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| NTE1909 Integrated Circuit Negative 3 Terminal Voltage Regulator, -24V, 100mA Description: The NTE1909 is a negative 3-terminal voltage regulator in a TO92 type package suitable for numerous applications requiring up to 100mA. This device features thermal shutdown and current limiting making the NTE1909 remarkably rugged. In most applications, no external components are required for operation. The NTE1909 is useful for on-card regulation or any other application where a regulated negative voltage at a modest current level is needed. This device offers a substantial advantage over the common resistor/zener diode approach. Features: D Internal Short-Circuit Current Limiting D Internal Thermal Overload Protection D No External Components Required Absolute Maximum Ratings: Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40V Internal Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited Operating Junction Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Maximum Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Lead Temperature (During Soldering, 10sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300C Note 1. Thermal resistance, junction-to-ambient is 180C/W when mounted with 0.4" leads on a PC board and 160C/W when mounted with .250" leads on a PC board. Electrical Characteristics: (VI = -33V, IO = 40mA, CI = 0.33F, CO = 0.1F, 0 TJ +125C, Note 2 unless otherwise specified) Parameter Output Voltage Symbol VO Regline Test Conditions TJ = +25C -38V VI -27V, 1mA IO 100mA Line Regulation TJ = +25C, -38V VI -27V Min -23.0 -22.8 - Typ -24.0 -24.0 - Max -25.0 -25.2 350 Unit V V mV Electrical Characteristics (Cont'd): (VI = -33V, IO = 40mA, CI = 0.33F, CO = 0.1F, 0 TJ +125C, Note 2 unless otherwise specified) Parameter Load Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Ripple Rejection Dropout Voltage Symbol Regload IB IB Vn RR VDO Test Conditions TJ = +25C, 1mA IO 100mA TJ = +125C With line, -38V VI -28V With load, 1mA IO 40mA TJ = +25C, f = 10Hz to 10kHz -35V VI -29V, f = 120Hz TJ = +25C, IO = 40mA Min - - - - - 31 - Typ - - - - 200 47 1.7 Max 200 6 1.5 0.1 - - - Unit mV mA mA mA V dB V Note 2. To ensure constant junction temperature, low duty cycle pulse testing is used. .135 (3.45) Min .210 (5.33) Max Seating Plane .500 (12.7) Min GND VIN VOUT .021 (.445) Dia Max .100 (2.54) .050 (1.27) .105 (2.67) Max .205 (5.2) Max .165 (4.2) Max .105 (2.67) Max |
Price & Availability of NTE1909
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