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NJM79xx Dataheets PDF



Part Number NJM79xx
Manufacturers New Japan Radio
Logo New Japan Radio
Description (NJM7900 Series) 3-Terminal Negative Voltage Regulator
Datasheet NJM79xx DatasheetNJM79xx Datasheet (PDF)

NJM7900 3-TERMINAL NEGATIVE VOLTAGE REGULATOR ■ GENERAL DESCRIPTION The NJM7900 series of Monolithic 3-Terminal Negative Voltage Regulators are constructed using the New JRC Planar epitaxial process. These negative regulators are intended as complements to the popular NJM7800 series of positive voltage regulators, and they are available in the same voltage options from –5 to –24V. The NJM7900 series employ internal current limiting, safe area protection, and thermal shutdown, making the virtua.

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NJM7900 3-TERMINAL NEGATIVE VOLTAGE REGULATOR ■ GENERAL DESCRIPTION The NJM7900 series of Monolithic 3-Terminal Negative Voltage Regulators are constructed using the New JRC Planar epitaxial process. These negative regulators are intended as complements to the popular NJM7800 series of positive voltage regulators, and they are available in the same voltage options from –5 to –24V. The NJM7900 series employ internal current limiting, safe area protection, and thermal shutdown, making the virtually indestructible. ■ PACKAGE OUTLINE 1. COMMON 2. IN 3. OUT ■ FEATURES  Internal Short Circuit Current Limit  Internal Thermal Overload Protection  Excellent Ripple Rejection  Guarantee'd 1.5A Output Current  Output Capacitor recommended electrolytic capacitor  Package Outline TO-220F  Bipolar Technology NJM7900FA (note) The radiation fin is connected to Pin 2. ■ EQUIVALENT CIRCUIT Ver.2014-07-31 -1- NJM7900 ■ ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage Power Dissipation Operating Junction Temperature Operating Temperature Range Storage Temperature Range VIN PD Tj Topr Tstg MAXIMUM RATINGS 7905 to7909 7912 to7915 7918 to7924 16(TC≤70ºC) -40 to +150 -40 to +85 -40 to +150 -35 -35 -40 ■ THERMAL CHARACTERISTICS Thermal Resistance Junction-to-Ambient Temperature Junction-to-case θja θjc 60 5 ºC/W (Ta=25ºC) UNIT V W ºC ºC ºC ■ ELECTRICAL CHARACTERISTICS (Tj25 C, CIN2.2μF, CO1.0μF) Measurement is to be conduced in pulse testing PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT NJM7905FA Output Voltage Line Regulation Load Regulation VO ΔVO - VIN ΔVO - IO VIN-10V, IO0.5A VIN-7 to -25V, IO0.5A VIN-10V, IO0.005 to 1.5A -4.8 -5.0 -5.2 V - 5 50 mV - 50 80 mV Quiescent Current Average Temperature Coefficient of Output Voltage IQ ΔVO/ΔT VIN-10V, IO0mA VIN-10V, IO5mA - 2.2 5.0 mA - -0.4 - mV/ºC Ripple Rejection Output Noise Voltage RR VIN-10V, IO0.5A, ein2VP-P, f120Hz VNO VIN-10V, IO0.5A , BW10Hz to 100kHz, 54 60 - dB - 100 - μV NJM7906FA Output Voltage Line Regulation Load Regulation VO ΔVO - VIN ΔVO - IO VIN-11V, IO0.5A VIN-8 to -25V, IO0.5A VIN-11V, IO0.005 to 1.5A -5.75 - -6.0 -6.25 V 5 60 mV 50 90 mV Quiescent Current Average Temperature Coefficient of Output Voltage IQ ΔVO/ΔT VIN-11V, IO0mA VIN-11V, IO5mA - 2.2 5.0 mA - -0.5 - mV/ºC Ripple Rejection Output Noise Voltage RR VIN-11V, IO0.5A, ein2VP-P, f120Hz VNO VIN-11V, IO0.5A , BW10Hz to 100kHz, 54 60 - dB - 110 - μV -2- Ver.2014-07-31 NJM7900 ■ ELECTRICAL CHARACTERISTICS (Tj25 C, CIN2.2μF, CO1.0μF) Measurement is to be conducted in pulse testing. PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT NJM7908FA Output Voltage VO Line Regulation ΔVO - VIN Load Regulation ΔVO - IO Quiescent Current IQ Average Temperature Coefficient of Output Voltage ΔVO/ΔT VIN-14V, IO0.5A VIN-10.5 to -25V, IO1.5A VIN-14V, IO0.005 to 0.5A VIN-14V, IO0mA VIN-14V, IO5mA -7.7 -8.0 -8.3 .


NJM7900 NJM79xx PT74HC138


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