(PDF) AT1743 Datasheet - 2-Channel PWM Controller for LCD Display

Número de pieza	AT1743
Descripción	2-Channel PWM Controller for LCD Display
Fabricantes	ETC
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No Preview Available ! AT1743 2-Channel PWM Controller for LCD Display Features • High-accuracy reference voltage circuit (±1%). • 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 Display • Portable equipment General Description The AT1743 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 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: [email protected] 1 1 page Timing Curve AT1743 2-Channel PWM Controller for LCD Display 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: [email protected] 5 5 Page

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PDF AT1743 Data sheet ( Hoja de datos )