NJU7286 반도체 회로 부품 판매점
Battery Backup Switching IC
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 New Japan Radio |
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-
NJU7286
SELECTION GUIDE
Device Name
NJU7286A
Output Voltage (V)
VRO
VOUT
3.200
3.200
CS Voltage (V)
-VDET1
+VDET1
3.300
3.401
NJU7286B
3.150
3.150
4.200
4.305
NJU7286C
3.300
3.300
3.800
3.903
NJU7286D
3.200
3.200
3.300
3.401
Caution: The NJU7286D is avalable in only MSOP8 (TVSP8).
RESET______________ Voltage (V)
-VDET2
+VDET2
2.400
2.528
2.300
2.420
2.100
2.230
2.250
2.362
Switch Voltage (V)
VSW1
+VDET1X0.85
+VDET1X0.85
+VDET1X0.85
+VDET1X0.85
CS voltage should be set up so that switch voltage (VSW1) may become more than RESET______________ voltage (-VDET2).
Note: The selection range is as follows.
VRO, VOUT : 2.3 to 5.4V (0.1V Step)
-VDET1 :2.4 to 5.4V (0.1V Step)
-VDET2 :1.7 to 3.4V (0.1V Step)
VSW1 :+VDET1X0.85
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Main Power Supply Input Voltage
Backup Power Supply Input Voltage
Output Voltage of Voltage Regulator
Output Voltage
Power Dissipation
CS Output Voltage
RESETOutput______________ Voltage
SSOP-8
MSOP8 (TVSP8)
Operating Temperature
Storage Temperature
SYMBOL
VIN
VBAT
VRO, VOUT
VCS
VRESET
PD
Topr
Tstg
RATINGS
+10
+10
VSS-0.3 to VIN+0.3
VSS-0.3 to +10
250
320
-40 to +85
-40 to +125
(Ta=25°C)
UNIT
V
V
V
V
V
mW
°C
°C
-2-
Ver.2012-07-18
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제조업체: New Japan Radio
( njrc )
NJU7286 battery
데이터시트 다운로드 :
[ NJU7286.PDF ]
[ NJU7286 다른 제조사 검색 ]
국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
[ 홈페이지 ]
IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈
( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )
전력반도체 문의 : 010-3582-2743
관련 데이터시트
NJU7286
Battery Backup Switching IC - New Japan Radio
NJU7287
Battery Backup Switching IC - New Japan Radio