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615kHz / 1.25MHz Step Up PWM DC DC Converter LM3224MM-ADJ IC

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615kHz / 1.25MHz Step Up PWM DC DC Converter LM3224MM-ADJ IC
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Manufacturer Part Number: LM3224MM-ADJ
Brand Name: Original
Type: Integrated Circuit
Condition: RoHS New And Original
Dissipation Power: Standard W
Delivery Time: 1-3 Working Days
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615kHz PWM DC DC Converter


1.25MHz PWM DC DC Converter


1.25MHz Step Up DC DC Converter

Basic Infomation
Place of Origin: Original Factory
Brand Name: National Semiconductor
Certification: Lead free / RoHS Compliant
Model Number: LM3224MM-ADJ
Payment & Shipping Terms
Packaging Details: Standard Packaging
Delivery Time: Within 3days
Payment Terms: T/T in advance, Western Union, Xtransfer
Supply Ability: 1000
Product Description



Detailed Product Description
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offline led driver ic




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615kHz/1.25MHz Step-up PWM DC/DC Converter





The LM3224 is a step-up DC/DC converter with a 0.15Ω (typ.), 2.45A (typ.) internal switch and pin selectable operating frequency. With the ability to convert 3.3V to multiple outputs of 8V, -8V, and 23V, the LM3224 is an ideal part for biasing TFT displays. With the high current switch it is also ideal for driving high current white LEDs for flash applications. The LM3224 can be operated at switching frequencies of 615kHz and 1.25MHz allowing for easy filtering and low noise. An external compensation pin gives the user flexibility in setting frequency compensation, which makes possible the use of small, low ESR ceramic capacitors at the output.

An external soft-start pin allows the user to control the amount of inrush current during start up. The LM3224 is available in a low profile 8-lead MSOP package.





n Operating voltage range of 2.7V to 7V

n 615kHz/1.25MHz pin selectable frequency operation

n Over temperature protection

n Optional soft-start function

n 8-Lead MSOP package





part no. LM3224MM-ADJ
Manufacturer National Semiconductor
supply ability 10000
datecode 10+
package MSOP
remark new and original stock
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