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AS3685B - Ultra Small High Efficiency 1000mA Charge Pump

Download the AS3685B datasheet PDF. This datasheet also covers the AS3685A variant, as both devices belong to the same ultra small high efficiency 1000ma charge pump family and are provided as variant models within a single manufacturer datasheet.

General Description

The AS3685 is low noise high efficiency capacitive charge pump with 1:1, 1:1.5 and 1:2 operating modes in a small 3x3mm DFN10 or a tiny 2x1.5mm WL-CSP (Wafer Level Chip Scale Package) package.

It can drive one flash LED at up to 1000mA current.

Key Features

  • The benefits and features of AS3685A/AS3685B, Ultra Small High Efficiency 1000mA Charge Pump for White LED Flash are listed below: Figure 1: Added Value Of Using AS3685A/AS3685B Benefits Features.
  • System safety.
  • High efficiency capactive charge pump with 1:1, 1:1.5 and 1:2 modes therefore maximum input current is exactly controlled.
  • Overtemperature protection.
  • Automatic 800ms flash timeout.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AS3685A-ams.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number AS3685B
Manufacturer ams
File Size 617.50 KB
Description Ultra Small High Efficiency 1000mA Charge Pump
Datasheet download datasheet AS3685B Datasheet

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Other Datasheets by ams

Part Number Description
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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.

View original datasheet text
AS3685A/AS3685B Ultra Small High Efficiency 1000mA Charge Pump for White LED Flash General Description The AS3685 is low noise high efficiency capacitive charge pump with 1:1, 1:1.5 and 1:2 operating modes in a small 3x3mm DFN10 or a tiny 2x1.5mm WL-CSP (Wafer Level Chip Scale Package) package. It can drive one flash LED at up to 1000mA current. It supports flash/torch and indicator mode for the flash LED. Additionally the AS3685 limits the flash time automatically to protect the flash LED. Ordering Information and Content Guide appear at end of datasheet.