ET-79xx 1.5 A Negative Voltage Regulator Description This series of fixed-negative-voltage monolithic integrated-circuit voltage regulators is designed to complement Series MIK7800 in a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single point regulation. Each of these regulators can deliver up to 1.5 amperes of output current. The internal current limiting and thermal shutdown features of these regulators make them essentially immune to overload. In addition to use as fixed-voltage regulators, these devices can be used with external components to obtain adjustable output voltages and current and also as the power pass element in precision regulators. Package information Features • • • • • • • 3-Terminal Regulators Output Current Up to 1.5 A No External Components Internal Thermal Overload Protection High Power Dissipation Capability Internal Short-Circuit Current Limiting Output Transistor Safe Area Compensation Package TO-220 (top view) Typical application data 1.5 A regulator $VIN When using a negative regulator, bypass capacitors are a must on both the input and output. Recommended values are 2 µF on the input and 1 µF on the output. It is considered good practice to include a 0.1 µF capacitor on the output to improve the transient response (Fig. 1). These capacitors may mylar, ceramic, or tantalum, provided that they have good high frequency characteristics. 3 MIK7900 2 1µF 2µF $Vout 0.1µF 1 Figure 1. Negative Regulator Absolute maximum ratings over operating temperature range (unless otherwise noted) Parameter Input voltage MIK7924 All others Continuous total dissipation at 25 °C free-air temperature Continuous total dissipation at (or bellow) 25 °C case temperature Operating free-air, case, or virtual junctions temperature range Storage temperature range Lead temperature 3.2 mm (1/8 inch) from case for 10 seconds Maximum Units -40 -35 2 15 0 to 150 -65 to 150 260 V W °C Recommended operating conditions Parameter Input voltage VI Output current, IO Operating virtual junction temperature, TJ MIK7905 MIK7906 MIK7908 MIK7912 MIK7915 MIK7918 MIK7924 Min -7 -8 -10.5 -14.5 -17.5 -21 -27 0 Max -25 -25 -25 -30 -30 -33 -38 1.5 125 Units V A °C Page 1 of 5 ET-79xx 1.5 A Negative Voltage Regulator Device Selection Guide Device MIK7905 MIK7906 MIK7908 MIK7912 MIK7915 MIK7918 MIK7924 Output Voltage -5V -6V -8V -12V -15V -18V -24V Electrical characteristics MIK7905 Electrical characteristics at specified virtual junction temperature, VI= -10V, IO = 500mA (unless otherwise noted) Parameter Test Conditions* Input regulation Ripple rejection Output regulation 25°C -4.75 -5 -5.25 V 50 15 mV 54 12.5 4 60 100 50 25°C 0°C to 125°C dB Temperature coefficient of output voltage IO= 5mA to 1.5A IO= 250mA to 750mA IO= 5mA 0°C to 125°C 15 5 -0.4 Output noise voltage f= 10 Hz to 100 KHz 25°C 125 Dropout voltage IO= 1A 25°C 1.1 25°C 1.5 2 0°C to 125°C 0.15 0.08 2.1 0.5 0.5 25°C Bias current Bias current change VI= -7V to -25V IO= 5mA to 1A Units 0°C to 125°C Output voltage** IO= 5mA to 1A, VI= -7V to -20V, P≤15W VI= -7V to -25V VI= -8V to -12V VI= -8V to -18V, f= 120Hz MIK7905 Typ Max -5 -5.2 Min -4.8 Peak output current 25°C mV mV/°C µV V mA A Electrical characteristics MIK7906 Electrical characteristics at specified virtual junction temperature, VI= -11V, IO = 500mA (unless otherwise noted) Parameter Test Conditions* Output voltage** IO= 5mA to 1A, VI= -8V to -21V, P≤15W Input regulation VI= -8V to -25V 25°C Min -5.75 0°C to 125°C -5.7 25°C VI= -9V to -13V Ripple rejection Output regulation VI= -9V to -19V, f= 120Hz 0°C to 125°C IO= 5mA to 1.5A 25°C IO= 250mA to 750mA Temperature coefficient of output voltage IO= 5mA Output noise voltage Dropout voltage * ** -6 -6.3 V 12.5 120 mV 4 60 60 dB 15 120 5 60 mV -0.4 mV/°C f= 10 Hz to 100 KHz 25°C 150 µV IO= 1A 25°C 1.1 25°C 1.5 VI= -8V to -25V 0°C to 125°C IO= 5mA to 1A Peak output current Units 0°C to 125°C Bias current Bias current change 54 MIK7906 Typ Max -6 -6.25 25°C V 2 0.15 1.3 0.08 0.5 2.1 mA A Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. This specification applies only for dc power dissipation permitted by absolute maximum ratings. Page 2 of 5 ET-79xx 1.5 A Negative Voltage Regulator Electrical characteristics MIK7908 Electrical characteristics at specified virtual junction temperature, VI= -14V, IO = 500mA (unless otherwise noted) Parameter Test Conditions* 25°C Min -7.7 IO= 5mA to 1A, VI= -10.5V to -23V, P≤15W 0°C to 125°C -7.6 VI= -10.5V