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Dual Regulated Outputs: One Switching Regulator and One Linear Regulator Excellent DC Accuracy: 1.5% for Switcher and 2% for Linear Regulator External N-Channel MOSFET Architecture No External Current Sense Resistor Required Burst Mode® Operation at Light Load (A01B) Continuous Switching at Light Load (A01BB) Linear Regulator with Programmable Current Limit Linear Regulator with Programmable Start-Up Delay Low Shutdown Current: <150µA High Efficiency Over Wide Load Current Range PGOOD Flag Monitors Both Outputs Small 16-Pin Narrow SSOP Package
The A01B is a quad-channel, voltage-output A01BAC with exceptional linearity and monotonicity. Its pro- prietary architecture minimizes undesired transients such as code to code glitch and channel to channel crosstalk. The low-power A01B operates from a single 2.7-V to 5.5-V supply. The A01B output amplifiers can drive a 2-kΩ, 200-pF load rail-to-rail with 5-µs settling time; the output range is set using an external voltage reference.
The A01B from STMicroelectronics is a Blue- tooth® baseband controller with integrated 4 Mbit flash memory. Together with a Bluetooth® Radio this product offers a compact and complete solu- tion for short-range wireless connectivity. It incor- porates all the lower layer functions of the Bluetooth® protocol.