NJU7702/03
-1-
Ver.2006-02-23
VOLTA GE DETECTOR
GENERAL DESCRI PTION PACKAGE OUTLINE
The NJU7702/03 is a high precision and low quiescent curren t
voltage detector .
The detection voltage is internally fixed with an accuracy of
1.0 %.
The NJU7702/03 are useful for preventing malfunction of
microcomputer or DSP etc. through de tec t a drop in voltage of battery
or power supply .
NJU7702 is Nch. Open Drain and NJU7703 is a C-MOS output
type.
Small packaging makes NJU7702 and NJU7703 suitable for
space conscious applications.
FEATURES
High Precision Detection V oltage ±1. 0%
Low Quiescent Current 0.8µA ty p. (V
DET
=3V version)
Detection V oltage Range 1.3∼6.0V(0.1V S tep)
Output Configuration NJU7702: Nch. Open Drain type
NJU7703: C-MOS Output type
CMOS Technology
Package Outline SOT -23-5
PIN CONFIGURA TION
NJU7702/03F
(*1): Connect Sub terminal to GND.
EQUIVALENT CIRCUIT
NJU7702 NJU7703
NJU7702/03F
1. N
C
2. Su b (*1)
3. V
SS
4. V
OUT
5. V
DD
1
2 3
4
5
V
OUT
VRE
F
V
DD
V
SS
VRE
F
V
OUT
V
DD
V
SS
NJU7702/03
- 2 -
Ver.2006-02-23
DETECTIO N VOL TAGE RANK LI ST
3Device N ame V
DET
NJU7702/03F13 1.3V
NJU7702/03F27 2.7V
NJU7702/03F28 2.8V
NJU7702/03F03 3.0V
NJU7702/03F31 3.1V
NJU7702/03F42 4.2V
NJU7702/03F06 6.0V
NJU7702
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Input V oltage V
DD
+10 V
Output V oltage V
OUT
V
SS
-0.3∼+10 V
Out put Cur rent I
OUT
50 mA
Power Dissipation P
D
200(*2) mW
Operating Temperature Topr −40 ∼ +85 °C
Storage Temperature Tstg −40 ∼ +125 °C
(*2) : Device itself
ELECTRICAL CHARACTERISTICS (Ta=25°C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Detection V oltage V
DET
-1.0% − +1.0% V
Hysteresis V oltage V
HYS
V
DET
×0.03 V
DET
×0.05 V
DET
×0.08 V
V
DET
=1.3V∼1.7V V ersion − 0.5 1.0 µA
Qu iesce nt Curr ent I
SS
V
DD
=V
DET
+1V V
DET
=1.8V∼6.0V V ersion − 0.8 1.6 µA
V
DD
=1.2V 0.75 2.0
− mA
Out put Cur rent I
OUT
Nch,V
DS
=0.5V V
DD
=2.4V (≥2.7V V ersion) 4.5 7.0 − mA
Output Leak Current I
LEAK
V
DD
=V
OUT
=9V − − 0.1 µA
Detection Voltag
e
Temperature
Coefficient ∆ V
DET
/∆Ta Ta=0 ∼ +85°C − ±100 − ppm/°C
Operating V oltage
(*3) V
DD
R
L
=100kΩ 0.8 − 9 V
(*3): The minimum Operating Voltage(V
OPL
) indicates the same value of the input voltage(V
DD
) on condition that V
OUT
becomes 10% or less of the input voltage(V
DD
).
NJU7702/03
-
3
-
Ver.2006-02-23
TEST CIRCUIT
1 COMMO M TEST CIRCUIT
2 OUTPUT CURRENT/OUTPUT LEAK CURRE NT TE ST CIRCUIT
A
VV
NJU7702
I
SS
V
DD
V
DD
V
OUT
V
SS
/Sub
V
DET
/ V
OPL
R
L
V
OUT
V
DD
NJU7702
A
V
DD
V
OUT
V
SS
/Sub
V
DS
/ V
OUT
I
OUT
/ I
LEAK
NJU7702/03
- 4 -
Ver.2006-02-23
TYPICAL APPLICA TION
1 In case of using one power supply .
2In case of using two power supply .
V
SS
NJU7702 CPU
Micro Processor etc.
RESET SIGNAL
INPUT
V
DD
V
OUT
V
SS
/Sub
R
L
100kΩ
V
DD
V
SS
NJU7702 CPU
Micro Processor etc.
