LX8587X-XX

LX8587x-xx TM ® 3A Low Dropout Positive Regulators P RODUCTION D ATA S HEET DESCRIPTION The LX8587/87A Series ICs are positive regulators designed to provide 3A output current. Pentium® Processor and Power PC™ applications requiring fast transient response are ideally suited for this product family. The LX8587A is guaranteed to have 4.75V + *1500µF 6MV1500GX Sanyo LX8587A ADJ 200Ω 1% OUT 121Ω 1% + 3.3V at 3A 1500µF 2x 6MV1500GX Sanyo PART # LX8587/87A-00 The output capacitors must be low ESR and low ESL type for good transient response. LX8587/87A-15 LX8587/87A-33 Table 1 - Available Options LX8587X LX8587X TA (°C) 0 to 125 Max Dropout Voltage 1.3V 1.2V DT PACKAGE ORDER INFO Plastic TO-220 Plastic TO-252 P 3-Pin (D-Pak) 3-Pin RoHS Compliant Transition DC: 0543 DD Plastic TO-263 3-Pin RoHS Compliant Transition DC: 0532 RoHS Compliant Transition DC: 0535 LX8587-xxCDT LX8587A-xxCDT LX8587-xxCP LX8587A-xxCP LX8587-xxCDD LX8587A-xxCDD Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX8587-00CP-TR) Copyright © 2000 Rev. 2.0a, 2005-10-25 Microsemi Integrated Products 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Page 1 LX8587x-xx TM ® 3A Low Dropout Positive Regulators P RODUCTION D ATA S HEET ABSOLUTE MAXIMUM RATINGS Power Dissipation ................................................................................... Internally Limited Input Voltage ................................................................................................................ 10V Input to Output Voltage Differential............................................................................. 10V Maximum Output Current............................................................................................... 5A Maximum Operating Junction Temperature .............................................................. 150°C Storage Temperature Range........................................................................ -65°C to 150°C Peak Package Solder Reflow Temp. (40 seconds max. exposure) .................260°C (+0,-5) Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of specified terminal. PACKAGE PIN OUT TAB is VOUT 3 W WW . Microsemi . C OM VIN VOUT ADJ / GND* 2 1 DD PACKAGE (3-PIN) (Top View) TAB is VOUT 3 VIN VOUT ADJ/ GND * THERMAL DATA 2 DD Plastic TO-263 3-Pin THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA THERMAL RESISTANCE-JUNCTION TO TAB, θJT Plastic TO-220 3-Pin THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA THERMAL RESISTANCE-JUNCTION TO TAB, θJT 1 60°C/W 2.7°C/W 60°C/W 2.7°C/W 60°C/W 2.7°C/W DT PACKAGE (3-PIN) (Top View) P TAB is VOUT 3 VIN VOUT ADJ / GND* 2 1 DT Plastic TO-252 3-Pin THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA THERMAL RESISTANCE-JUNCTION TO TAB, θJT P PACKAGE (3-PIN) (Top View) *Pin 1 is GND for fixed voltage versions RoHS 100% Matte Tin Lead Finish Junction Temperature Calculation: TJ = TA + (PD x θJT). The θJA & θJT numbers are guidelines for the thermal performance of the device/pc-board system. All of the above assume no ambient airflow. PACKAGE DATA PACKAGE DATA Copyright © 2000 Rev. 2.0a, 2005-10-25 Microsemi Integrated Products 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Page 2 LX8587x-xx TM ® 3A Low Dropout Positive Regulators P RODUCTION D ATA S HEET ELECTRICAL CHARACTERISTICS W WW . Microsemi . C OM Unless otherwise specified, the following specifications apply over the operating ambient temperature for the LX8587x-xx with 0°C ≤ TA ≤ 125°C. Test conditions: VIN -VOUT = 3V; IOUT = 3A. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature. Parameter LX8587-00/87A-00 (ADJUSTABLE) Reference Voltage Line Regulation (Note 2) Load Regulation (Note 2) Thermal Regulation Ripple Rejection (Note 3) Adjust Pin Current Adjust Pin Current Change Dropout Voltage LX8587-00 LX8587A-00 Minimum Load Current Maximum Output Current Temperature Stability Long Term Stability (Note 3) RMS Output Noise (% of VOUT) (Note 3) LX8587-15/87A-15 (1.5V FIXED) Output Voltage Line Regulation (note 2) Load Regulation (note 2) Thermal Regulation (note 3) Ripple Rejection (note 3) Quiescent Current Dropout Voltage LX8587-15 LX8587A-15 IQ ΔV IADJ ΔIADJ ΔV IOUT(MIN) IOUT(MAX) ΔVOUT(T) ΔVOUT(t) TA = 125°C, 1000 hours 0.003 10mA < IOUT < 3A, 1.5V < (VIN -VOUT), VIN < 7V ΔVREF = 1%, IOUT = 3A ΔVREF = 1%, IOUT = 3A VIN < 7V 1.4V < (VIN - VOUT), VIN < 7V 3 VREF Δ VREF (VIN) Δ VREF (IOUT) ΔVOUT (Pwr) IOUT = 10mA, TA = 25°C 10mA < IOUT < 3A, 1.5V < (VIN – VOUT), VIN