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  1. Features. Transformer Driver for Ultra-Thin 5V-µs Transformers. Isolated DC-to-DC Power Supply for PCMCIA Applications. 450kHz Minimum Switching Frequency. Ultra-Low Input Supply Current Ripple. Single +5V or +3.3V Supply. 5µW Low-Power Shutdown Mode. 8-Pin SO and µMAX Packages. Low Output Ripple Permits Miniature Output Capacitors.

  2. Order today, ships today. MAX845C/D – Transformer Driver PMIC Die from Analog Devices Inc./Maxim Integrated. Pricing and Availability on millions of electronic components from Digi-Key Electronics.

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  4. ELECTRICAL CHARACTERISTICS. (VCC = 5V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) Note 1: Operating supply current is the current used by the MAX845 only. Load current is not included. Note 2: Shutdown supply current includes output switch leakage currents.

  5. Features. ♦ Transformer Driver for Ultra-Thin 5V-µs Transformers. ♦ Isolated DC-to-DC Power Supply for PCMCIA Applications. ♦ 450kHz Minimum Switching Frequency. ♦ Ultra-Low Input Supply Current Ripple. ♦ Single +5V or +3.3V Supply. ♦ 5µW Low-Power Shutdown Mode. ♦ 8-Pin SO and µMAX Packages. ♦ Low Output Ripple Permits Miniature Output Capacitors.

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  6. The MAX845 evaluation kit (EV kit) is an assembled and tested isolated 5V power supply that meets PCMCIA height requirements. Two demonstration circuits are provided: a 100mA circuit that uses an industry-standard 78L05 regulator, and a 40mA circuit that uses a low-cost zener shunt regulator.

  7. The MAX845 provides an isolated power supply small. enough to fit in thin PCMCIA cards and space-sensitive. applications. It drives a low-profile center-tapped trans- former primary from a 5V or 3.3V DC power supply. The. secondary can be wound to provide any isolated posi- tive or negative voltage at powers up to 750mW.

  8. View and download the latest Maxim Integrated MAX845CD Power Management ICs PDF Datasheet including technical specifications