NTE1531

NTE1531 Integrated Circuit Voltage Regulator for Electronic Tuning System Description: The NTE1531 is a voltage regulator for use with a varactor tuner or electronic tuning control. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Maximum Input Voltage (+B1, +B2, CLK), VB1, VB2, VCLKmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21V Allowable Power Dissipation, PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C Recommended Operation Conditions: (TA = +25°C unless otherwise specified) Parameter Vref Output Current VDD Output Current INHI Output Current BUC Output Current +B1, +B2 Input Voltage Symbol Iref IDD IINHI IBUC VB1, VB2 Min –10 –30 –0.5 –0.8 9 Typ – – – – – Max 0 0 0 0 16 Unit mA mA mA mA V Operational Characteristics: (TA = +25°C, unless otherwise specified) Parameter VDD Voltage Symbol VDD(1) Conditions +B1 = +B2 = 9V, IDD = 30mA, Iref = 10mA, Vref = 8V, TA = –20° to +70°C +B1 = +B2 = 16V, IDD = 30mA, Iref = 10mA, Vref = 8V, TA = –20° to +70°C +B2 = 9 to 16V, IDD = 4mA, +B1 opened. VCLK = +B2 = 9V, IDD = 18mA, Iref = 10mA, Vref = 8V, TA = –20° to +70°C, +B1 opened. Min Vref–0.3 Typ – Max 8.5 Unit V VDD(2) Vref–0.3 – 10 ...