ARCHIVED 4/08 - The 33997 is a multiple output, medium power integrated supply operating from a 6.0 to 26.5V (with 40V transient) input source. A 5.0 V output is provided by a sensorless current mode step-down switching supply. A 3.3V output is provided by a linear regulator using an external pass transistor. An additional 3.3 V output is provided for standby use along with two internally protected low RDS(on)LDMOS 5.0 V outputs for sensor use. Separate Enable inputs provide main and sensor supply output control with reset and power-on reset delay. The 33997 provides power supply sequencing for advanced microprocessor architectures such as the NXP® Semiconductors MPC5xx and 683xx microprocessor families.
***** NOT RECOMMENDED FOR NEW DESIGNS *****
CONSULT FACTORY FOR SUGGESTED REPLACEMENT
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