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. 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 PACKAGE OUTLINE 1. COMMON 2. IN 3. OUT NJM7900FA (note) The radiation fin is connected to Pin 2. EQUIVALENT CIRCUIT Ver.2012-05-30 -1- NJM7900 (Ta=25C) ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL MAXIMUM RATINGS 7905 to 7909 7912 to 7915 7918 to 7924 UNIT -35 -35 -40 Input Voltage VIN V Power Dissipation PD Operating Junction Temperature Tj -40 to +150 C Operating Temperature Range Topr -40 to +85 C Storage Temperature Range Tstg -40 to +150 C 16(TC70C) W THERMAL CHARACTERISTICS Junction-to-Ambient Temperature ja 60 Junction-to-case jc 5 Thermal Resistance C/W ELECTRICAL CHARACTERISTICS (Tj=25C, CIN=2.2F, CO=1.0F) Measurement is to be conduced in pulse testing PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT -4.8 -5.0 -5.2 V NJM7905FA Output Voltage VO VIN=-10V, IO=0.5A Line Regulation VO - VIN VIN=-7 to -25V, IO=0.5A - 5 50 mV Load Regulation VO - IO VIN=-10V, IO=0.005 to 1.5A - 50 80 mV Quiescent Current IQ VIN=-10V, IO=0mA - 2.2 5.0 mA Average Temperature Coefficient of Output Voltage VO/T VIN=-10V, IO=5mA - -0.4 - mV/C Ripple Rejection RR VIN=-10V, IO=0.5A, ein=2VP-P, f=120Hz 54 60 - dB Output Noise Voltage VNO VIN=-10V, IO=0.5A , BW=10Hz to 100kHz, - 100 - V Output Voltage VO VIN=-11V, IO=0.5A -5.75 -6.0 -6.25 V Line Regulation VO - VIN VIN=-8 to -25V, IO=0.5A - 5 60 mV Load Regulation VO - IO VIN=-11V, IO=0.005 to 1.5A - 50 90 mV Quiescent Current IQ VIN=-11V, IO=0mA - 2.2 5.0 mA Average Temperature Coefficient of Output Voltage VO/T VIN=-11V, IO=5mA - -0.5 - mV/C Ripple Rejection RR VIN=-11V, IO=0.5A, ein=2VP-P, f=120Hz 54 60 - dB Output Noise Voltage VNO VIN=-11V, IO=0.5A , BW=10Hz to 100kHz, - 110 - V NJM7906FA -2- Ver.2012-05-30 NJM7900 ELECTRICAL CHARACTERISTICS (Tj=25C, CIN=2.2F, CO=1.0F) Measurement is to be conducted in pulse testing. PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT -7.7 -8.0 -8.3 V NJM7908FA Output Voltage VO VIN=-14V, IO=0.5A Line Regulation VO - VIN VIN=-10.5 to -25V, IO=1.5A - 8 80 mV Load Regulation VO - IO VIN=-14V, IO=0.005 to 0.5A - 60 110 mV Quiescent Current IQ VIN=-14V, IO=0mA - 2.2 5.0 mA Average Temperature Coefficient of Output Voltage VO/T VIN=-14V, IO=5mA - -0.7 - mV/C Ripple Rejection RR VIN=-14V, IO=0.5A, ein=2VP-P, f=120Hz 54 60 - dB Output Noise Voltage VNO VIN=-14V, IO=0.5A , BW=10Hz to 100kHz, - 130 - V Output Voltage VO VIN=-15V, IO=0.5A -8.65 -9.0 -9.35 V Line Regulation VO - VIN VIN=-11.5 to -25V, IO=0.5A - 8 90 mV Load Regulation VO - IO VIN=-15V, IO=0.005 to 1.5A - 60 120 mV Quiescent Current IQ VIN=-15V, IO=0mA - 2.2 5.0 mA Average Temperature Coefficient of Output Voltage