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NJU7286 の電気的特性と機能

NJU7286のメーカーはNew Japan Radioです、この部品の機能は「Battery Backup Switching IC」です。


製品の詳細 ( Datasheet PDF )

部品番号 NJU7286
部品説明 Battery Backup Switching IC
メーカ New Japan Radio
ロゴ New Japan Radio ロゴ 




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NJU7286 Datasheet, NJU7286 PDF,ピン配置, 機能
Battery Backup Switching IC
NJU7286
„ GENERAL DESCRIPTION
The NJU7286 is a battery backup system IC with two regulators,
two voltage detectors, a battery switching system and their
control circuit. It switches the regulator output from main power
supply source to the backup battery when it detects main power
supply drop and also has two voltage detection outputs.
The NJU7286 employs an exclusive sequence on the battery
switching system which reduces the battery operation. Combining
the special sequence and its low operating current, it is well-suited
for battery backup systems of DSC, DVC and other portable
devices. The NJU7286 is available in small and thin packages of
8-lead MSOP (TVSP) and SSOP. And there are four voltage
options available, as follow table.
„ PACKAGE OUTLINE
NJU7286RB1
(MSOP8 (VSP8))
NJU7286V
(SSOP8)
„ FEATURES
z Low Quiescent Current
z Low Dropout Voltage
z 2CH(REG1, REG2) Output Voltage
:12µA max. (VIN =3.6V) / Normal operation
:2.1µA max. (VBAT =3.0V) / Backup
:0.06V max. (IRO =3mA) / REG1
:0.3V max. (IOUT =23mA) / REG2
:±2.0%
z 2CH(CS, RESET)______________ Output Voltage
: ± 2.0%
z Exclusive Sequence
z Small Package SSOP8, MSOP8 (TVSP8)*
*MEET JEDEC MO-187-DA / THIN TYPE
„ PIN CONFIGURATION
18
27
36
45
MSOP8 (TVSP-8)
SSOP-8
1.VSS
2.NC
3.VBAT
4.CS
5. RESET______________
6.VOUT
7.VIN
8.VRO
Ver.2012-07-18
-1-

1 Page





NJU7286 pdf, ピン配列
„ ELECTRICAL CHARACTERISTICS
NJU7286A
(CIN=0.1µF, CO(VOUT)=10µF, CO(VRO)=10µF, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
Total
Quiescent Current
ISS1 VIN =3.6V, No-Load
IBAT1 VIN =3.6V, VBAT=3.0V, No-Load
IBAT2 VIN=OPEN,VBAT=3.0V, No-Load
Backup Power Supply
Input Voltage
VBAT
Voltage Regulator 1
Output Voltage 1
Dropout Voltage 1
Load Regulation 1A
Load Regulation 1B
Line Regulation 1
Average Temperature
Coefficient of Output
Voltage 1
VRO
VI-O1
VROA/IRO
VROB/IRO
VRO/VIN
VRO/T
VIN=7.2V, IRO=3mA
IRO=3mA
VIN=7.2V, IRO=0.1 to 30mA
VIN=3.6V, IRO=0.1 to 30mA
VIN=4 to 9V, IRO=3mA
Ta=0°C to +85°C
Voltage Regulator 2
Output Voltage 2
Dropout Voltage 2
Load Regulation 2A
Load Regulation 2B
Line Regulation 2
Average Temperature
Coefficient of Output
Voltage 2
VOUT
VI-O2
VOUTA/IOUT
VOUTB/OUT
VOUT/VIN
VOUT/T
VIN=7.2V, IOUT=23mA
IOUT=23mA
VIN=7.2V, IOUT=0.1 to 60mA
VIN=3.6V, IOUT=0.1 to 60mA
VIN=4 to 9V, IOUT=23mA
Ta=0°C to +85°C
CS Voltage Detection
Detection Voltage 1
Release Voltage 1
Average Temperature
Coefficient of Detection
Voltage 1
Output Current 1
Leak Current 1
Operation Voltage 1
RESET______________
Voltage
Detection
Detection Voltage 2
Release Voltage 2
Release Delay Time
Average Temperature
Coefficient of Detection
Voltage 2
-VDET1
+VDET1
VDET1/T
ISINK1
ILEAK1
VOPR1
-VDET2
+VDET2
TDELAY
VDET2/T
Detection Voltage VIN
Ta=0°C to +85°C
VDS=0.5V, VIN=VBAT=2.0V
VDS=9V, VIN=9V
VIN or VBAT
Detection Voltage VOUT
Ta=0°C to +85°C
Output Current 2
Leak Current 2
Operation Voltage 2
ISINK2
ILEAK2
VOPR2
VDS=0.5V, VIN=VBAT=2.0V
VDS=9V, VIN=9V
VIN or VBAT
NJU7286
MIN. TYP. MAX. UNIT
- 4 12 µA
- - 0.1 µA
-
1.0 2.1
µA
2.0 - 4.0 V
3.136
-
-
-
-
3.200
30
0.06
0.06
-
3.264
60
0.15
0.15
0.2
V
mV
%/mA
%/mA
%/V
- ±100 - ppm/°C
3.136
-
-
-
-
3.200
150
0.04
0.04
-
3.264
300
0.1
0.1
0.2
V
mV
%/mA
%/mA
%/V
- ±100 - ppm/°C
3.234
3.319
3.300
3.401
3.366
3.482
V
V
- ±100 - ppm/°C
1.50 2.30
-
- - 0.1
1.7 -
9.0
mA
µA
V
2.351
2.457
200
2.400
2.528
500
2.449
2.599
-
V
V
µS
- ±100 - ppm/°C
1.50 2.30
-
- - 0.1
1.7 -
9.0
mA
µA
V
Ver.2012-07-18
-3-


3Pages


NJU7286 電子部品, 半導体
NJU7286
Switch Control
Switch Voltage
CS Output Inhibit Voltage
VBAT Switch Leak Current
VBAT Switch Resistance
Average Temperature
Coefficient of Switch
Voltage
Average Temperature
Coefficient of CS Output
Inhibit Voltage
VSW1
VSW2
ILEAK
RSW
VSW1/T
VBAT=2.8V,
Detection Voltage VIN
VBAT=3.0V,
Detection Voltage VOUT
VIN=6.0V,
VBAT=0V
VIN=OPEN,
VBAT=3.0V, IOUT=10 to 500µA
Ta=0°C to +85°C
VSW2/T
Ta=0°C to +85°C
+VDET1
X0.83
VOUT
X0.93
-
+VDET1
X0.85
VOUT
X0.95
-
+VDET1
X0.87
VOUT
X0.97
0.1
- 30 60
V
V
µA
- ±100 - ppm/°C
- ±100 - ppm/°C
-6-
Ver.2012-07-18

6 Page



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部品番号部品説明メーカ
NJU7286

Battery Backup Switching IC

New Japan Radio
New Japan Radio
NJU7287

Battery Backup Switching IC

New Japan Radio
New Japan Radio


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