AAT3171 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
'AAT3171' PDF : 19 Pages View PDF
AAT3171
High Current, High Efficiency
Charge Pump with Auto-Timer
Button(s) Pushed1, 2
DATA
MOVIE+DATA
FLASH
MOVIE
DATA+FLASH+MOVIE
Description
Increments through the 16 data settings. Hold-down to auto-cycle.
Decrement the data setting. Hold-down to auto-cycle.
Generate a flash pulse. Current level determined by the DATA setting (defaults to
DATA 1). Trim-pot VR4 sets timeout duration.
Toggle on/off movie mode illumination. Current level determined by the DATA setting.
Leave on to see effects of changing DATA.
Reset, shutdown.
Table 5: Evaluation Board User Interface.
Figure 5: AAT3171 Evaluation Board
Top Side Layout.
Figure 6: AAT3171 Evaluation Board
Bottom Side Layout.
1. The '+' sign indicates that these buttons are all pressed and released together.
2. Flash timeout duration is adjustable from 10ms to 2 seconds. Rotate trim pot VR4 clockwise to reduce the duration. When the time-
out duration determined by the value of CT is set to be less than the VR4 setting, it will supersede.
3171.2007.03.1.1
15
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