VO/T VIN=-15V, IO=5mA - -0.8 - mV/C Ripple Rejection RR VIN=-15V, IO=0.5A, ein=2VP-P, f=120Hz 54 59 - dB Output Noise Voltage VNO VIN=-15V, IO=0.5A , BW=10Hz to 100kHz, - 150 - V Output Voltage VO VIN=-19V, IO=0.5A -11.5 -12.0 -12.5 V Line Regulation VO - VIN VIN=-14.5 to -30V, IO=0.5A - 3 120 mV Load Regulation VO - IO VIN=-19V, IO=0.005 to 1.5A - 60 150 mV Quiescent Current IQ VIN=-19V, IO=0mA - 2.7 6.0 mA Average Temperature Coefficient of Output Voltage VO/T VIN=-19V, IO=5mA - -0.4 - mV/C Ripple Rejection RR VIN=-19V, IO=0.5A, ein=2VP-P, f=120Hz 54 68 - dB Output Noise Voltage VNO VIN=-19V, IO=0.5A , BW=10Hz to 100kHz, - 150 - V Output Voltage VO VIN=-23V, IO=0.5A -14.4 -15.0 -15.6 V Line Regulation VO - VIN VIN=-17.5 to -30V, IO=0.5A - 3 150 mV Load Regulation VO - IO VIN=-23V, IO=0.005 to 1.5A - 60 180 mV Quiescent Current IQ VIN=-23V, IO=0mA - 2.7 6.0 mA Average Temperature Coefficient of Output Voltage VO/T VIN=-23V, IO=5mA - -0.5 - mV/C Ripple Rejection RR VIN=-23V, IO=0.5A, ein=2VP-P, f=120Hz 54 67 - dB Output Noise Voltage VNO VIN=-23V, IO=0.5A , BW=10Hz to 100kHz, - 170 - V NJM7909FA NJM7912FA NJM7915FA Ver.2012-05-30 -3- NJM7900 ELECTRICAL CHARACTERISTICS (Tj=25C, CIN=2.2F, CO=1.0F) Measurement is to be conducted in pulse testing. PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT -17.3 -18.0 -18.7 V NJM7918FA Output Voltage VO VIN=-27V, IO=0.5A Line Regulation VO - VIN VIN=-21 to -33V, IO=0.5A - 4 180 mV Load Regulation VO - IO VIN=-27V, IO=0.005 to 1.5A - 60 210 mV Quiescent Current IQ VIN=-27V, IO=0mA - 2.7 6.0 mA Average Temperature Coefficient of Output Voltage VO/T VIN=-27V, IO=5mA - -0.6 - mV/C Ripple Rejection RR VIN=-27V, IO=0.5A, ein=2VP-P, f=120Hz 54 66 - dB Output Noise Voltage VNO VIN=-27V, IO=0.5A , BW=10Hz to 100kHz, - 200 - V Output Voltage VO VIN=-33V, IO=0.5A -23.0 -24.0 -25.0 V Line Regulation VO - VIN VIN=-27 to -38V, IO=0.5A - 5 240 mV Load Regulation VO - IO VIN=-33V, IO=0.005 to 1.5A - 60 270 mV Quiescent Current IQ VIN=-33V, IO=0mA - 2.7 6.0 mA Average Temperature Coefficient of Output Voltage VO/T VIN=-33V, IO=5mA - -0.8 - mV/C Ripple Rejection RR VIN=-33V, IO=0.5A, ein=2VP-P, f=120Hz 54 64 - dB Output Noise Voltage VNO VIN=-33V, IO=0.5A , BW=10Hz to 100kHz, - 300 - V NJM7924FA -4- Ver.2012-05-30 NJM7900 TEST CIRCUIT 1. Output Voltage, Line Regulation, Load Regulation, Quiescent Current, Average Temperature Coefficient of Output Voltage, Output Noise Voltage IQ = IIN - IO 2. Ripple Rejection RR=20log10 ein [dB] eo POWER DISSIPATION VS. AMBIENT TEMPERATURE Ver.2012-05-30 -5- NJM7900 TYPICAL CHARACTERISTICS -6- Ver.2012-05-30 NJM7900 TYPICAL CHARACTERISTICS [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.2012-05-30 -7-