NJU7221 Series
HIGH PRECISION C-MOS 3-TERMINAL VOLTAGE REGULATOR
■
GENERAL DESCRIPTION
The
NJU7221 series
is a high precision output voltage(±2%)
3-terminal positive voltage regulator which contains internal accurate
voltage reference, error amplifier, control transistor and output
voltage setting resistor.
The regulation voltage is fixed by internal circuits and the following
line-up of different output voltage versions are available.
The
NJU7221 series
is suitable for battery operated items and
battery back-up systems because of low operating current and low
dropout voltage.
■
FEATURES
•
High Precision Output Voltage
(±2%)
•
Low Operating Current
(19µA typ.)
•
Low Dropout Voltage
(∆V
IO
< 0.6V, I
O
= 100mA)
•
Wide Operating Voltage Range
•
Small Temperature Coefficient of Output Voltage
•
Package Outline
(TO-92-L2 / SOT-89)
•
C-MOS Technology
■
OUTPUT VOLTAGE LINE-UP
Output Voltage TO-92-L2 Type
SOT-89 Type Output Voltage TO-92-L2 Type SOT-89 Type
+1.2V
NJU7221L212
NJU7221U12
+3.2V
NJU7221L232
NJU7221U32
+1.5V
NJU7221L215
NJU7221U15
+3.5V
NJU7221L235
NJU7221U35
+1.9V
NJU7221L219
NJU7221U19
+4.0V
NJU7221L240
NJU7221U40
+2.0V
NJU7221L220
NJU7221U20
+5.0V
NJU7221L250
NJU7221U50
+2.5V
NJU7221L225
NJU7221U25
+5.2V
NJU7221L252
NJU7221U52
+2.7V
NJU7221L227* NJU7221U27*
+5.5V
NJU7221L255
NJU7221U55
+3.0V
NJU7221L230
NJU7221U30
-
-
-
Note1) The SOT-89 type name is different from the marking, so it refer to attached paper correspondence table.
Note2) *:Planning Products.
■
EQUIVALENT CIRCUIT
V
IN
2
3
V
OUT
■
PACKAGE OUTLINE
3
12
3
12
NJU7221L2
(TO-92-L2)
NJU7221U
(SOT-89)
■
TERMINAL DESCRIPTION
No.
Description
1
GND
2
Input
3
Output
+
-
V
REF
GND
1
Ver.2005-11-26
-1-
NJU7221 Series
+4.0V Version
PARAMETER
Output Voltage
Dropout Voltage
Input Voltage
Operating Current
Load Regulation
Line Regulation
SYMBOL
V
OUT
∆V
IO
V
IN
I
Q
∆V
OUT
/
∆I
OUT
∆V
OUT
/ (∆V
IN
½V
OUT
)
CONDITION
V
IN
= 6.0V, I
OUT
= 30mA
I
OUT
= 40mA
V
IN
= 6.0V
V
IN
= 6.0V, I
OUT
= 1∼40mA
V
IN
= 5.0∼12V
（C
IN
= C
o
= 0.1µF, T
a
= 25°C）
MIN.
3.92
-
-
-
-
-
TYP.
4.00
0.3
-
19
35
0.1
MAX.
4.08
0.6
12
30
120
-
UNIT
V
V
V
µA
mV
%/V
+5.0V Version
PARAMETER
Output Voltage
Dropout Voltage
Input Voltage
Operating Current
Load Regulation
Line Regulation
SYMBOL
V
OUT
∆V
IO
V
IN
I
Q
∆V
OUT
/
∆I
OUT
∆V
OUT
/ (∆V
IN
½V
OUT
)
CONDITION
V
IN
= 7.0V, I
OUT
= 30mA
I
OUT
= 40mA
V
IN
= 7.0V
V
IN
= 7.0V, I
OUT
= 1∼40mA
V
IN
= 6.0∼12V
（C
IN
= C
o
= 0.1µF, T
a
= 25°C）
MIN.
4.90
-
-
-
-
-
TYP.
5.00
0.3
-
19
35
0.1
MAX.
5.10
0.6
12
30
120
-
UNIT
V
V
V
µA
mV
%/V
+5.2V Version
PARAMETER
Output Voltage
Dropout Voltage
Input Voltage
Operating Current
Load Regulation
Line Regulation
SYMBOL
V
OUT
∆V
IO
V
IN
I
Q
∆V
OUT
/
∆I
OUT
∆V
OUT
/ (∆V
IN
½V
OUT
)
CONDITION
V
IN
= 7.2V, I
OUT
= 30mA
I
OUT
= 40mA
V
IN
= 7.2V
V
IN
= 7.2V, I
OUT
= 1∼40mA
V
IN
= 6.2∼12V
（C
IN
= C
o
= 0.1µF, T
a
= 25°C）
MIN.
5.096
-
-
-
-
-
TYP.
5.200
0.3
-
19
35
0.1
MAX.
5.304
0.6
12
30
120
-
UNIT
V
V
V
µA
mV
%/V
+5.5V Version
PARAMETER
Output Voltage
Dropout Voltage
Input Voltage
Operating Current
Load Regulation
Line Regulation
SYMBOL
V
OUT
∆V
IO
V
IN
I
Q
∆V
OUT
/
∆I
OUT
∆V
OUT
/ (∆V
IN
½V
OUT
)
CONDITION
V
IN
= 7.5V, I
OUT
= 30mA
I
OUT
= 40mA
V
IN
= 7.5V
V
IN
= 7.5V, I
OUT
= 1∼40mA
V
IN
= 6.5∼12V
（C
IN
= C
o
= 0.1µF, T
a
= 25°C）
MIN.
5.39
-
-
-
-
-
TYP.
5.50
0.3
-
19
35
0.1
MAX.
5.61
0.6
12
30
120
-
UNIT
V
V
V
µA
mV
%/V
■
MEASUREMENT CIRCUIT
V
IN
NJU7221
DC
C
IN
GND
V
OUT
V
C
O
I
OUT
[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.
-4-
Ver.2005-11-26
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