B2025/2076 Advance Information Description Linear B2026

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B2025/2076 Advance Information Description Linear B2026

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Dual-Channel Power Distribution Switch
B2025/2076
Advance Information
Description
Linear B2026 B2076 dual high-side power switch recommended general Propose self-powered bus-powdered universal serial (USB) application conforming requirements. These devices include thermal shutdown which fault modes reduces current consumptions. Additional features such thermal shutdown prevent catastrophic switch failure from excessively high current loads, under voltage lockout (UVLO) ensure that device remains unless there valid input voltage present. These device includes internal current limits. 2026/76 offer soft-start circuit limit inrush current Fault status output flag time over current thermal shutdown status. Linear B2026/76 available 8-pin 8-pin SOIC packages.
Features
2.7V 5.5V Input Under voltage Lockout Typical off-State Supply Current 500mA Minimum Continuous Load Current B2076 with Circuit Breaker Mode Logic Compatible Input Thermal Shutdown Short Circuit protection Compatible with B2526 Replacement MIC2026/76
Applications
Host self-Powered Hubs Power Management Battery-Charger Circuits Plug-In Power Supplies Bus-Powered Hubs Notebooks/PDA ACPI power distribution
Package Information
Ordering Information
Package
SO-8 SO-8 Active High B2026-1M B2076-1M B2026-1P B2076-1P
Enable
Active B2026-2M B2076-2M B2026-2P B2076-2P
SO-8/8-DIP
FLAG FLAG
VOUT VOUT
B2026/76
Logic Charge Pump Logic Charge Pump
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Linear,
2418Armstrong St., Livermore 9550
Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
B2026/76
ABSOLUTE MAXIMUM RATINGS
Supply Voltage.+.6V Fault Flag Voltage.+.6V Fault Flag Current.25mA Output Voltage.6V Output Current.Internally Limited Enable Input.-0.3V Storage Temperature.-65°C +150°C Lead Temperature (Soldering sec.).260°C
OPERATING RATING
Supply Voltage .+2.7V +5.5V Ambient Operating Temperature. -40°C +85°C Thermal Resistance SOIC 160°C/W DIP. 105°C/W
ELECTRICAL CHARACTERISTICS Ta=25°C, unless otherwise specified. (Note Parameters
Units
Conditions
Supply Current Switch Off, Open VENA=VEMB0.8V Switch Off, Open VENA=VEMB2.4V Switch Open VENA=VEMB0.8V Switch Open VENA=VEMB 2.4V High Transition High Transition, (Note1) 5.5V IOUT 500mA, Each Switch 3.3V IOUT 500mA, Each Switch CL=1µf CL=1µf CL=1µf CL=1µf Each output (output disabled) Each output Each output (enable into load), VOUT Ramped Load applied enable output, VOUT 4.0V VIN=5V, apply VOUT=0V UNTIL FLAG VIN=3.3V, apply VOUT=0V UNTIL FLAG VOUT=0V IOUT=ILIMIT VFLAG Increasing Decreasing 0.75 0.75 1.45 0.01 1.15 2.15
Enable Input Threshold Enable Input Current Enable Input Capacitance Switch Resistance Output Turn-On Delay Output Turn-On Rise Time Output Turn-Off Delay Output Turn-Off Fall Time Output Leakage Current Continuous Load Current Short Circuit Current Limit Current Limit Threshold Over current Flag Response Delay Short Circuit Response Time Error Flag Current UVLO Threshold
1.25 1.25
0.01 2.15
Linear,
2418Armstrong St., Livermore 9550
Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
Advance Information- These data sheets contain descriptions products that development. specifications based engineering calculations, computer simulations and/ initial prototype evaluation. Preliminary Information- These data sheets contain minimum maximum specifications that based initial device characterizations. These limits subject change upon completion full characterization over specified temperature supply voltage ranges.
application circuit examples only explain representative applications devices intended guarantee circuit design permit industrial property right other rights execute. Linear takes responsibility problems related industrial property right resulting from contents shown data book. Typical parameters vary different applications. Customer's technical experts must validate operating parameters including Typical" each customer application.
LIFE SUPPORT NUCLEAR POLICY
Linear products authorized should used within life support systems which intended surgical implants into body support sustain life, aircraft, space equipment, submarine, nuclear facility applications without specific written consent Linear President.
Linear,
2418Armstrong St., Livermore 9550
Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com

B2025/2076 Advance Information Description Linear B2026

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