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AT1741 Datasheet, PDF (1/10 Pages) List of Unclassifed Manufacturers – 2-CHANNEL PWM CONTROLLER FOR CCFL BACKLIGHT | |||
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AT1741
Preliminary Product Information
2-Channel PWM Controller for CCFL Backlight
Features
⢠High-accuracy reference voltage circuit (±2%).
⢠Built-in short-circuit protection circuit.
⢠Built-in Undervoltage Lockout protection.
⢠Internal 2.5V Reference supply.
⢠Variable Dead time provides control over total
Range.
Applications
⢠LCD CCFL Backlight
⢠Portable equipment
General Description
The AT1741 is 2-channel PWM switching
regulator controllers that contains an on-chip 2.5V
reference, two error amplifier, an adjustable
oscillator, two dead-time comparators, under-
voltage lockout circuitry and 2 common-emitter
output. It is idea for step-up, step-down, and
inverting converter.
Block Diagram
Aimtron reserves the right without notice to change this circuitry and specifications.
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
WWW: http://www.aimtron.com.tw
Fax: 886-3-563-0879
Email: service@aimtron.com.tw
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