NJM3524

The NJM3524 of regulating pulse width modulators contains all of the control circuitry necessary to implement switching regulators of either polarity, transformer coupled DC to DC converters, transformerless polarity converters and voltage doublers, as well as other power control applications.NJM3524 includes a SV voltage regulator capable of supplying up to SOmA to external circuitry  a control amplifier NJM3524,an oscillator, a pulse width modulator, a phase splitting flip-flop, dual alternating output switch transistors, and current limiting and shut-down circuitry. Both the regulator output transistor and each output switch are internally current limited and, to limit junction temperature, an internal thermal shut-down circuit is employed.

Features of the NJM3524 are:(1)operating voltage(8V-40V); (2)complete pwm power control circuitry; (3)uncommitted outputs for single-ended or pash-pull appli cutions; (4)low standby current; (5)package outline; (6)bipolar technology.

The absolute maximum ratings of the NJM3524 can be summarized as:(1)supply voltage:40V;(2)storage temperature range:-40 to +125;(3)operating temperature range:-20 to 75 ;(4)power dissipation:700mW;(5)output current:100mA;(6)output reference current:50mA.The products described in this document are designed, developed and manufactured as contemplated for general use, including without limitation, ordinary industrial use, general office use, personal use, and household use, but are not designed, developed and manufactured as contemplated (1) for any use that includes fatal risks or dangers that, unless extremely high safety is secured, could have a serious effect to the public, and could lead directly to death, personal injury, severe physical damage or other loss (i.e., nuclear reaction control in nuclear facility, aircraft flight control, air traffic control, mass transport control, medical life support system, missile launch control in weapon system), or (2) for any use where chance of failure is intolerable (i.e., submersible repeater and artificial satellite).

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