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Technical content
Features
Up to -20V Reverse-Bias Protection Nano Seconds of Reverse-Bias Blocking Response Time +12V 24-Hour “Withstand” Rating 15mΩ Typical Series Resistance at 3.0V 18mΩ Typical Series Resistance at 2.1V Integrated TVS Over Voltage Suppression MicorFET2x2mm Package Size RoHs Compliant USB VBUS Compatible
Applications
3V+ Battery Operated Systems Reverse Battery Protection 2 to 5 Cell Alkaline Battery Operated Systems USB 1.0, 2.0 and 3.0 Devices USB Charging Mobile Devices Mobile Medical Toys Any DC Barrel Jack Powered Device Any DC Devices subject to Negative Hot Plug or Inductive Transients
Description
Reverse bias is an increasingly common fault event that may be generated by user error, improperly installed batteries, automotive environments, erroneous connections to third-party ch argers, negative “hot plug” transients, inductive transie nts, and readily available negatively biased rouge USB chargers. Fairchild circuit protection is proud to offer a new type of reverse bias protection devices. The FR devices are low resistance, series switches that, in the event of a reverse bias condition, shut off power and block the negative voltage to help protect downstream circuits. The FR devices are optimized for the application to offer best in class reverse bias protection and voltage capabilities while minimizing size, series voltage drop, and normal operating power consumption. In the event of a reverse bias application, FR015L3EZ devices effectively provide a full voltage block and can easily protect -0.3V rated silicon. From a power perspective, in normal bias, a 15m Ω FR device in a 0.1A application will generate only 1.5mV of voltage drop or 0.15mW of power loss. In reverse bias, FR devices dissipate less then 10µW in a 3V reverse bias event. This type of performance is not possible with a diode solution. Benefits extend beyond the device. Due to low power dissipation, not only is the device small, but heat sinking requirements and cost can be minimized as well. Ordering Information Part Number Operating Temperature Range Top Mark Package Packing Method FR015L3EZ -55°C ~ 125°C 019L 6-Lead, Molded Leadless Package (MLP), Dual, Non-JEDEC, 2mm Square, Single-Tied DAP 3000 on Tape & Reel; 7-inch Reel, 12mm Tape
Absolute Maximum Ratings Values are at TA=25°C unless otherwise noted. operable above the recommended operating conditions and stressi ng the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only.
- The V +24 rating is NOT a survival guarantee. It is a statistica lly calculated survivability reference point taken on
higher voltages, as well as production pulse testing at the V+24 level. Production device field life results may vary. Semiconductor for additional information.
- The device power dissipation and thermal resistance (R θ) are characterized with device mounted on the following
Figure 4. 1 Square Inch of 2-ounce copper Figure 5. Minimum Pads of 2-ounce Copper
© 2012 Fairchild Semiconductor Corporation www.fairchildsemi.com FR015L3EZ • Rev. A1 4 FR015L3EZ — Low Side Reverse Bias / Reverse Polarity Protector
Electrical Characteristics
