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NJU7286 Datasheet(PDF) 1 Page - New Japan Radio |
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NJU7286 Datasheet(HTML) 1 Page - New Japan Radio |
1 / 17 page NJU7286 - 1 - Ver.2012-07-18 Battery Backup Switching IC GENERAL DESCRIPTION PACKAGE OUTLINE 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. FEATURES Low Quiescent Current :12µA max. (VIN =3.6V) / Normal operation :2.1µA max. (VBAT =3.0V) / Backup Low Dropout Voltage :0.06V max. (IRO =3mA) / REG1 :0.3V max. (IOUT =23mA) / REG2 2CH(REG1, REG2) Output Voltage :±2.0% 2CH(CS, RESET ______________ ) Output Voltage : ± 2.0% Exclusive Sequence Small Package SSOP8, MSOP8 (TVSP8)* *MEET JEDEC MO-187-DA / THIN TYPE PIN CONFIGURATION MSOP8 (TVSP-8) SSOP-8 1 2 3 4 5 6 7 8 1.VSS 2.NC 3.VBAT 4.CS 5. RESET ______________ 6.VOUT 7.VIN 8.VRO NJU7286RB1 (MSOP8 (VSP8)) NJU7286V (SSOP8) |
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