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AAT1105A

BUCK_BOOST & BOOST PWM CONTROLLER; ? Complete PWM Power Control Circuitry CH1: Buck Boost, CH2: Boost\n? Under-Voltage Lockout (UVLO) Protection\n? Totem Pole Output\n? Output Short Circuit Protection\n? Dead-Time Control: 0% to 100%\n? Wide Operating Frequency: 10kHz to 800kHz\n? Power Good Protection\n? VDD Range: 2.6V to 6.5V\n;

\n \n\tThe AAT1105A provides an integrated two-channel pulse-width-modulation (PWM) solution for the power supply of DC-DC system. This device offers system engineers the flexibility to tailor-make the power supply circuitry for specific applications. Each channel contains its own error amplifier, PWM comparator, dead–time control (DTC), and output driver. The under-voltage protection, oscillator, short circuit protection (SCP) and voltage reference circuit are the common features for the two channels.\n\n\n\tThe AAT1105A contains one step-up (boost) circuit at channel two (CH2) and one inverting (buck boost) circuit at channel one (CH1). Dead-time control can be set to provide 0% to 100% dead-time through a resistive divider network. Soft-start can be implemented by paralleling the DTC resistor with a capacitor. Two dead-time control inputs are assigned for CH1 and CH2 individually, and dead-time control inputs can be used to control on / off operation.\n\n\n\tThe compact design and optimized external parts of AAT1105A offers a simple and effective solution.\n\n\t?\n

AAT1105A

BUCK_BOOST AND BOOST PWM CONTROLLER

AAT1105A-T1

BUCK_BOOST AND BOOST PWM CONTROLLER

AAT1105A-T1-T

BUCK_BOOST AND BOOST PWM CONTROLLER

AAT1145IDE-0.6-T1

ANALOGIC
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