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| Battrax Quad Negative SLIC Protector Battrax Quad Negative SLIC Protector (T) 6 Ground 5 (R) 4 This Battrax device is an integrated overvoltage protection solution for SLIC-based (Subscriber Line Interface Circuit) line cards. This six-pin device is constructed using four SCRs and four gate diodes. The device is referenced to VBAT and conducts when a voltage that is more negative than -VREF is applied to the cathode (pins 1, 3, 4, or 6) of the SCR. During conduction, all negative transients are shorted to Ground. All positive transients are passed to Ground by steering diodes. For specific diagrams showing these Battrax applications, see Figure 3.37. 1 (T) 2 (-VREF) 3 (R) Electrical Parameters Part Number * B1101U_4 ** B1161U_4 ** B1201U_4 ** VDRM Volts |-VREF| + |-1.2V| |-VREF| + |-1.2V| |-VREF| + |-1.2V| VS Volts |-VREF| + |-10V| |-VREF| + |-10V| |-VREF| + |-10V| VT Volts 4 4 4 IDRM Amps 5 5 5 IGT mAmps 100 100 100 IT Amps 2.2 2.2 2.2 IH mAmps 100 160 200 CO pF 50 50 50 * For individual "UA" and "UC" surge ratings, see table below. ** Contact factory for release date. General Notes: * All measurements are made at an ambient temperature of 25 C. IPP applies to -40 C through +85 C temperature range. * IPP is a repetitive surge rating and is guaranteed for the life of the product. * IPP ratings assume a VREF = 48 V. * VDRM is measured at IDRM. * VS is measured at 100 V/s. * Off-state capacitance (CO) is measured at 1 MHz with a 2 V bias and is a typical value. "UC" product is approximately 2x the listed value. * VREF maximum value for the negative Battrax is -200 V. Surge Ratings IPP 2x10 s Amps 150 500 IPP 8x20 s Amps 150 400 IPP 10x160 s Amps 90 200 IPP 10x560 s Amps 50 120 IPP 10x1000 s Amps 45 100 ITSM 60 Hz Amps 20 50 di/dt Amps/s 500 500 Series A C http://www.littelfuse.com +1 972-580-7777 2 - 56 (c) 2004 Littelfuse, Inc. SIDACtor(R) Data Book and Design Guide Battrax Quad Negative SLIC Protector Thermal Considerations Package Modified MS-013 6 5 4 1 2 Symbol TJ TS RJA Parameter Operating Junction Temperature Range Storage Temperature Range Thermal Resistance: Junction to Ambient Value -40 to +125 -65 to +150 60 Unit C C C/W +I IPP - Peak Pulse Current - %IPP Positive Battrax Characteristics tr = rise time to peak value td = decay time to half value IT IGT IS IH IDRM -V -V 100 Peak Value Waveform = tr x td +V +V 50 Half Value VT VDRM DRM VS VS Negative Battrax Characteristics -I -I V-I Characteristics 0 0 tr td t - Time (s) tr x td Pulse Wave-form 14 Percent of VS Change - % 12 8 6 4 2 0 -4 -6 -8 -40 -20 0 20 40 60 80 100 120 140 160 IH IH (TC = 25 C) 10 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 -40 -20 0 20 40 60 80 100 120 140 160 25 C 25 C Ratio of Case Temperature (TC) - C Junction Temperature (TJ) - C Normalized VS Change versus Junction Temperature Normalized DC Holding Current versus Case Temperature (c) 2004 Littelfuse, Inc. SIDACtor(R) Data Book and Design Guide 2 - 57 http://www.littelfuse.com +1 972-580-7777 Data Sheets 3 |
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