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Sell Mc34844aepr2 High Efficiency, Led Driver
Posted at: Offers to Sell and Export | Posted on: Thursday 30 August 2012 2:45 am | Poster last visit: Friday 26 July 2013 |
Product Description:
Excellent Integrated System LIMITED (EIS LIMITED), Established in 1991, is a professional independent
stocking distributor of electronic components and specialize in buying the EXCESS STOCK from the original equipment manufacturers (OEMs), Contract equipment manufacturers (CEMs), and many other factories. EIS has gained good experiences in Excess Inventory Management through its development over 20 years and has become the reliable partner for the domestic and foreign OEM manufacturers. If any inquiry and question, please email us:
Part number mc34844aepr2
BRAND Freescale Semiconductor, Inc [Freescale]
Packaging 32-vfqfn
Date code 10+
PRICE Email us
Summary LED driver, high efficiency, PWM frequency programmable
Description as follow:
The MC34844AEPR2 is a high efficiency, LED driver for use in backlighting LCD displays from 10" to 20"+. Operating from supplies of 7.0 to 28V, the MC34844AEPR2 is capable of driving up to 160 LEDs in 10 parallel strings. Current in the 10 strings is matched to within ±2%, and can be programmed via the I2C/SM Bus interface.
Parametrics
Absolute maximum ratings: (1)Ambient Temperature Range: -40 to 105℃; (2)Junction to Ambient Temperature: 32℃/W; (3)Junction to Case Temperature: 3.5℃/W; (4)Maximum junction temperature: 150 ℃; (5)Storage temperature range: -40 to 150℃; (6)Peak Package Reflow Temperature During Reflow: 260℃; (7)Power Dissipation: 3.9 W at TA = 25℃, 2.5 W at TA = 70℃.
Features
Features: (1)Input voltage of 7.0 to 28V; (2)2.5A integrated boost FET; (3)up to 50 mA on the 34844 LED current per channel; (4)up to 80 mA on the 34844A LED current per channel; (5)90% efficiency (DC:DC); (6)I2C/SM Bus interface; (7)10 channel current mirror with ?% current matching; (8)Boost output voltage up to 60V, with Dynamic Headroom Control (DHC); (9)PWM frequency programmable or synchronizable from 100 to 25, 000 Hz for the 34844; (10)PWM frequency programmable or synchronizable from 110 to 27, 000 Hz for the 34844A; (11)32-Ld 5x5x1.0mm TQFN Package; (12)Pb-free packaging designated by suffix code EP.
Diagrams
Company Contact:
Contact Name: John
Company Name: Excellent Integrated System Limited (eis Limited)
Email:
Tel: 00852-30777742
Fax: 00852-30777843
Street Address: Rm 906, Workingberg
Comm Bldg, 41-47 Marble Rd, Hong Kong
Member name: EISLIMITED
Country:
Hong Kong
Member Since: 29 August 2012
Total Leads: 537 EISLIMITED Import Export Business Leads
Business focus: Electronic Components, Active Component, Integrated Circuit, Semiconductor, Chips
Chat:
Verify: Safe Import Export Tips
stocking distributor of electronic components and specialize in buying the EXCESS STOCK from the original equipment manufacturers (OEMs), Contract equipment manufacturers (CEMs), and many other factories. EIS has gained good experiences in Excess Inventory Management through its development over 20 years and has become the reliable partner for the domestic and foreign OEM manufacturers. If any inquiry and question, please email us:
Part number mc34844aepr2
BRAND Freescale Semiconductor, Inc [Freescale]
Packaging 32-vfqfn
Date code 10+
PRICE Email us
Summary LED driver, high efficiency, PWM frequency programmable
Description as follow:
The MC34844AEPR2 is a high efficiency, LED driver for use in backlighting LCD displays from 10" to 20"+. Operating from supplies of 7.0 to 28V, the MC34844AEPR2 is capable of driving up to 160 LEDs in 10 parallel strings. Current in the 10 strings is matched to within ±2%, and can be programmed via the I2C/SM Bus interface.
Parametrics
Absolute maximum ratings: (1)Ambient Temperature Range: -40 to 105℃; (2)Junction to Ambient Temperature: 32℃/W; (3)Junction to Case Temperature: 3.5℃/W; (4)Maximum junction temperature: 150 ℃; (5)Storage temperature range: -40 to 150℃; (6)Peak Package Reflow Temperature During Reflow: 260℃; (7)Power Dissipation: 3.9 W at TA = 25℃, 2.5 W at TA = 70℃.
Features
Features: (1)Input voltage of 7.0 to 28V; (2)2.5A integrated boost FET; (3)up to 50 mA on the 34844 LED current per channel; (4)up to 80 mA on the 34844A LED current per channel; (5)90% efficiency (DC:DC); (6)I2C/SM Bus interface; (7)10 channel current mirror with ?% current matching; (8)Boost output voltage up to 60V, with Dynamic Headroom Control (DHC); (9)PWM frequency programmable or synchronizable from 100 to 25, 000 Hz for the 34844; (10)PWM frequency programmable or synchronizable from 110 to 27, 000 Hz for the 34844A; (11)32-Ld 5x5x1.0mm TQFN Package; (12)Pb-free packaging designated by suffix code EP.
Diagrams
Company Contact:
Contact Name: John
Company Name: Excellent Integrated System Limited (eis Limited)
Email:
Tel: 00852-30777742
Fax: 00852-30777843
Street Address: Rm 906, Workingberg
Comm Bldg, 41-47 Marble Rd, Hong Kong
Member name: EISLIMITED
Country:
Hong KongMember Since: 29 August 2012
Total Leads: 537 EISLIMITED Import Export Business Leads
Business focus: Electronic Components, Active Component, Integrated Circuit, Semiconductor, Chips
Chat:
Verify: Safe Import Export Tips
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