NJU7231
High Precision C-MOS 3-Terminal Voltage Regulator
■ GENERAL DESCRIPTION ■ PACKAGE OUTLINE
The NJU7231 is high precision output voltage 3-terminal
positive voltage regulator.
The NJU7231 is suitable for battery operated items and
battery back-up systems, because of low operating current
and low dropout voltage.
■ FEATURES NJU7231L NJU7231U
●High Precision Output Vo±2%
●Low Operating Current 10uA typ.
●Low Dropout Voltage ∆V
I
-
O
<0.6V @Io=40mA NJU7231F
●Wide Operating Voltage Range
●Package Outline TO-92/SOT-89/MTP-5
●Bipolar Technology
■ OUTPUT VOLTAGE RANK LIST ■ TERMINAL DESCRIPTION
■ EQUIVALENT CIRCUIT
Output Voltage TO-92 SOT-89 MTP-5 Description
+1.2V NJU7231L12 NJU7231U12 NJU7231F12
No. TO-92/SOT-89 MTP-5
+1.5V NJU7231L15 NJU7231U15 NJU7231F15 1 GND GND
+1.8V NJU7231L18 NJU7231U18 NJU7231F18 2 INPUT INPUT
+2.5V NJU7231L25 NJU7231U25 NJU7231F25 3 OUTPUT OUTPUT
+2.6V NJU7231L26 NJU7231U26 NJU7231F26 4 - NC
+2.7V NJU7231L27 NJU7231U27 NJU7231F27 5 - NC
+2.8V NJU7231L28 NJU7231U28 NJU7231F28
+2.9V NJU7231L29 NJU7231U29 NJU7231F29
+3.0V NJU7231L30 NJU7231U30 NJU7231F30
+3.3V NJU7231L33 NJU7231U33 NJU7231F33
+5.0V NJU7231L50 NJU7231U50 NJU7231F50
+5.2V NJU7231L52 NJU7231U52 NJU7231F52
1
2
3
1
2
3
V
OUT
+
-
V
REF
GND
GND
V
IN
NJU7231
■ ABSOLUTE MAXIMUM RATING
(Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Input Voltage V
IN
18 V
Output Voltage V
OUT
GND-0.3 ~ V
IN
+0.3 V
Output Current I
OUT
100 mA
Power Dissipation P
D
500 (T0-92)
300 (SOT-89)
200 (MTP-5)
mW
Operating Temperature Topr - 40 ~ + 85 °C
Storage Temperature Tstg - 55 ~ +125 °C
■ ELECTRICAL CHARACTERISTICS
+1.2V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=3.0V, I
OUT
=5mA 1.176 1.200 1.224 V 1
Dropout Voltage
∆
V
IO
I
OUT
=0.5mA - 0.02 0.3 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=3.0V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=3.0V, I
OUT
=1~15mA - 10 180 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=1.5~12.0V - 0.1 - %/V
3
+1.5V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=3.0V, I
OUT
=5mA 1.470 1.500 1.530 V 1
Dropout Voltage
∆
V
IO
I
OUT
=0.5mA - 0.02 0.30 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=3.0V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=3.0V, I
OUT
=1~15mA - 10 180 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=1.5~12.0V - 0.1 - %/V
3
+1.8V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=3.0V, I
OUT
=5mA 1.764 1.800 1.836 V 1
Dropout Voltage
∆
V
IO
I
OUT
=0.5mA - 0.02 0.30 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=3.0V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=3.0V, I
OUT
=1~15mA - 10 180 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=2.1~12.0V - 0.1 - %/V
3
NJU7231
+2.5V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=4.5V, I
OUT
=10mA 2.45 2.50 2.55 V 1
Dropout Voltage
∆
V
IO
I
OUT
=20mA - 0.2 0.6 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=4.5V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=4.5V, I
OUT
=1~20mA - 15 180 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=3.5~12.0V - 0.1 - %/V
3
+2.6V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=4.6V, I
OUT
=10mA 2.548 2.600 2.652 V 1
Dropout Voltage
∆
V
IO
I
OUT
=20mA - 0.2 0.6 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=4.6V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=4.6V, I
OUT
=1~20mA - 15 180 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=3.6~12.0V - 0.1 - %/V
3
+2.7V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=4.7V, I
OUT
=10mA 2.646 2.70 2.754 V 1
Dropout Voltage
∆
V
IO
I
OUT
=20mA - 0.2 0.6 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=4.7V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=4.7V, I
OUT
=1~20mA - 15 180 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=3.7~12.0V - 0.1 - %/V
3
+2.8V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=4.8V, I
OUT
=10mA 2.744 2.800 2.856 V 1
Dropout Voltage
∆
V
IO
I
OUT
=20mA - 0.2 0.6 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=4.8V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=4.8V, I
OUT
=1~20mA - 15 180 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=3.8~12.0V - 0.1 - %/V
3
+2.9V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=4.9V, I
OUT
=10mA 2.842 2.900 2.958 V 1
Dropout Voltage
∆
V
IO
I
OUT
=20mA - 0.2 0.6 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=4.9V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=4.9V, I
OUT
=1~20mA - 15 180 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=3.9~12.0V - 0.1 - %/V
3
NJU7231
+3.0V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=5.0V, I
OUT
=10mA 2.94 3.00 3.06 V 1
Dropout Voltage
∆
V
IO
I
OUT
=20mA - 0.2 0.6 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=5.0V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=5.0V, I
OUT
=1~20mA - 15 180 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=4.0~12.0V - 0.1 - %/V
3
+3.3V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=5.3V, I
OUT
=10mA 3.234 3.300 3.366 V 1
Dropout Voltage
∆
V
IO
I
OUT
=20mA - 0.2 0.6 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=5.3V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=5.3V, I
OUT
=1~20mA - 15 180 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=4.3~12.0V - 0.1 - %/V
3
+5.0V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=7.0V, I
OUT
=30mA 4.90 5.00 5.10 V 1
Dropout Voltage
∆
V
IO
I
OUT
=40mA - 0.3 0.6 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=7.0V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=7.0V, I
OUT
=1~40mA - 35 120 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=6.0~12.0V - 0.1 - %/V
3
+5.0V Version (C
IN
=C
O
=0.1uF, Ta=25°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT CIRCUIT
Output Voltage V
OUT
V
IN
=7.2V, I
OUT
=30mA 5.096 5.200 5.304 V 1
Dropout Voltage
∆
V
IO
I
OUT
=40mA - 0.3 0.6 V
1
Input Voltage V
IN
- - 15 V 2
Operating Current I
Q
V
IN
=7.2V - 10 20 uA 2
Load Regulation
∆
V
OUT
/
∆
I
OUT
V
IN
=7.2V, I
OUT
=1~40mA - 35 120 mV 3
Line Regulation
∆
V
OUT
/(
∆
V
IN
·V
OUT
) V
IN
=6.2~12.0V - 0.1 - %/V
3
■ MEASUREMENT CIRCUIT
V
IN
V
IN
V
OUT
GND
0.1uF
I
IN
0.1uF
I
OUT
V
A
+ +
A
RL
NJU7231
[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.
