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| NJU7211 Series www..com C-MOS 3-TERMINAL NEGATIVE VOLTAGE REGULATOR GENERAL DESCRIPTION The NJU7211 series is a C-MOS 3-terminal negative voltage regulator which contains internal precision voltage reference, error amplifier, control transistor and output voltage setting resistor. The regulation voltage is fixed by internal circuits and the following line-up of different output voltage versions are available. The NJU7211 series is suitable for battery operated items and battery back-up systems because of low operating current and low dropout voltage. FEATURES * Low Operating Current (19A typ.) * Wide Operating Voltage Range * Low Dropout Voltage (VIO < 0.6V -3.0V output, IOUT = 20mA) (VIO < 0.6V -5.0V output, IOUT = 40mA) * Small Temperature Coefficient of Output Voltage * Package Outline ( SOT-89) * C-MOS Technology OUTPUT VOLTAGE LINE-UP Output Voltage SOT-89 Type -2.0V NJU7211U20 -3.0V NJU7211U30 -4.0V NJU7211U40 -5.0V NJU7211U50 PACKAGE OUTLINE 3 12 NJU7221U (SOT-89) TERMINAL DESCRIPTION No. Description 1 Output 2 GND 3 Input EQUIVALENT CIRCUIT GND 2 VREF + VIN 3 1 VOUT Ver.2007-02-14 -1- NJU7211 Series www..com ABSOLUTE MAXIMUM RATINGS PARAMETER Input Voltage Output Voltage Output Current Power Dissipation Operating Temperature Storage Temperature Soldering Temperature / Time SYMBOL VIN VOUT IOUT PD Topr Tstg Tsold RATINGS -14 GND+0.3 to VIN-0.3 100 300 (SOT-89) -25 to + 75 -40 to +125 260C/10 sec (Ta = 25C) UNIT V V mA mW C C - ELECTRICAL CHARACTERISTICS -2.0V Version PARAMETER Output Voltage Dropout Voltage Input Voltage Operating Current Load Regulation Line Regulation SYMBOL VOUT VIO VIN IQ VOUT / IOUT VOUT / (VINVOUT) CONDITION VIN = - 4.0V, IOUT = 10mA IOUT = 20mA VIN = - 4.0V VIN = - 4.0V, IOUT = 120mA VIN = - 3.0 - 12V CIN = Co = 0.1F, Ta = 25C) MIN. - 2.10 - 12 TYP. - 2.00 0.2 19 0.1 MAX. - 1.90 0.6 30 120 UNIT V V V A mV %/V -3.0V Version PARAMETER Output Voltage Dropout Voltage Input Voltage Operating Current Load Regulation Line Regulation SYMBOL VOUT VIO VIN IQ VOUT / IOUT VOUT / (VINVOUT) CONDITION VIN = - 5.0V, IOUT = 10mA IOUT = 20mA VIN = - 5.0V VIN = - 5.0V, IOUT = 120mA VIN = - 4.0 - 12V CIN = Co = 0.1F, Ta = 25C) MIN. - 3.15 - 12 TYP. - 3.00 0.2 19 80 0.1 MAX. - 2.85 0.6 30 120 UNIT V V V A mV %/V -4.0V Version PARAMETER Output Voltage Dropout Voltage Input Voltage Operating Current Load Regulation Line Regulation SYMBOL VOUT VIO VIN IQ VOUT / IOUT VOUT / (VINVOUT) CONDITION VIN = - 6.0V, IOUT = 30mA IOUT = 40mA VIN = - 6.0V VIN = - 6.0V, IOUT = 140mA VIN = - 5.0 - 12V CIN = Co = 0.1F, Ta = 25C) MIN. - 5.25 - 12 TYP. - 5.00 0.3 19 0.1 MAX. - 4.75 0.6 30 120 UNIT V V V A mV %/V -5.0V Version PARAMETER Output Voltage Dropout Voltage Input Voltage Operating Current Load Regulation Line Regulation SYMBOL VOUT VIO VIN IQ VOUT / IOUT VOUT / (VINVOUT) CONDITION VIN = - 7.0V, IOUT = 30mA IOUT = 40mA VIN = - 7.0V VIN = - 7.0V, IOUT = 140mA VIN = - 6.0 - 12V CIN = Co = 0.1F, Ta = 25C) MIN. - 5.25 - 12 TYP. - 5.00 0.3 19 80 0.1 MAX. - 4.75 0.6 30 120 UNIT V V V A mV %/V -2- Ver.2007-02-14 NJU7211 Series www..com MEASUREMENT CIRCUIT VIN NJU7211 DC CIN GND VOUT V CO IOUT [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. Ver.2007-02-14 -3- |
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