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AAT1146

Features: • VIN Range: 2.7V to 5.5V• VOUT Fixed or Adjustable from 0.6V to VIN• 27A No Load Quiescent Current• Up to 98% Efficiency• 400mA Max Output Current• 1.4MHz Switching Frequency• 120s Soft Start• Fast Load Transient• Over-Temperature Pr...

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SeekIC No. : 004261013 Detail

AAT1146: Features: • VIN Range: 2.7V to 5.5V• VOUT Fixed or Adjustable from 0.6V to VIN• 27A No Load Quiescent Current• Up to 98% Efficiency• 400mA Max Output Current• 1.4...

AAT1146 Data Sheet

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Part Number:
AAT1146
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

• VIN Range: 2.7V to 5.5V
• VOUT Fixed or Adjustable from 0.6V to VIN
• 27A No Load Quiescent Current
• Up to 98% Efficiency
• 400mA Max Output Current
• 1.4MHz Switching Frequency
• 120s Soft Start
• Fast Load Transient
• Over-Temperature Protection
• Current Limit Protection
• 100% Duty Cycle Low-Dropout Operation
• <1A Shutdown Current
• SC70JW-8 Package
• Temperature Range: -40°C to +85°C


Application

• Cellular Phones
• Digital Cameras
• Handheld Instruments
• Microprocessor / DSP Core / IO Power
• PDAs and Handheld Computers
• USB Devices


Pinout

Connection Diagram




Specifications

Symbol Description
Value
Units
VIN
VLX
VOUT
VEN
TJ
TLEAD		 Input Voltage GND
LX to GND
OUT to GND
EN to GND
Operating Junction Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
6.0
-0.3 to VIN + 0.3
-0.3 to VIN + 0.3
-0.3 to 6.0
-40 to 150
300
V
V
V
V
°C
°C



Description

The AAT1146 SwitchReg is a member of AnalogicTech's Total Power Management IC™ (TPMIC™) product family. It is a 1.4MHz stepdown converter with an input voltage range of 2.7V to 5.5V and output voltage as low as 0.6V. It is optimized to react quickly to a load variation.

The AAT1146 is available in fixed voltage versions with internal feedback and a programmable version with external feedback resistors. It can deliver 400mA of load current while maintaining a low 27A no load quiescent current.

The 1.4MHz switching frequency minimizes the size of external components while keeping switching losses low. The AAT1146 is designed to maintain high efficiency throughout the operating range, which is critical for portable applications.

The AAT1146 is available in a Pb-free, space-saving 2.0x2.1mm SC70JW-8 package and is rated over the -40°C to +85°C temperature range.




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