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 µAmps 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/µs. • 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 µs Amps 150 500 IPP 8x20 µs Amps 150 400 IPP 10x160 µs Amps 90 200 IPP 10x560 µs Amps 50 120 IPP 10x1000 µs Amps 45 100 ITSM 60 Hz Amps 20 50 di/dt Amps/µs 500 500
Series A C
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© 2004 Littelfuse, Inc. SIDACtor® Data Book and Design Guide
Battrax Quad Negative SLIC Protector
Thermal Considerations
Package Modified MS-013
6 5 4 1 2
Symbol TJ TS RθJA
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 = r ise 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 (µs)
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
© 2004 Littelfuse, Inc. SIDACtor® Data Book and Design Guide
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http://www.littelfuse.com +1 972-580-7777
Data Sheets
3
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