Texas Instruments Current Mode PWM Controller 12V-25V 500kHz DIP-8
Texas Instruments Current Mode PWM Controller, DIP-8 package. Ideal for off-line and DC to DC converters, 12V-25V supply, 500kHz frequency.
The Texas Instruments Current Mode PWM Controller is optimised for off-line and DC to DC converters. Providing the necessary features to control current mode switched mode power supplies, this controller includes several improved characteristics. The start-up current is guaranteed to be less than 0.5mA, and the oscillator discharge is trimmed to 8.3mA. During under-voltage lockout, the output stage can sink at least 10mA at less than 1.2V for VCC over 5V.
Key Features
- Optimised for off-line and DC to DC converters
- Low start-up current (less than 0.5mA)
- Trimmed oscillator discharge current
- Automatic feed forward compensation
- Pulse-by-pulse current limiting
- Enhanced load response characteristics
- Under-voltage lockout with hysteresis
- Double pulse suppression
- High current totem pole output
- Internally trimmed bandgap reference
- Low RO error amp
- No Sb/Br
This single-ended controller operates with a current mode control topology, supporting flyback and forward designs. With a supply voltage range of 12V to 25V and a switching frequency of up to 500kHz, it provides versatile performance for power management applications. The controller features a 100% duty cycle and an output current of 1A. Packaged in an 8-pin DIP through-hole format, it measures 43mm in height, 33mm in width, and 15mm in depth, with a weight of 0.833 grams. It is designed to operate reliably within a temperature range of 0°C to 70°C.
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