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AP450 Datasheet(PDF) 1 Page - Anachip Corp |
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AP450 Datasheet(HTML) 1 Page - Anachip Corp |
1 / 6 page AP450 2 Channel Linear Controller with Enable Function This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev. 1.1 Sep 7, 2004 1/6 Features - 2 Channel Linear Control Circuitries - Operating voltage can be up to 20V - Under voltage Lockout (UVLO) Protection - Current Limit - Over Voltage Protection - Power Good Function - 1.25V/0.8V internal voltage reference - 8-pin PDIP and SOP Pb-Free packages Applications - Backlight inverter - LCD Monitor - XDROM, XDSL Product General Description The AP450 series integrates two channel linear controllers into a single chip, mainly designs for power-supply regulator. All the functions included an on-chip 1.25V/0.8V reference output, error amplifier, UVLO, current limit. During low VCC situation, the UVLO makes sure that the outputs are off until the internal circuit is operational normally. Pin Assignment SOP-8L/PDIP-8L 1 2 3 45 6 7 8 (Top View) EN1/2 FB1 AP450 OUT1 FB2 OUT2 V REF GND Vcc Pin Descriptions Pin Name Pin No. Description GND 1 Signal Ground EN1/2 2 Channel 1/2 Enable Pin OUT1 3 Linear Controller CH1output FB1, 2 4, 5 Voltage Feedback OUT2 6 Linear Controller CH2 output VREF 7 1.25V/0.8V Output Vcc 8 Supply Voltage Ordering Information AP450 X X X Package Packing N: PDIP-8L S: SOP-8L Blank: Tube A : Taping Bandgap Version A: 1.25V BG B: 0.8V BG |
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