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AAT1102

Advanced Analog Technology
Part Number AAT1102
Manufacturer Advanced Analog Technology
Description ADVANCED PWM DC-DC CONVERTER
Published Aug 28, 2008
Detailed Description Advanced Analog Technology, Inc. AAT1102 Product information presented is current as of publication date. Details are su...
Datasheet PDF File AAT1102 PDF File

AAT1102
AAT1102

Overview
Advanced Analog Technology, Inc.
AAT1102 Product information presented is current as of publication date.
Details are subject to change without notice ADVANCED PWM DC-DC CONVERTER WITH INTERNAL SWITCH AND SOFT-START www.
DataSheet4U.
com FEATURES 1.
6A, 0.
23Ω, Internal Switch High Efficiency: 90% Adjustable Output: VDD to 12.
5V Adjustable Frequency: 640kHz or 1.
3MHz Wide Input Range: +2.
6V to +5.
5V Low Shutdown Current: 0.
1µA Programmable Soft-Start Small 8-Pin MSOP Package GENERAL DESCRIPTION The AAT1102 is a step-up DC-DC converter with a 1.
6A, 0.
23Ω internal switch.
Equipped with an external compensation pin, this device offers user flexibility in determining loop dynamic and adjusting operating frequency.
AAT1102 also allows the use of small, low equivalent resistance (ESR) ceramic output capacitor, and it’s capable of converting a standard input of 3.
3V to multiple outputs of 8V, − 8V , and 23V.
Furthermore, filtering and loop performance are facilitated and enhanced by a high switching frequency of either 640 kHz or1.
3MHz.
The AAT1102’s versatility comes with a power-smart design.
A soft-start programmed with an external capacitor that sets the input current ramp rate, reduces the current consumption to 0.
1µA in shutdown mode.
When operating, a mere 2.
6V input yields an impressive output voltage as high as 12.
5V.
High switching frequency and economical design allow AAT1102 to be less than 1.
1mm high.
Its compact 8-pin MSOP package and superior performance make it an ideal part for biasing TFT displays.
PIN CONFIGURATION TOP VIEW EO 1 2 AAT1102 3 4 8-Pin MSOP 8 7 6 5 SS IN FREQ SHDN VDD GND SW – – ‫؀‬᨜ᣊֺઝ‫ैݾ‬ٝ‫ૻڶ‬ֆ‫– ׹‬ Advanced Analog Technology, Inc.
– Page 1 of 18 V4.
0 Advanced Analog Technology, Inc.
AAT1102 PIN DESCRIPTIONS PIN 1 2 www.
DataSheet4U.
com NAME EO IN FUNCTION Compensation Pin for Error Amplifier Feedback Pin with a Typical Reference Voltage of 1.
24V, VOUT = IN(1+ R1 ) R2 3 4 5 6 7 8 SHDN GND SW VDD FREQ SS Shutdown Control P...


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