RESET SIGNAL
INPUT
V
DD
V
OUT
V
SS
/Sub
R
L
100kΩ
V
DD1
V
DD2
NJU7702/03
-
5
-
Ver.2006-02-23
NJU7703
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Input V oltage V
DD
+10 V
Output V oltage V
OUT
V
SS
-0.3 ∼ V
DD
+0.3 V
Out put Cur rent I
OUT
50 mA
Power Dissipation P
D
200(*4) mW
Operating Temperature Topr −40 ∼ +85 °C
Storage Temperature Tstg −40 ∼ +125 °C
(*4) : Device itself
ELECTRICAL CHARACTERISTICS (Ta=25°C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Detection V oltage V
DET
-1.0% − +1.0% V
Hysteresis V oltage V
HYS
V
DET
×0.03 V
DET
×0.05 V
DET
×0.08 V
V
DET
=1.3V∼1.7V V ersion − 0.5 1.0 µA
Qu iesce nt Curr ent I
SS
V
DD
=V
DET
+1V V
DET
=1.8V∼6.0V V ersion − 0.8 1.6 µA
V
DD
=1.2V 0.75 2.0
− mA
Nch,V
DS
=0.5V V
DD
=2.4V (≥2.7V V ersion) 4.5 7.0 − mA
V
DD
=4.8V (≤3.9V V ersion) 2.0 3.5 − mA
V
DD
=6.0V
(4.0V∼5.6V V ersion) 2.5 4.0 − mA
Out put Cur rent I
OUT
Pch,V
DS
=0.5V
V
DD
=8.4V (≥5.7V V ersion) 3.0 5.0 − mA
Detection V oltage
Temperature
Coefficient ∆ V
DET
/∆Ta Ta=0 ∼ +85°C − ±100 − ppm/°C
Operating V oltage
(*5) V
DD
R
L
=100kΩ 0.8 − 9 V
(*5): The minimum Operating Voltage(V
OPL
) indicates the same value of the input voltage(V
DD
) on condition that V
OUT
becomes 10% or less of the input voltage(V
DD
).
NJU7702/03
-
6
-
Ver.2006-02-23
TEST CIRCUIT
1 COMMO N TEST CIRCUIT
2 Nch OUTPUT CURRENT TEST CIRCUIT
3 Pch OUTPUT CURRENT TEST CIRCUIT
A
V V
NJU7703
I
SS
V
DD
V
DD
V
OUT
V
SS
/Sub
V
DET
V
OUT
NJU7703
A
V
DD
V
OUT
V
SS
/Sub V
DS
I
OUT
V
DD
NJU7703
A
V
DD
V
OUT
V
SS
/Sub
V
DS
V
DD
I
OUT
NJU7702/03
-7-
Ver.2006-02-23
4 MINUMUM OPERATING VOLTAGE TEST CIRCUIT
TYPICAL APPLICA TION
V
DD
V
V
NJU7703
V
DD
V
OUT
V
SS
/Sub V
OUT
V
OPL
R
L
NJU7703
V
SS
V
DD
V
DD
V
OUT
V
SS
/Sub
CPU
Micro Processor etc.
RESET SIGNAL
INPUT
NJU7702/03
-
8
-
Ver.2006-02-23
FUNCTIO NAL DESCRIPTION
(1) Basic operation
(*8): C-MOS output product (NJU7703) : When V
DD
less than V
OPL
, V
OUT
is free of the shaded region.
[CAU TION ]
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.
(1) When supply volt age(V
DD
) drops belo
w
detection voltage(V
DET
), Output voltage(V
OUT
)
changes "H" to "L" to alert reset state.
(2) The res et st ate is kept w hile V
DD
is lower than
release volt age. The release voltage is a sum
of V
DET
and Hysterisis vol tage (V
HYS
). Pleas
e
refer to the (*7) below .
(3) When V
DD
becomes higher than the releas
e
voltage, then V
OUT
changes from "L" to "H" t
o
resume norma l state.
(*7) V
HYS
is to avoid unstable V
OUT
state caused
by rapid voltage change at nearby V
DET
.
Detecti on voltag e
(V
DET
)
Release voltage
(V
DET
+ V
HYS
)
Hyster esis volt age
(V
HYS
)
Supply voltage
(V
DD
)
Output voltage
(V
OUT
)
Mi nimu m ope rat ion
voltage (V
OPL
)
V
SS
V
SS
