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AAT1500

Features: Up to 4 LEDs at 2.8V Supply High Efficiency (85%) Output Over Voltage Protection HV Internal Switch 1MHz PWM Switching Frequency Uses Tiny 1 mm Height Inductor .2.6V to 6V Input Range .1A Shutdown Current SOT-26 & VQFN-8 Package Available ApplicationPalmtops MP3 Player Digital Still ...

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SeekIC No. : 004261064 Detail

AAT1500: Features: Up to 4 LEDs at 2.8V Supply High Efficiency (85%) Output Over Voltage Protection HV Internal Switch 1MHz PWM Switching Frequency Uses Tiny 1 mm Height Inductor .2.6V to 6V Input Range .1A ...

AAT1500 Data Sheet

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Part Number:
AAT1500
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: 2024/11/21

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Product Details

Description



Features:

Up to 4 LEDs at 2.8V Supply
High Efficiency (85%)
Output Over Voltage Protection
HV Internal Switch 
1MHz PWM Switching Frequency
Uses Tiny 1 mm Height Inductor .
2.6V to 6V Input Range .
1A Shutdown Current
SOT-26 & VQFN-8 Package Available


Application

Palmtops
MP3 Player  
Digital Still Cameras
Portable Media Player
Cell Phones and Smart Phones
Electronic Information Organizers


Pinout

Connection Diagram


Specifications

CHARACTERISTICS SYMBOL
 Value Units

Supply Voltage

V DD -0.3 to 7 V
SW, OVP to GND
  -0.3 to 21 V
Other I/O Pin Voltage
  -0.3 to 6 V
Junction Temperature
  125 °C
Storage Temperature Range
Tstorage -40 to125 °C
Operating Temperature Range T C -40 to85 °C
Lead Temperature TL 260 °C



Description

The AAT1500 is a step-up converter that provides a  solution to drive 1 to 4 white LEDs with a constant  current from a Lithium Ion cell, and its switching frequency is fixed at 1 MHz.   

 The AAT1500 offers a low 0.25V reference, which  minimizes power loss in the current setting resistor and improves efficiency. Protection feature includes output  over  voltage  protection.  The  AAT1500consists  of a 0.1A  shutdown  current,  and  HV internal switch. Input supple range allows operation from 2.6V to 6V. 

The AAT1500 is available in 6-pin SOT-26 and 8-pin VQFN-8 package. 
 
 




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