Description: NTE1901 adjustable 3-terminal negative voltage regulator

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Description: NTE1901 adjustable 3-terminal negative voltage regulator

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NTE1901 Integrated Circuit Negative Adjustable Voltage Regulator, -1.2V -37V, 100mA
Description: NTE1901 adjustable 3-terminal negative voltage regulator TO92 type package capable supplying 100mA over -12,V -37V output range. exceptionally easy both line load regulation better than standard fixed regulators. addition higher performance than fixed regulators, NTE1901 offers full overload protection. Included chip current limit, thermal overload protection safe area protection. overload protection circuitry remains fully functional even adjustment terminal disconnected. Normally, capacitors needed unless device situated more than inches from input filter capacitor which case input bypass needed. optional output capacitor added improve transient response. adjustment terminal bypassed achieve very high ripple rejection ratios which difficult achieve with standard 3-terminal regulators. Besides replacing fixed regulators, NTE1901 useful wide variety other applications. Since regulator "floating" sees only input-to-output differential voltage, supplies several hundred volts regulated long maximum input-to-output differential exceeded. Also, makes especially simple adjustable switching regulator, programmable output regulator, connecting fixed resistor between adjustment output, NTE1901 used precision current regulator. Supplies with electronic shutdown achieved clamping adjustment terminal ground which programs output 1.2V where most loads draw little current. Features: Adjustable Output Down 1.2V Guaranteed 100mA Output Current Line Regulation Typically 0.01%/V Load Regulation Typically 0.1% Current Limit Constant with Temperature Eliminates Need Stock Many Voltages Standard 3-Lead Transistor Package 80db Ripple Rejection Output Short Circuit Protected
Absolute Maximum Ratings: +25°C unless otherwise specified) Power Dissipation, Internally Limited Input-Output Voltage Differential, Operating Junction Temperature Range, -40° +125°C Storage Temperature Range, Tstg -55° +150°C Lead Temperature (During Soldering, 10sec), +300°C Electrical Characteristics: (Note unless otherwise specified)
Parameter Line Regulation Symbol RegLine Test Conditions +25°C, (VIN 40V, Note (VIN 40V, Note Load Regulation RegLoad +25°C, 100mA, Note 100mA, Note Thermal Regulation Adjustment Current Adjustment Current Change Reference Voltage Temperature Stability Minimum Load Currnt IAdj IAdj Vref IL(min) Imax 100mA, (VIN 100mA, (VIN 40V, 625mW, Note -25°C +125°C (VIN (VIN MaximumOutput Current Limit (VIN (VIN Output Noise, VOUT Ripple Rejection Ratio +25°C, 10Hz +10kHz VOUT -10V, 120Hz, CADJ CADJ 10µF Long Term Stability +125°C, Hours +25°C, 10ms Pulse 1.20 0.01 0.02 0.04 1.25 0.65 0.003 0.04 0.07 1.30 Unit
Note Unless otherwise noted, these specifications apply: -25° +125°C, VOUT IOUT 40mA, IMAX 100mA. Although power dissipation internally limited, these specifications applicable power dissipations 625mW. Note Regulation measured constant junction temperature, using pulse testing with duty cycle. Changes output voltage heating effects covered under specifications thermal regulation. Note Thermal resistance TO92 package 180°C/W junction ambient with 0.4" leads from board 160°C/W junction ambient with 0.125" lead length board.
.135 (3.45)
.210 (5.33)
Seating Plane
.500 (12.7)
.021 (.445)
Adjust VOUT
.100 (2.54) .050 (1.27)
.105 (2.67) .205 (5.2)
.165 (4.2) .105 (2.67)

Description: NTE1901 adjustable 3-terminal negative voltage regulator

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