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AAT1346C Datasheet

Part Number AAT1346C
Manufacturers Advanced Analog Technology
Logo Advanced Analog Technology
Description 2A 15V Step-Down DC-DC Converter
Datasheet AAT1346C DatasheetAAT1346C Datasheet (PDF)

Advanced Analog Technology, Inc. June 2008 AAT1346A/B/C Product information presented is for internal use within AAT Inc. only. Details are subject to change without notice 2A 15V Step-Down DC-DC Converter FEATURES Buck PWM with Internal PMOS 4.5V to 15.0V Input Voltage Range Max. 2A Output Current Under-Voltage Lockout (UVLO) Protection Internal Short Circuit and Thermal Protection Internal Soft-Start Fixed Switching Frequency (380kHz / 47kHz) 2 µA Shutdown Current SOP- 8 Package PIN CONFI.

  AAT1346C   AAT1346C






Part Number AAT1346B
Manufacturers Advanced Analog Technology
Logo Advanced Analog Technology
Description 2A 15V Step-Down DC-DC Converter
Datasheet AAT1346C DatasheetAAT1346B Datasheet (PDF)

Advanced Analog Technology, Inc. June 2008 AAT1346A/B/C Product information presented is for internal use within AAT Inc. only. Details are subject to change without notice 2A 15V Step-Down DC-DC Converter FEATURES Buck PWM with Internal PMOS 4.5V to 15.0V Input Voltage Range Max. 2A Output Current Under-Voltage Lockout (UVLO) Protection Internal Short Circuit and Thermal Protection Internal Soft-Start Fixed Switching Frequency (380kHz / 47kHz) 2 µA Shutdown Current SOP- 8 Package PIN CONFI.

  AAT1346C   AAT1346C







Part Number AAT1346A
Manufacturers Advanced Analog Technology
Logo Advanced Analog Technology
Description 2A 15V Step-Down DC-DC Converter
Datasheet AAT1346C DatasheetAAT1346A Datasheet (PDF)

Advanced Analog Technology, Inc. June 2008 AAT1346A/B/C Product information presented is for internal use within AAT Inc. only. Details are subject to change without notice 2A 15V Step-Down DC-DC Converter FEATURES Buck PWM with Internal PMOS 4.5V to 15.0V Input Voltage Range Max. 2A Output Current Under-Voltage Lockout (UVLO) Protection Internal Short Circuit and Thermal Protection Internal Soft-Start Fixed Switching Frequency (380kHz / 47kHz) 2 µA Shutdown Current SOP- 8 Package PIN CONFI.

  AAT1346C   AAT1346C







2A 15V Step-Down DC-DC Converter

Advanced Analog Technology, Inc. June 2008 AAT1346A/B/C Product information presented is for internal use within AAT Inc. only. Details are subject to change without notice 2A 15V Step-Down DC-DC Converter FEATURES Buck PWM with Internal PMOS 4.5V to 15.0V Input Voltage Range Max. 2A Output Current Under-Voltage Lockout (UVLO) Protection Internal Short Circuit and Thermal Protection Internal Soft-Start Fixed Switching Frequency (380kHz / 47kHz) 2 µA Shutdown Current SOP- 8 Package PIN CONFIGURATION GENERAL DESCRIPTION The AAT1346A/B/C is a 2A 15V step-down converter, which provides an integrated one-channel PWM solution for the power supply of DC-DC system. It offers system engineers the flexibility to tailor-make the power supply circuitry for specific applications. The buck PWM contains enable control signal, error amplifier, PWM comparator, output driver, under-voltage protection, oscillator, short circuit protection and voltage reference circuit. The AAT1346A/B/C contains one buck current mode PWM with internal PMOS. In addition, a digital soft-start is also included to prevent inrush current at startup. AAT1346A/B/C comes with a fixed 380kHz oscillator, however, when the feedback voltage is lower than 0.7V, the switching frequency changes to 47kHz and returns to 380kHz after the short-circuit is released. TYPICAL APPLICATION Power In VDD EO SW VOUT ENC IN ENC GND – – – Advanced Analog Technology, Inc. – Version 1.00 Page 1 of 12 Advanced Analog Technology, I.


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