperature Ta(°C)
Power Dissipation P
D
(W)
∞ Heat Sink
W ithout Heat Sin
k
NJM2396
- 4 -
Ver.2006-02-21
TYPICAL APPLICATION
1 In the case where ON/OFF Control is not required:
Connect control terminal to V
IN
terminal or open.
2 In use of ON/OFF CONTROL:
State of control terminal:
•“H” or “open” → output is enabled.
•“L” → output is disabled.
V
OUT
CONTROL
GND
0.33µ F
V
OUT
V
IN
V
IN
NJM2396
22
µ
F
+
+
+
+
R
C
V
OUT
CONTROL
GND
0.33µ F
V
OUT
V
IN
V
IN
NJM2396
22
µ
F
NJM2396
-
5
-
Ver.2006-02-21
TYPICAL CHARACTERISTICS
0
0.02
0.04
0.06
0.08
0.1
0
2
4
6
8
10
0246810
NJM2396F05
Circuit op erating current/Output voltage
vs.Input voltage
Circuit operating curren t [A]
Output voltage [V]
Input voltage [V]
(Ta=25
o
C)
Circuit operating current
Output volt ag e
0
0.2
0.4
0.6
0.8
1
0
0.2
0.4
0.6
0.8
1
0 0.250.50.75 1 1.251.5
NJM2396F05
Dropout voltage vs.Output current
Dropout voltage [V]
Output current [A]
(Ta=25
o
C)
0
5
10
15
20
25
30
0
5
10
15
20
25
30
0 0.25 0.5 0.75 1 1.25 1.5
NJM2396F05
Circ uit operating current vs.O utput current
Circuit operating current [mA]
Output current [A]
(Ta=25
o
C,Vin=CONT=7V)
0
1
2
3
4
5
6
0
1
2
3
4
5
6
00.511.522.533.54
NJM2396F05
Overcurren t Prot ect ion Cha ract eri stics
Output Voltage [V]
Output Current [A]
(Ta=25
o
C)
Vin=Vo+1V
Vin=Vo +1 7V
Vin=35V
0
0.5
1
1.5
2
0
0.5
1
1.5
2
5 101520253035
NJM2396F05
OFF-state cu rren t vs.Input volt age
OFF-state current [mA]
Input voltage [V]
(Ta=25
o
C,CONT=0V)
-4
-3
-2
-1
0
1
2
3
4
-4
-3
-2
-1
0
1
2
3
4
0 0.25 0.5 0.75 1 1.25 1.5
NJM2396F05
Outpu t stability vs .Ou tput c urr ent
Output stability [%]
Output current [A]
(Ta=25
o
C)
Vin=CONT=Vo+12V
Vin=CONT=Vo+2V
NJM2396
-
6
-
Ver.2006-02-21
TYPICAL CHARACTERISTICS
0
10
20
30
40
50
60
70
0
10
20
30
40
50
60
70
0.1 1 10 100
NJM2396F05
Ripple rejection ratio vs. Inp ut ripple frequency
Ripple rejection ratio [dB]
Input ripple frequency [kHz]
(Ta=25
o
C,Vin=CONT=7V,ein=0.5Vrms,Io=0.5A)
0
100
200
300
400
500
0.1 1
NJM2396F05
Ou tput noise volt age vs.Output current
0
100
200
300
400
500
Output noise voltage [ µVrms]
Output current [A]
(Ta=25
o
C,Vin=CONT=7V,LPF=100kHz)
Co=22µF
Co=47µF
Co=100µF
0
10
20
30
40
50
60
70
-25 0 25 50 75 100 125
NJM2396F05
Ripple rejection ratio vs.Am b ient temperatu r e
0
10
20
30
40
50
60
70
Ripple rejection ratio [dB]
Am bient temper ature [
o
C]
(Vin=CONT=7V,ein=0.5Vrms,Io=0.5A,f=120Hz)
0
0.1
0.2
0.3
0.4
0.5
0
0.1
0.2
0.3
0.4
0.5
-25 0 25 50 75 100 125
NJM2396F05
Dropout voltage vs. Ambient temperature
Dropout voltage [V]
Ambient temperature [
o
C]
(Vin=0.95Vo)
Io=0.25A
Io=0.5A
Io=0.75A
Io=1A
4.8
4.8 5
4.9
4.9 5
5
5.0 5
5.1
5.1 5
5.2
4.8
4.85
4.9
4.95
5
5.05
5.1
5.15
5.2
-50 -25 0 25 50 75 100 125 150
NJM2396F05
Outp ut vol tage vs .Ambi ent tem pe rature
Output voltage [V]
Am bient temper ature [
o
C]
(Vin=CONT=7V,Io=0.5A)
0
1
2
3
4
5
6
-50 -25 0 25 50 75 100 125 150 175 200
NJM2396F05
Overtemperature Protection Characteristics
0
1
2
3
4
5
6
Output voltage [V]
Ambient temperature [
o
C]
(Vin=CONT=7V,Io=0A)
NJM2396
-7-
Ver.2006-02-21
TYPICAL CHARACTERISTICS
0
0.5
1
1.5
2
2.5
3
3.5
4
-25 0 25 50 75 100 125
NJM2396F05
O u tp u t peak cur rent vs.Ambien t temperature
0
0.5
1
1.5
2
2.5
3
3.5
4
Output peak current [A]
Ambient temperature [
o
C]
(@0.95Vo)
Vin-Vo=1V
Vin-Vo=0.5V
Vin-Vo=2V
Vin-Vo=5V
1
1.5
2
2.5
3
3.5
4
4.5
5
-50 -25 0 25 50 75 100 125 150
NJM2396F05
Quiescent current vs.Ambient temperature
1
1.5
2
2.5
3
3.5
4
4.5
5
Quiescent current [mA]
Ambient temperature [
o
C]
(Vin=35V)
0
0.1
0.2
0.3
0.4
0.5
0
0.1
0.2
0.3
0.4
0.5
-50 -25 0 25 50 75 100 125 150
NJM2396F05
OFF-stat e current vs.Ambient te mperature
OFF-state current [mA]
Ambient temperature [
o
C]
(Vin=12V,CONT=0V)
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
