NJU7719
VOLTAGE DETECTOR
!
GENERAL DESCRIPTION
The NJU7719 is a low quiescent current voltage
detector featuring high precision detection voltage.
The detection voltage is internally fixed with an accuracy
of 1.0%.
NJU7719 is Nch. Open Drain output type.
!
FEATURES
"
High Precision detection Voltage
"
Low Quiescent Current
"
Detection Voltage Range
"
Output Configuration
"
Package Outline
!
PIN CONFIGURATION
2
!
PACKAGE OUTLINE
NJU7719U1
±1.0%
0.8µA typ.
1.3
∼
6.0V(0.1V step)
Nch. Open Drain Type
SOT-89-3
1
2
3
PIN FUNCTION
1. V
DD
2. V
SS
3. V
OUT
NJU7719U1
!
EQUIVALENT CIRCUIT
V
DD
V
OUT
Vref
V
SS
!
DETECTION VOLTAGE RANK LIST
Device Name
V
DET
Device Name
NJU7719U1-21
2.1V
NJU7719U1-34
NJU7719U1-23
2.3V
NJU7719U1-39
NJU7719U1-27
2.7V
NJU7719U1-42
NJU7719U1-29
2.9V
NJU7719U1-45
NJU7719U1-32
3.2V
V
DET
3.4V
3.9V
4.2V
4.5V
Ver.2005-04-14
-1-
NJU7719
!
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Input Voltage
V
DD
Output Voltage
V
OUT
Output Current
I
OUT
Power Dissipation
P
D
Operating Temperature
Topr
Storage Temperature
Tstg
(*1): Device itself
RATINGS
+10
V
SS
-0.3
∼
+10
50
350(*1)
−40
∼
+85
−40
∼
+125
(Ta=25°C)
UNIT
V
V
mA
mW
°C
°C
!
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Detection Voltage
V
DET
Hysterisis Voltage
Quiescent Current
Output Current
Output Leak Current
Detection Voltage
Temperature
Coefficient
Operating Voltage
(*2)
V
HYS
I
SS
I
OUT
I
LEAK
(Ta=25°C)
TEST CONDITION
MIN. TYP. MAX. UNIT
-1.0%
+1.0%
V
−
V
DET
V
DET
V
DET
V
×0.03 ×0.05 ×0.08
0.5
1.0
V
DET
=1.3V∼1.7V Version
µA
−
V
DD
=V
DET
+1V
0.8
1.6
V
DET
=1.8V∼6.0V Version
µA
−
V
DD
=1.2V
0.75
2.0
mA
−
Nch,V
DS
=0.5V
4.5
7.0
mA
V
DD
=2.4V (≥2.7V Version)
−
V
DD
=V
OUT
=9V
0.1
µA
−
−
−
0.8
±100
−
−
9
ppm/°C
V
∆V
DET
/∆Ta Ta=0
∼
+85°C
V
DD
R
L
=100kΩ
(*2): 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
).
-2-
Ver.2005-04-14
NJU7719
!
TEST CIRCUIT
1
COMMON TEST CIRCUIT
R
L
I
SS
A
V
DD
V
OUT
NJM7719
V
V
DD
V
DET
/
V
OPL
V
SS
V
OUT
V
2
Output Current/Output Leak Current TEST CIRCUIT
I
LEAK
/
I
OUT
V
DD
V
OUT
A
NJM7719
V
OUT
/
V
DS
V
DD
V
SS
!
TYPICAL APPLICATION
V
DD
R
L:
100k
Ω
V
DD
V
OUT
NJM7719
Reset Signal
INPUT
Micro-Processor
etc
V
SS
V
SS
Ver.2005-04-14
-3-
NJU7719
!
TYPICAL CHARACTERISTICS
2.5
NJU7719
Input Voltage vs. Quiescent Current
VDET=2.1V
VDET=2.9V
VDET=4.5V
2.5
0.5
NJU7719
Input Voltage vs.Output Voltage
VDET=2.1V
VDET=2.9V
VDET=4.5[V
0.5
2
2
0.4
0.4
[µA]
Quiescent Current: I
1.5
1.5
Output Voltage: V
OUT
[v]
SS
0.3
0.3
1
1
0.2
0.2
0.5
0.5
0.1
0.1
0
0
2
4
6
8
10
12
0
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
Input Voltage:V
DD
[V]
Input Voltage:V
DD
[V]
1
NJU7719
Output Voltage vs.Leak Current
VDET=2.1V
VDET=2.9V
VDET=4.5V
1
NJU7719U21
Detection Voltage vs.Ambient Temperature
2.13
2.13
0.8
0.8
2.12
2.12
Detection Voltage:V
DET
[V]
Leak Current: I
LEAK
[nA]
2.11
2.11
0.6
0.6
2.1
2.1
0.4
0.4
2.09
2.09
0.2
0.2
2.08
2.08
0
0
2
4
6
8
10
12
0
2.07
-50
0
50
100
2.07
150
Output Voltage: V
OUT
[V]
Ambient Temperature:Ta [°
C]
-4-
Ver.2005-04-14
NJU7719
!
TYPICAL CHARACTERISTICS
25
NJU7719
Drain-Source Voltage vs.Output Curent
VDD=1.2V
VDD=2.4V
VDD=4.2V
25
NJU7719
Ambient Temperature vs.Fall Delay Time
100
VDET=2.1V
VDET=2.9V
VDET=4.5V
100
20
20
Output Current: I
OUT
[mA]
15
15
Fall Delay Time:t
PHL
[us]
10
10
10
10
5
5
0
0
0.2
0.4
0.6
0.8
1
0
1
-50
0
50
100
1
150
Drain-Source Voltage: V
DS
[V]
Ambient Temperature:Ta [°
C]
NJU7719
Ambient Temperature vs.Rise Delay Time
100
VDET=2.1V
VDET=2.9V
VDET=4.5V
100
0.6
NJU7719
Input Voltage vs.Output Voltage
Ta=-50[ ‹C]
Ta=25[ ‹C]
Ta=100[ ‹C]
0.6
0.5
0.5
Rise Delay Time:t
PLH
[us]
Output Voltage:V
OUT
[V]
0.4
0.4
10
10
0.3
0.3
0.2
0.2
0.1
0.1
1
-50
0
50
100
1
150
0
0
0.2
0.4
0.6
0.8
1
0
Ambient Temperature:Ta [°
C]
Input Voltage:V
DD
[V]
Ver.2005-04-14
-5-
微控制器 MCU
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