B2025 ETC1

Document overview

  • Manufacturer or author: Provided By www.digicamel.com(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 3

Technical content

Features

  • 2.7V to 5.5V Input
  • Under voltage Lockout
  • 1µµµµA Typical off-State Supply Current
  • 500mA Minimum Continuous Load Current
  • B2076 with Circuit Breaker Mode
  • Logic Compatible Input
  • Thermal Shutdown & Short Circuit protection
  • Pin Compatible with B2526
  • Replacement for MIC2026/76

Applications

  • USB Host and self-Powered Hubs
  • USB Power Management
  • Battery-Charger Circuits
  • Hot Plug-In Power Supplies
  • Bus-Powered Hubs
  • Notebooks/PDA
  • ACPI power distribution Bay LinearBay LinearBay LinearBay Linear Inspire the Linear PowerInspire the Linear PowerInspire the Linear PowerInspire the Linear Power Logic Charge Pump Logic Charge Pump

8 Out (A)

5 Out (B)

6 GND

EN (A) 1 FLG (A) 2 FLB (B) 3 EN (B) 4 Top View BAY B2026/76 FLAG (B) EN (B) VOUT (A) GND VINFLAG (A) EN (A) SO-8/8-DIP VOUT (B) Top View BAY B2026/76 FLAG (B) EN (B) VOUT (A) GND VINFLAG (A) EN (A) SO-8/8-DIP VOUT (B)

Bay Linear, Inc 2418Armstrong St., Livermore CA USA 9550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B2026/76 ABSOLUTE MAXIMUM RATINGS OPERATING RATING Output Current……………………Internally Limited Storage Temperature………………-65 °C to +150°C Lead Temperature (Soldering 5 sec.)………….260 °C Thermal Resistance ELECTRICAL CHARACTERISTICS at VIN = 5V, Ta=25°C, unless otherwise specified. (Note 1) Parameters Conditions Typ Min Max Units Supply Current Switch Off, OUT = Open V ENA=VEMB≤0.8V Switch Off, OUT = Open VENA=VEMB≥2.4V Switch On, OUT = Open VENA=VEMB≤0.8V Switch On, OUT = Open VENA=VEMB ≥2.4V 0.75 0.75 100 100 160 160 µA Enable Input Threshold Low to High Transition High to Low Transition, (Note1) 1.7 1.45 0.8 2.4 V Enable Input Current V EN = 0V to 5.5V ± 0.01 -1 1 µA Enable Input Capacitance 1 pF Switch Resistance V IN = 5V IOUT = 500mA, Each Switch VIN = 3.3V IOUT = 500mA, Each Switch 100 140 170 mΩ Output Turn-On Delay RL = 10Ω , CL=1µf 1.3 5 ms Output Turn-On Rise Time RL = 10Ω , CL=1µf 1.15 4.9 ms Output Turn-Off Delay RL = 10Ω , CL=1µf 35 100 µs Output Turn-Off Fall Time RL = 10Ω , CL=1µf 32 100 µs Output Leakage Current Each output (output disabled) 10 µA Continuous Load Current Each output 0.5 A Short Circuit Current Limit Each output (enable into load), V OUT = 0V 0.9 0.5 1.25 A Current Limit Threshold Ramped Load applied to enable output, VOUT ≤ 4.0V 1.0 1.25 A Over current Flag Response Delay V IN=5V, apply VOUT=0V UNTIL FLAG LOW VIN=3.3V, apply VOUT=0V UNTIL FLAG LOW 3.0 3.0 1.5 7.0 ms Short Circuit Response Time V OUT=0V to IOUT=ILIMIT 20 µs Error Flag Off Current V FLAG = 5V 0.01 1 µA UVLO Threshold V IN = Increasing VIN = Decreasing 2.4 2.15 2.2 2.15 2.7 2.5 V

Bay Linear, Inc 2418Armstrong St., Livermore CA USA 9550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com Advance Information- These data sheets contain descriptions of products that are in development. The specifications are based on the engineering ca lculations, computer simulations and/ or initial prototype evaluation. Preliminary Information- These data sheets contain minimum and maximum specifications that are based on the initial device characterizations. These lim its are subject to change upon the completion of the full characterization over the specified temperature and supply voltage ranges. The application circuit examples are only to explain the representative applications of the devices and are not intended to gua rantee any circuit design or permit any industrial property right to other rights to execute. Bay Linear takes no responsibility for any problems related to any indust rial property right resulting from the use of the contents shown in the data book. Typical parameters can and do vary in different applications. Customer’s technical experts must validate all operating parameters including “ Typical” for each customer application. LIFE SUPPORT AND NUCLEAR POLICY Bay Linear products are not authorized for and should not be used within life support systems which are intended for surgical i mplants into the body to support or sustain life, in aircraft, space equipment, submarine, or nuclear facility applications without the specific written consent of Bay Linear President.