Values are at TA = 25°C unless otherwise noted. Symbol Parameter Conditions Min. Typ. Max. Unit Positive Bias Characteristics RON Device Resistan ce, Switch On VIN = +1.7V, IIN = 1.5A 22 30 mΩ VIN = +2.1V, IIN = 1.5A 18 25 VIN = +3V, IIN = 1.5A 15 20 VIN = +5V, IIN = 1.5A 14 19 VIN = +3V, IIN = 1.5A, TJ = 125°C 22 30 VON Input Voltage, VIN, at which Voltage at POS, VPOS, Reaches a Certain Level at Given Current IIN = 100mA, VPOS = 50mV, VNEG = 0V 0.7 1.0 1.3 V ∆VON / ∆TJ Temperature Coefficient of V ON -1.7 mV/°C IDIODE_CONT Continuous Diode Forward Current V CTL = VPOS 2 A VF Diode Forward Voltage VCTL = VPOS, IDIODE = 3A, Pulse width < 300µs 0.65 0.80 0.95 V IBIAS Bias Current Flowing out of NEG Pin during Normal Bias Operation VCTL = 8V, VNEG = 0V, No Load 10 µA Negative Bias Characteristics V- MAX_OP Reverse Bias Breakdown Voltage IIN = -250µA, VCTL = VPOS =0V -20 V ∆V- MAX_OP / ∆TJ Reverse Bias Breakdown Voltage Temperature Coefficient 16 mV/°C I- Leakage Current from NEG to POS in Reverse-Bias Condition VNEG = 16V, VCTL = VPOS = 0V 1 µA tRN Time to Respond to Negative Bias Condition VNEG = 2.7V, VCTL = 0V, CLOAD = 10µF, Reverse Bias Startup Inrush Current = 0.2A 50 ns Integrated TVS Performance VZ Breakdown Voltage @ I T I T = 1mA 12 13 14.5 V IR Leakage Current from CTL to POS, NEG is Open VCTL – VPOS = 8V 2 10 µA VCTL – VPOS = -8V -2 -10 IPPM Max Pulse Current from CTL to POS IEC61000-4-5 8x20µs pulse, NEG is Open VCTL > VPOS 0.6 A VCTL < VPOS 0.4 VC Clamping Voltage form CTL to POS VCTL > VPOS 15.0 V VCTL < VPOS 14.3 Dynamic Characteristics CI Input Capacitance between CTL and NEG VIN = 3V, VNEG = VPOS = 0V, f = 1MHz 900 pF CS Switch Capacitance between POS and NEG 133 CO Output Capacitance between CTL and POS 967 RC Control Internal Resistance 2 Ω
TJ = 25°C unless otherwise specified. Figure 12. Startup Diode Current vs. Forward Voltage
B. DIMENSIONS ARE IN MILLIMETERS.
0.10 CAB
0.8 MAX
1.00 No Traces allowed in
D. DRAWING FILENAME: MKT-MLP06Lrev3. Figure 19. 6-Lead, Molded Leadless Package (MLP), Dual, Non-JEDEC, 2mm Square, Single-Tied DAP warranty therein, which covers Fairchild products. http://www.fairchildsemi.com/packaging/.
© 2012 Fairchild Semiconductor Corporation www.fairchildsemi.com FR015L3EZ • Rev. A1 12 FR015L3EZ — Low Side Reverse Bias / Reverse Polarity Protector TRADEMARKS The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not intended to be an exhaustive list of all such trademarks. 2Cool AccuPower AX-CAP* BitSiC Build it Now CorePLUS CorePOWER CROSSVOLT CTL Current Transfer Logic DEUXPEED® Dual Cool™ EcoSPARK EfficientMax ESBC Fairchild® Fairchild Semiconductor® FACT Quiet Series FACT® FAST® FastvCore FETBench FlashWriter®* FPS F-PFS FRFET® Global Power Resource SM GreenBridge Green FPS Green FPS e-Series Gmax GTO IntelliMAX ISOPLANAR Making Small Speakers Sound Louder and Better™ MegaBuck MICROCOUPLER MicroFET MicroPak MicroPak2 MillerDrive MotionMax mWSaver OptoHiT OPTOLOGIC® OPTOPLANAR® PowerTrench® PowerXS™ Programmable Active Droop QFET® QS Quiet Series RapidConfigure Saving our world, 1mW/W/kW at a time™ SignalWise SmartMax SMART START Solutions for Your Success SPM® STEALTH SuperFET® SuperSOT-3 SuperSOT-6 SuperSOT-8 SupreMOS® SyncFET Sync-Lock™ The Power Franchise® TinyBoost TinyBuck TinyCalc TinyLogic® TINYOPTO TinyPower TinyPWM TinyWire TranSiC TriFault Detect TRUECURRENT®* μSerDes UHC® Ultra FRFET UniFET VCX VisualMax VoltagePlus XS™ * Trademarks of System General Corporation, used under license by Fairchild Semiconductor. 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Obsolete Not In Production Datasheet contains specifications on a product that is discontinued by Fairchild Semiconductor. The datasheet is for reference information only. Rev. I62