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AP2004

Diodes Incorporated
Part Number AP2004
Manufacturer Diodes Incorporated
Description PWM BUCK CONTROLLER
Published May 12, 2007
Detailed Description Features • PWM Buck Control Circuitry • Operating voltage can be up to 27V • Under voltage Lockout (UVLO) Protection • S...
Datasheet PDF File AP2004 PDF File

AP2004
AP2004

Overview
Features • PWM Buck Control Circuitry • Operating voltage can be up to 27V • Under voltage Lockout (UVLO) Protection • Short Circuit Protection (SCP) • Soft-start circuit • Variable Oscillator Frequency -- 300Khz Max • 1.
25V voltage reference Output • 8-pin SOP package • SOP-8L: Available in “Green” Molding Compound (No Br, Sb) • Lead Free Finish/ RoHS Compliant (Note 1) AP2004 PWM BUCK CONTROLLER General Description The AP2004 integrates Pulse-Width-Modulation (PWM) control circuit into a single chip, mainly designs for power-supply regulator.
All the functions include an on-chip 1.
25V reference output, an error amplifier, an adjustable oscillator, a soft-start, UVLO, SCP circuitry, and a push-pull output circuit.
Switching frequency is adjustable by trimming CT.
During low VCC situation, the UVLO makes sure that the outputs are off until the internal circuit operates normally.
Applications • Backlight inverter • LCD Monitor • CDROM, XDSL Product • DC...


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