Features: • 8 to 35V operation• 5V reference trimmed to ±1%• 1Hz to 400kHz oscillator range• Dual 100mA source/sink outputs• Digital current limiting• Double pulse suppression• Programmable deadtime• Undervoltage lockout• Single Pulse metering&...
IP1526: Features: • 8 to 35V operation• 5V reference trimmed to ±1%• 1Hz to 400kHz oscillator range• Dual 100mA source/sink outputs• Digital current limiting• Double puls...
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The IP1526 high performance monolithic pulse width modulator circuits are designed for fixed frequency switching regulators and other power control applications. Included in an 1 8-pin dual-in-line package are a temperature compensated voltage reference, sawtooth oscillator, error amplifier, pulse width modulator, pulse metering and steering logic, and two low impedance power drivers. Also included are protective features such as soft-start and under-voltage lockout, digital current limiting, double pulse inhibit, a data latch for single pulse metering, adjustable deadtime, and provision for symmetry correction inputs. For ease of interface, all digital control ports are TTL and B-series CMOS compatible. Active LOW logic design of the IP1526 allows wired-OR connections for maximum flexibility. This versatile device can be used to implement single-ended or push-pull switching regulators of either polarity, both transformerless and transformer coupled.