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AAT2511

Features: • Up to 97% Efficiency• 25A Quiescent Current Per Channel• VIN Range: 2.7V to 5.5V• VOUT Range: 0.6V to VIN• Output Current: 600mA• Low RDS(ON) 0.4 Integrated Power Switches• Low Drop Out 100% Duty Cycle• 1.0MHz Switching Frequency• S...

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SeekIC No. : 004261076 Detail

AAT2511: Features: • Up to 97% Efficiency• 25A Quiescent Current Per Channel• VIN Range: 2.7V to 5.5V• VOUT Range: 0.6V to VIN• Output Current: 600mA• Low RDS(ON) 0.4 Inte...

AAT2511 Data Sheet

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Part Number:
AAT2511
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Up to 97% Efficiency
• 25A Quiescent Current Per Channel
• VIN Range: 2.7V to 5.5V
• VOUT Range: 0.6V to VIN
• Output Current: 600mA
• Low RDS(ON) 0.4 Integrated Power Switches
• Low Drop Out 100% Duty Cycle
• 1.0MHz Switching Frequency
• Shutdown Current <1A
• Current Mode Operation
• Internal Reference Soft Start
• Short-Circuit Protection
• Fast Turn-On (100s Typical)
• Over-Temperature Protection
• 3mm x 3mm, < 1mm high
• TDFN33-12 Package
• -40°C to +85°C Temperature Range


Application

• Cellular Phones
• Digital Cameras
• Handheld Instruments
• Microprocessor/DSP Core/IO Power
• PDAs and Handheld Computers
• Portable Media Players


Pinout

Connection Diagram


Specifications

Symbol Description
Value
Units
VIN VIN1, VIN2 to SGND1, SGND2, GND1, and GND2
6.0
V
VLX LX1, LX2 to GND1, GND2
-0.3 to VP + 0.3
V
VFB FB1 and FB2 to SGND1, SGND2, GND1, and GND2
-0.3 to VP + 0.3
V
VEN EN1 and EN2 to SGND1, SGND2, GND1, and GND2
-0.3 to 6.0
V
TJ Operating Junction Temperature Range
-40 to 150
TLEAD Maximum Soldering Temperature (at leads, 10 sec)
300



Description

The AAT2511 is a member of AnalogicTech's Total Power Management IC™ (TPMIC™) product family. It is comprised of two 1MHz step-down converters designed to minimize external component size and cost. The input voltage ranges from 2.7V to 5.5V. The output voltage ranges from 0.6V to the maximum applied input voltage and is externally adjustable.

Peak current mode control with internal compensation provides a stable converter with low ESR ceramic output capacitors for extremely low output ripple. Each channel has a low 25A quiescent operating current, which is critical for maintaining high efficiency at light load.

For maximum battery life, each AAT2511 converter's highside P-channel MOSFET conducts continuously when the input voltage approaches dropout (100% duty cycle operation).

Both regulators AAT2511 have independent input and enable inputs.

The AAT2511 is available in a Pb-free, thermallyenhanced 12-pin TDFN33 package, and is rated over the -40°C to +85°C temperature range.




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