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LA5657H - System Power-Supply

Key Features

  • Built-in 10 V and 5 V regulators (external pnp transistor required) with standby (on/off) functions.
  • Extensive set of output systems: two 8 V systems, single 5 V, 3.25 V, and 5 to 9.7 V (set with an external resistor) systems, four open-collector output systems, and two VCC linked systems.
  • Three reset circuits: ACC, VDD (with delay circuit), and BATT.
  • Full complement of protection circuits.
  • Overcurrent protection circuits for all output systems exce.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number : ENN7596 www.DataSheet4U.com Monolithic Digital IC LA5657H System Power Supply IC for Car AV Systems Overview The LA5657H provides 10 V/2.2 A and 5 V/1.4 A external pnp transistor based low-saturation regulators with standby functions, as well as 3.3 V, 5 V, and 8 V constant voltage, open collector, and VCC linked (VCC 1 V) outputs that can be controlled from serial data (CCB). It also includes three reset detection circuits for the VDD, ACC, and battery systems. The LA5657H is an optimal power supply IC for car audio systems and similar products. Package Dimensions unit: mm 3233A-HSOP28H [LA5657H] 15.2 (6.2) 0.65 0.25 Ratings 24 Ta ≤ 25°C, independent IC 0.82 2.0 –30 to +85 –55 to +150 Ta ≤ 25°C, mounted on a 76.1 × 114.3 × 1.