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APL5913 Dataheets PDF



Part Number APL5913
Manufacturers Anpec Electronics
Logo Anpec Electronics
Description 0.8V Reference Ultra Low Dropout Linear Regulator
Datasheet APL5913 DatasheetAPL5913 Datasheet (PDF)

APL5913 0.8V Reference Ultra Low Dropout (0.25V@3A) Linear Regulator Features General Description • Ultra Low Dropout The APL5913 is a 3A ultra low dropout linear regulator. - 0.25V(typical) at 3A Output Current This product is specifically designed to provide well sup- • Low ESR Output Capacitor (Multi-layer Chip ply volatage for front-side-bus termination on Capacitors (MLCC)) Applicable motherboards and NB applications. The IC needs two • 0.8V Reference Voltage supply voltages, a.

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APL5913 0.8V Reference Ultra Low Dropout (0.25V@3A) Linear Regulator Features General Description • Ultra Low Dropout The APL5913 is a 3A ultra low dropout linear regulator. - 0.25V(typical) at 3A Output Current This product is specifically designed to provide well sup- • Low ESR Output Capacitor (Multi-layer Chip ply volatage for front-side-bus termination on Capacitors (MLCC)) Applicable motherboards and NB applications. The IC needs two • 0.8V Reference Voltage supply voltages, a control voltage for the circuitry and a • High Output Accuracy main supply voltage for power conversion, to reduce - ±1.5% over Line, Load and Temperature power dissipation and provide extremely low dropout. • Fast Transient Response • Adjustable Output Voltage by External The APL5913 integrates many functions. A Power-On-Re- Resistors set (POR) circuit monitors both supply voltages to pre- • Power-On-Reset Monitoring on Both VCNTL and vent wrong operations. A thermal shutdown and current VIN Pins limit functions protect the device against thermal and cur- • Internal Soft-Start rent over-loads. A POK indicates the output status with • Current-Limit Protection time delay which is set internally. It can control other con- • Under-Voltage Protection verter for power sequence. The APL5913 is enabled by • Thermal Shutdown with Hysteresis other power system. Pulling and holding the EN pin be- • Power-OK Output with a Delay Time low 0.3V shuts off the output. • Shutdown for Standby or Suspend Mode The APL5913 is available in SOP-8P package which fea- • Simple SOP-8P Package with Exposed Pad tures small size as SOP-8 and an Exposed Pad to reduce • Lead Free and Green Devices Available the junction-to-case resistance, being applicable in (RoHS Compliant) 2~2.4W applications. Applications • Front Side Bus VTT (1.2V/3A) • Note Book PC Applications • Motherboard Applications Pin Configuration GND 1 8 EN FB 2 VOUT 3 VIN 7 POK 6 VCNTL VOUT 4 5 VIN SOP-8P (Top View) = Exposed Pad (connected to VIN plane for better heat dissipation) Copyright © ANPEC Electronics Corp. 1 Rev. A.7 - Apr., 2008 www.anpec.com.tw APL5913 Ordering and Marking Information APL5913 APL5913 KA : Assembly Material Handling Code Temperature Range Package Code APL5913 XXXXX Package Code KA : SOP-8P OpeCra:ti0ngtoA7m0boiCent Temperature Range Handing Code TR : Tape & Reel Assembly Material L : Lead Free Device G : Halogen and Lead Free Device XXXXX - Date Code Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020C for MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by weight). Block Diagram EN VCNTL VIN UV 0.4V Soft-Start and Control Logic PowerOn-Reset Thermal Limit VREF 0.8V EAMP FB Current Limit POK Delay 90% VREF POK VOUT GND Copyright © ANPEC Electronics Corp. 2 Rev. A.7 - Apr., 2008 www.anpec.com.tw APL5913 Typical Application Circuits 1. Using an Output Capacitor with ESR≥18mΩ CCNTL 1µF 6 R3 1k POk EN Enable VCNTL 7 POk VIN 5 VOUT 3 VOUT 4 APL5913 8 EN FB 2 GND 1 R2 2k VCNTL +5V CIN 100µF VIN +1.5V VOUT +1.2V / 3A COUT 220µF R1 1k C1 33nF (in the range of 12 ~ 48nF) 2. Using an MLCC as the Output Capacitor CCNTL 1µF 6 R3 1k POk EN Enable VCNTL 7 POk VIN 5 VOUT 3 VOUT 4 APL5913 8 EN FB 2 GND 1 R2 78k CIN 22µF R1 39k C1 56pF VCNTL +5V VIN +1.5V COUT 22µF VOUT +1.2V / 3A VOUT (V) 1.05 1.5 1.8 R1 (kΩ) 43 27 15 R2 (kΩ) 137.6 30.86 12 C1 (pF) 47 82 150 Copyright © ANPEC Electronics Corp. 3 Rev. A.7 - Apr., 2008 www.anpec.com.tw APL5913 Absolute Maximum Ratings Symbol VCNTL VIN VI/O VPOK PD TJ TSTG TSDR Parameter VCNTL Supply Voltage (VCNTL to GND) VIN Supply Voltage (VIN to GND) EN and FB to GND POK to GND Power Dissipation Junction Temperature Storage Temperature Maximum Lead Soldering Temperature, 10 Seconds Rating -0.3 ~ 7 -0.3 ~ 3.3 -0.3 ~ VCNTL+0.3 -0.3 ~ 7 3 150 -65 ~ 150 260 Unit V V V V W oC oC oC Thermal Characteristics Symbol θJA θJC Parameter Junction-to-Ambient Thermal Resistance in Free Air (Note1) Junction-to-Case Thermal Resistance in Free Air (Note 2) Value 42 18 Unit oC/W oC/W Note 1 : θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. The exposed pad of SOP-8P is soldered directly on the PCB. Note 2 : The “Thermal Pad Temperature” is measured on the PCB copper area connected to the thermal pad of package. 1 8 2 VIN 7 3 6 4 5 Measured Point PCB Copper Recommended Operating Conditions Symbol VCNTL VIN.


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