ST1843 controller equivalent, (st1843 / st1845) rad-tolerant current mode pwm controller.
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Oscillator frequency guaranteed at 250 kHz Trimmed oscillator for precise frequency control Current mod.
The ST1843HR and ST1845HR ICs are radtolerant current mode PWM controllers providing an industry standard solution for the implementation of provides the off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts .
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