to -25V 25°C Output voltage** Input regulation MIK7908 Typ Max -8 -8.3 -8 -8.4 V 12.5 160 mV 4 80 VI= -11V to -17V Ripple rejection VI= -11.5V to -21.5V, f= 120Hz Output regulation 0°C to 125°C IO= 5mA to 1.5A 54 25°C 60 IO= 5mA Output noise voltage f= 10Hz to 100 KHz Dropout voltage IO= 1A 160 5 80 VI= -10.5V to -25V mV 0°C to 125°C -0.6 mV/°C 25°C 200 µV 25°C 1.1 V Bias current Bias current change dB 15 IO= 250mA to 750mA Temperature coefficient of output voltage Units 25°C 1.5 2 0°C to 125°C 0.15 1 0.08 0.5 IO= 5mA to 1A Peak output current 2.1 25°C mA A Electrical characteristics MIK7912 Electrical characteristics at specified virtual junction temperature, VI= -19V, IO = 500mA (unless otherwise noted) Parameter Test Conditions* MIK7912 Typ Max -12 -12.5 25°C Min -11.5 IO= 5mA to 1A, VI= -14.5V to -27V, P≤15W 0°C to 125°C -11.4 -12 Input regulation VI= -14.5V to -30V 25°C Ripple rejection VI= -16V to -22V VI= -15V to -25V, f= 120Hz 0°C to 125°C 54 IO= 5mA to 1.5A 25°C 15 200 5 75 Output voltage** Output regulation IO= 250mA to 750mA Units -12.6 V 5 80 mV 3 60 30 dB mV Temperature coefficient of output voltage IO= 5mA 0°C to 125°C -0.8 mV/°C Output noise voltage f= 10 Hz to 100 KHz 25°C 300 µV Dropout voltage IO= 1A 25°C 1.1 25°C 2 Bias current Bias current change VI= -14.5V to -30V 0°C to 125°C IO= 5mA to 1A Peak output current * ** 25°C V 3 0.04 0.5 0.06 0.5 2.1 mA A Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. This specification applies only for dc power dissipation permitted by absolute maximum ratings. Page 3 of 5 ET-79xx 1.5 A Negative Voltage Regulator 1.5 A Negative Voltage Regulator Electrical characteristics MIK7915 Electrical characteristics at specified virtual junction temperature, VI= -23V, IO = 500mA (unless otherwise noted) Parameter Test Conditions* Output voltage** 25°C V 5 3 60 100 50 mV 200 75 0°C to 125°C 15 5 -1 25°C 375 25°C 1.1 25°C 2 3 0°C to 125°C 0.04 0.06 2.1 0.5 0.5 25°C Temperature coefficient of output voltage IO= 5mA to 1.5A IO= 250mA to 750mA IO= 5mA Output noise voltage f= 10 Hz to 100 KHz Dropout voltage IO= 1A Output regulation VI= -17.5V to -30V IO= 5mA to 1A 14.25 25°C 0°C to 125°C Bias current Bias current change Units 15.75 0°C to 125°C Ripple rejection MIK7915 Typ Max -15 -15.6 -15 IO= 5mA to 1A, VI= -17.5V to -30V, P≤15W VI= -17.5V to -30V VI= -20V to -26V VI= -18.5V to -28.5V, f= 120Hz Input regulation Min -14.4 Peak output current 54 25°C dB mV mV/°C µV V mA A Electrical characteristics MIK7918 Electrical characteristics at specified virtual junction temperature, VI= -27V, IO = 500mA (unless otherwise noted) Parameter Test Conditions* Output voltage** IO= 5mA to 1A, VI= -21V to -33V, P≤15W Input regulation VI= -21V to -33V 25°C Min -17.3 0°C to 125°C -17.1 25°C VI= -24V to -30V Ripple rejection Output regulation VI= -22V to -32V, f= 120Hz 0°C to 125°C IO= 5mA to 1.5A 25°C IO= 250mA to 750mA Temperature coefficient of output voltage IO= 5mA Output noise voltage f= 10Hz to 100 KHz Dropout voltage IO= 1A Bias current Bias current change VI= -21V to -33V * ** Units -18.9 V 5 360 mV 3 180 -18 60 dB 30 360 10 180 mV 0°C to 125°C -1.0 mV/°C 25°C 450 µV 25°C 1.1 V 25°C 2 3 0°C to 125°C 0.04 1 0.06 0.5 IO= 5mA to 1A Peak output current 54 MIK7918 Typ Max -18 -18.7 25°C 2.1 mA A Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. This specification applies only for dc power dissipation permitted by absolute maximum ratings. Page 4 of 5 ET-79xx 1.5 A Negative Voltage Regulator Electrical characteristics MIK7924 Electrical characteristics at specified virtual junction temperature, VI= -33V, IO = 500mA (unless otherwise noted) Parameter Test Conditions* Output voltage** Units 25°C Min -23 MIK7924 Typ -24 Max -25 0°C to 125°C -22.8 -24 -25.2 V 480 240 mV 54 5 3 60 480 240 Temperature coefficient of output voltage IO= 5mA to 1A, VI= -27V to -38V, P≤15W VI= -27V to -38V VI= -30V to -36V VI= -28V to -38V, f= 120Hz IO= 5mA to 1.5A IO= 250mA to 750mA IO= 5mA 0°C to 125°C 85 25 -1 Output noise voltage f= 10Hz to 100 KHz 25°C 600 mV/°C µV Dropout voltage IO= 1A 25°C 1.1 V Input regulation Ripple rejection Output regulation Bias current Bias current change Peak output current * ** VI= -27V to -38V IO= 5mA to 1A 25°C 0°C to 125°C 25°C dB 25°C 2 3 0°C to 125°C 0.04 0.06 2.1 1 0.5 25°C mV mA A Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. This specification applies only for dc power dissipation permitted by absolute maximum ratings. Page 5 of 5