AAT1403B

The AAT1403B is SIX-CHANNEL DIGITAL STILL CAMERA POWER SUPPLY.The AAT1403B has 13 features.The first one is complete PWM Power Control Circuitry.The second one is Input Voltage Range: 1.4V to 6.5V.The third one is Low Start-Up Voltage: 1.4V (CH6).The fourth one is Separate On/Off Control for CH1~CH6.The fifth one is Supports Synchronous Boost Rectification (CH1,6).The sixth one is Supports Synchronous Buck Rectification (CH5).The seventh one is Supports Boost Conversion (CH2, 4).The eighth one is Supports White LED Driver (CH4).The ninth one is Supports Inverting Conversion (CH3).The tenth one is Totem Pole Output.The eleventh one is Short Circuit Protection.The twelfth one is VQFN40 and LQFP48 Package.The thirteenth one is Oscillator Frequency: 500 kHz (±15%).
The AAT1403B provides an integrated six-channel pulse-width-modulation (PWM) solution for the power supply of DC-DC converter; this device offers system engineer flexibility to tailor-make the power supply circuitry for specific applications. Each channel contains its own error amplifier, PWM comparator, dead-time control and output driver. The under-voltage protection,oscillator, short circuit protection and voltage reference circuit are the common features for the six channels.In addition to two boost conversions and one inverting conversion, AAT1403B also has three synchronous rectifiers.
The AAT1403B has some informations about absolutly maximum ratings.Supply Voltage:Symbol is VDD,Value is 7,Unit is V.Input Voltage ( IE − , DTC − , SD − ):Symbol is VI,Value is VDD,Unit is V.Output Voltage:Symbol is Vo,Value is VDD+0.3,Unit is V.Output Current:Symbol is Io,Value is +20,Unit is mA.Operating Temperature Range:Symbol is TC,Value is − 20 to + 85,Unit is .Storage Temperature Range:Symbol is Tstorage,Value is − 40 to + 125,Unit is .
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