Skyworks Solutions, Inc.: LED Camera Flash Driver: AAT3170: AAT3170IWP-T1

Power Electronics Products from CDI

AAT3170IWP-T1
High Current LED Flash Driver Charge Pump
Manufacturer: Skyworks Solutions, Inc.
Status: Obsolete
Data Sheet: AAT3170IWP-T1 Data Sheet
RoHS Compliance: Skyworks Solutions, Inc., AAT3170IWP-T1, LED Camera Flash Driver, High Current LED Flash Driver Charge Pump (Rohs Compliant), Component Distributors Inc. (CDI) Yes
Specifications
Type:
Charge Pump
Flash Iout Total:
600 mA
Movie Mode Iout Total:
200 mA
# LED Channels:
2
Vin Min:
2.7 V
Vin Max:
5.5 V
Vout Max:
4.9 V
IQ (typ):
300 µA
Interface:
AS2Cwire™
Shutdown Current:
1 µA
Peak Efficiency:
90 μH
Package:
TDFN33-12
Also Available
Part FunctionPart NumberDescription
Evaluation Board AAT3170IWP-DB1 Skyworks Solutions, Inc. Demo board for AAT3170IWP-T1
The AAT3170 is a high output current, high efficiency, low noise, low profile charge pump DC/DC converter, ideal for multi-function LED photo-flash applications where solution cost, size, and efficiency are critical. The dual charge pump in the AAT3170 is capable of delivering 600mA output current. Two current-controlled paths are available for users of dual flash LEDs that prefer current matching. Each LED channel can be easily programmed in 32 steps with a single GPIO output through the AS²Cwire™ (Advanced Simple Serial Control™) interface. This allows smooth transitions and flexible adjustment of brightness in flash or other lighting modes. The tri-mode (1X/1.5X/2X) operation of the internal charge pump offers excellent power efficiency for both flash and movie modes. Combined with a low external parts count (two 1µF flying capacitors and one small bypass capacitor at V IN and OUT), the AAT3170 is ideally suited for small, battery-powered applications. The AAT3170 has a thermal management system to protect the device in the event of a short-circuit condition at the output pin. Built-in soft-start circuitry prevents excessive inrush current during start-up. The shutdown feature disconnects the load from V IN and reduces quiescent current to less than 1.0µA. The AAT3170 is available in the Pb-free, thermally enhanced, 12-pin 3x3mm TDFN package.
Pricing
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