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AP1184T525L-13

AP1184T525L-13

  • 厂商:

    DIODES

  • 封装:

  • 描述:

    AP1184T525L-13 - 4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR - Diodes Incorpora...

  • 数据手册
  • 价格&库存
AP1184T525L-13 数据手册
AP1184 4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR Features • • • • • • • • 0.85V maximum dropout voltage at 4A load current Built-in Thermal shutdown Output current limiting Adjustable or fixed output voltage1.5V, 1.8V, 2.5V, 3.3V, 5.0V Fast transient response Good noise rejection Packages: TO220-5L and TO263-5L Lead Free Finish/RoHS Compliant for Lead Free products (Note 1) General Description AP1184 is a 4A regulator with extremely low dropout voltage. This product is specifically designed to provide well regulated supply for applications requiring 2.8V or lower voltages from 3.3V ATX power supplies where high efficiency of the switch can be achieved without the cost and complexity associated with switching regulator. One such application is the new graphic chipsets that requires anywhere from 2.4V to 2.7V supply. Ordering Information AP1184 XX - XX X X Package K5 : TO263-5L T5 : TO220-5L Vout Blank : Adj 15 = 1.5V 18 = 1.8V 25 = 2.5V 33 = 3.3V 50 = 5.0V Lead Free L : Lead Free Packing -U : Tube -13 : Taping Device Lead-free Package Packaging Code (Note 2) K5 T5 TO263-5L TO220-5L Tube/Bulk Part Number Quantity Suffix 50 50 -U -U 13” Tape and Reel Part Number Quantity Suffix 800/Tape & Reel NA -13 NA Lead-free AP1184K5 AP1184T5 Notes: 1. RoHS revision 13.2.2003. Glass and high temperature solder exemptions applied, see EU Directive Annex Notes 5 and 7. 2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. AP1184 Rev. 4 1 of 12 www.diodes.com MARCH 2008 © Diodes Incorporated AP1184 4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR Pin Assignments FRONT VIEW 5 4 3 2 1 Tab is Vout Vin Vctrl Vout Adj(GND) Vsense FRONT VIEW 5 4 3 2 1 Tab is Vout Vin Vctrl Vout Adj(GND) Vsense TO263-L TO220-5L Pin Descriptions Pin Numbers with standard type are for TO220-5L, TO263-5L packages. Name Adj (GND) Vsense I/O I Vin I Vctrl NC Vout I O Description A resistor divider from this pin to the Vout pin and ground sets the output voltage. (GND only for fixed mode) This pin is the positive side of the reference that allows remote load sensing to achieve excellent load regulation. A minimum of 10uF capacitor must be connected from this pin to ground to insure stability. The input of the regulator. Typically a large storage capacitor is connected from this pin to ground to insure that the input voltage does not sag below the minimum dropout voltage during the load transient response. This pin must always be higher than Vout in order for the device to regulate. This pin is the supply pin for the internal control circuit as well as the base drive for the pass transistor. This pin must always be higher than the Vout pin in order to regulate the device. A minimum of 100uF capacitor must be connected from this pin to ground to insure stability. No connection The output of the regulator. A minimum of 100uF capacitor must be connected from this pin to ground to insure stability. AP1184 Rev. 4 2 of 12 www.diodes.com MARCH 2008 © Diodes Incorporated AP1184 4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR Block Diagram Vin Vctrl Vout Vsense + + CURRENT LIMIT + THERMAL SHUTDOWN Adj 1.25V + Typical Application Circuit 3.3V + 470uF G ND Vsense 5V + 470uF Vin Vctrl . NC Vout 2.5V/4A Vout + Vin 4 70uF AP1184-2.5V Absolute Maximum Ratings Symbol VIN Vctrl PD TST TOP Parameter Input Voltage Control Input voltage Power dissipation Storage temperature Range Operation Junction Temperature Range Rating 16 18 Internally limited -65 to +150 0 to +125 Unit V V o o C C AP1184 Rev. 4 3 of 12 www.diodes.com MARCH 2008 © Diodes Incorporated AP1184 4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR Electrical Characteristics Vout = Vsense ( Under Operating Conditions ) o o Unless otherwise specified, these specifications apply over, Cin = 1uF, Cout = 10uF, and Tj = 0 to 150 C. Typical value refer to TA = 25 C. Sym. Parameter Test Condition Io =10mA, TA = 25 C, (Vin-Vout) = 0.7V, AP1184-Adj Vctrl = VIN+1V o I = 10mA, VOUT+0.7V
AP1184T525L-13 价格&库存

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