NJRC NJU7719 Voltage detector Datasheet

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
PACKAGE OUTLINE
NJU7719U/U1
±1.0%
0.8µA typ.
1.3 ∼ 6.0V(0.1V step)
Nch. Open Drain Type
SOT-89-3
PIN CONFIGURATION
2
1
2
3
PIN FUNCTION
1. VDD
2. VSS
3. VOUT
NJU7719U/U1
EQUIVALENT CIRCUIT
VDD
VOUT
Vref
VSS
DETECTION VOLTAGE RANK LIST
Device Name
VDET
Device Name
NJU7719U/U1-21 2.1V NJU7719U/U1-34
NJU7719U/U1-23 2.3V NJU7719U/U1-39
NJU7719U/U1-27 2.7V NJU7719U/U1-42
NJU7719U/U1-29 2.9V NJU7719U/U1-45
NJU7719U/U1-32 3.2V
Ver.2004-12-22
VDET
3.4V
3.9V
4.2V
4.5V
-1-
NJU7719
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Input Voltage
VDD
Output Voltage
VOUT
Output Current
IOUT
Power Dissipation
PD
Operating Temperature
Topr
Storage Temperature
Tstg
RATINGS
+10
VSS-0.3 ∼ +10
50
350(*1)
−40 ∼ +85
−40 ∼ +125
(Ta=25°C)
UNIT
V
V
mA
mW
°C
°C
(*1): Device itself
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Detection Voltage
VDET
Hysterisis Voltage
VHYS
Quiescent Current
ISS
VDD=VDET+1V
Output Current
IOUT
Nch,VDS=0.5V
Output Leak Current
Detection Voltage
Temperature
Coefficient
Operating Voltage
(*2)
ILEAK
VDD=VOUT=9V
∆VDET/∆Ta Ta=0 ∼ +85°C
VDD
(Ta=25°C)
MIN. TYP. MAX. UNIT
-1.0%
+1.0%
V
−
VDET VDET VDET
V
×0.03 ×0.05 ×0.08
0.5
1.0
VDET=1.3V∼1.7V Version
µA
−
0.8
1.6
VDET=1.8V∼6.0V Version
µA
−
VDD=1.2V
0.75
2.0
mA
−
4.5
7.0
mA
VDD=2.4V (≥2.7V Version)
−
0.1
µA
−
−
TEST CONDITION
RL=100kΩ
−
±100
−
ppm/°C
0.8
−
9
V
(*2): The minimum Operating Voltage(VOPL) indicates the same value of the output voltage(VOUT) on
condition that VOUT becomes 10% or less of the input voltage(VDD).
-2-
Ver.2004-12-22
NJU7719
TEST CIRCUIT
1 COMMON TEST CIRCUIT
RL
ISS
A
V DD
V OUT
NJM7719
V
V DD
V
V DET /
V OPL
V OUT
V SS
2 Output Current/Output Leak Current TEST CIRCUIT
ILEAK /
IOUT
V DD
V OUT
A
NJM7719
V DD
V OUT /
V DS
V SS
TYPICAL APPLICATION
V DD
RL: 100kΩ
V DD
V OUT
NJM7719
Reset Signal
INPUT
Micro-Processor
etc
V SS
V SS
Ver.2004-12-22
-3-
NJU7719
TYPICAL CHARACTERISTICS
NJU7719
Input Voltage vs. Quiescent Current
2.5
2.5
NJU7719
Input Voltage vs.Output Voltage
0.5
VDET=2.1V
VDET=2.9V
VDET=4.5V
2
1
1
0.5
0.5
0
0
0
2
4
6
Input Voltage:V
DD
10
0.3
0.2
0.2
0.1
0.1
0
0
0
0.1
0.2
[V]
0.3
0.4
Input Voltage:V
0.8
0.6
0.4
0.4
0.2
0.5
DD
0.6
0.7
[V]
NJU7719U21
Detection Voltage vs.Ambient Temperature
1
0.6
0.4
0.3
12
VDET=2.1V
VDET=2.9V
VDET=4.5V
0.8
Leak Current: I LEAK [nA]
8
NJU7719
Output Voltage vs.Leak Current
1
2.13
2.13
2.12
2.12
2.11
2.11
2.1
2.1
2.09
2.09
2.08
2.08
0.2
0
0
0
2
4
6
8
Output Voltage: V OUT [V]
-4-
Output Voltage: V OUT [v]
1.5
1.5
VDET=2.1V
VDET=2.9V
VDET=4.5[V
0.4
Detection Voltage:V DET [V]
Quiescent Current: I
SS
[µA]
2
0.5
10
12
2.07
2.07
-50
0
50
100
150
Ambient Temperature:Ta [°C]
Ver.2004-12-22
NJU7719
TYPICAL CHARACTERISTICS
NJU7719
Drain-Source Voltage vs.Output Curent
VDD=1.2V
VDD=2.4V
VDD=4.2V
Output Current: I OUT [mA]
20
25
100
20
15
15
10
10
5
5
0
0
0
0.2
100
VDET=2.1V
VDET=2.9V
VDET=4.5V
Fall Delay Time:t PHL [us]
25
NJU7719
Ambient Temperature vs.Fall Delay Time
0.4
0.6
0.8
10
10
1
1
-50
0
Drain-Source Voltage: VDS [V]
10
0
50
100
Ambient Temperature:Ta [°C]
Ver.2004-12-22
1
150
0.6
Ta=-50[ ‹C]
Ta=25[ ‹C]
Ta=100[ ‹C]
0.5
Output Voltage:V OUT [V]
Rise Delay Time:t PLH [us]
VDET=2.1V
VDET=2.9V
VDET=4.5V
-50
NJU7719
Input Voltage vs.Output Voltage
0.6
100
100
1
1
150
100
Ambient Temperature:Ta [°C]
NJU7719
Ambient Temperature vs.Rise Delay Time
10
50
0.5
0.4
0.4
0.3
0.3
0.2
0.2
0.1
0.1
0
0
0
0.2
0.4
0.6
Input Voltage:V
DD
0.8
1
[V]
-5-
NJU7719
TYPICAL CHARACTERISTICS
NJU7719
Drain-Source Voltage vs.Output Curent
25
VDD=1.2V
VDD=2.4V
VDD=4.2V
20
Output Current: I
OUT
[mA]
20
25
15
15
10
10
5
5
0
0
0
0.2
0.4
0.6
Drain-Source Voltage: V
-6-
0.8
DS
1
[V]
Ver.2004-12-22
NJU7719
TYPICAL CHARACTERISTICS
Transient Response
Transient Response
NJU7719U29 VDD=10→1V,Tf=50ns,RL=100kΩ
NJU7719U29 VDD=1→10V,Tr=50ns,RL=100kΩ
VDD 0V→
VOUT 0V→
Time 5μs/Div.
Div.
Ver.2004-12-22
VDD 0V→
VOUT
Div.
VOUT 5
5V
V/Div.
Div.
VOUT 5
5V
V/Div.
VOUT
VDD
Div.
VDD 5
5V
V/Div.
Div.
VDD 5
5V
V/Div.
VDD
VOUT 0V→
Time 5μs/Div.
Div.
-7-
NJU7719
[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.
-8-
Ver.2004-12-22
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