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AP1506 - 3A PWM BUCK DC/DC CONVERTER

General Description

The AP1506 series are monolithic IC designed for a stepdown DC/DC converter, and own the ability of driving a 3A load without external transistor.

Due to reducing the number of external components, the board space can be saved easily.

Key Features

  • include a guaranteed +4% tolerance on output voltage under specified input voltage and output load conditions, and +15% on the oscillator frequency. The output version included fixed 3.3V, 5V, 12V, and an adjustable type. The packages are available in a standard 5-lead TO263 and TO220. ( Top View ) Metal Tab GND TO263-5L 5 SD 4 FB 3 Gnd 2 Output 1 VIN ( Top View ) 5 SD 4 FB 3 Gnd 2 Output 1 VIN TO220-5L/TO220-5L(R) Features.

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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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AP1506 150KHz, 3A PWM BUCK DC/DC CONVERTER Description Pin Assignments The AP1506 series are monolithic IC designed for a stepdown DC/DC converter, and own the ability of driving a 3A load without external transistor. Due to reducing the number of external components, the board space can be saved easily. The external shutdown function can be controlled by logic level and then come into standby mode. The internal compensation makes feedback control have good line and load regulation without external design. Regarding protected function, thermal shutdown is to prevent over temperature operating from damage, and current limit is to prevent over current operating of the output switch. If current limit function occurred and VFB is down to 0.5V below, the switching frequency will be reduced.