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U6268B Datasheet(PDF) 8 Page - ATMEL Corporation |
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U6268B Datasheet(HTML) 8 Page - ATMEL Corporation |
8 / 14 page 8 4808B–AUTO–09/05 U6268B 6. Electrical Characteristics T amb = –40°C to +95°C and Tj = –40°C to +150°C, Operation supply-voltage range VS = 5.7V to 18V continuously, VS ≤ 25V for maximum 25 min, VS ≤ 40V for up to 500 ms. The current values are based on R = 750 Ω, 0%-resistor at OCM1/OCM2 pins. Parameters Test Conditions Symbol Min. Typ. Max. Unit Supply Current Tj ≥ 125°C Outputs disabled, V S ≤ 18V I S 8mA Outputs disabled, V S ≤ 40V I S 14 mA One output enabled, V S ≤ 18V I S 13 mA Both outputs enabled, V S ≤ 18V I S 18 mA Output load 2 × 15 mA, V S ≤ 18V I S 56 mA Output load 2 × 28 mA, V S ≤ 18V I S 90 mA Output load 2 × 50 mA, V S ≤ 18V I S 146 mA Output load 2 × 60 mA, V S ≤ 18V (Tj > 125°C) IS 171 mA Both channels OUTx and RETURNx shorted, VS ≤ 18V I S 200 mA Function SC Voltage at SC VS = 5.7V VSC 5.1 5.3 V Voltage at SC VS = 12.5V VSC 99.4 V Maximal voltage at SC VS = 40V VSCmax 30 V SC-discharge current Voltage SC = VSC – 3V 5.7V ≤ V S ≤ 40V I SC_dis 33 82 µA SC-charge current Voltage SC = V SC – 3V 5.7V ≤ V S ≤ 40V ISC_ch –58 –20 µA Function OUT1 and OUT2 (See Figure 3-1 on page 4) Voltage difference, VS to VOUTx IOUTx = 5 to 50 mA 5.7V ≤ V S ≤ 8.5V 12V ≤ V S ≤ 25V Vdiff_low V diff_high 0.3 2.6 0.8 3.6 V V Output voltage OUTx 8.5V ≤ V S ≤ 11.3V V OUT_med 7.7 V Maximal voltage at OUTx V S = 40V V OUT_max 25 30 V Current mirror ratio, IOCMx/IOUTx V S ≤ 40V, IOUTx = 5 to 15 mA VS ≤ 25V, IOUTx = 15 to 50 mA VS ≤ 40V, IOUTx = 15 to 50 mA IOUT_ratio 0.09 0.10 0.097 0.12 0.11 0.11 Linearity of mirror ratio IOCMx/IOUTx Ratio_lin –5 5 % Dynamic resistance OUTx VS ≤ 40V I OUT = 15 to 50 mA ROUT 212 Ω Dynamic resistance OUTx + RETURNx V S ≤ 40V IOUT = 15 to 50 mA RDyn 415 Ω OUTx current limitation (OUTx short to GND) VS ≤ 18V VS ≤ 40V I OUT_lim –80 –105 –60 –60 mA mA Overcurrent detection level Tj < 125°C IOUT_det –70 –51 mA T j ≥ 125°C Always valid: current limitation is higher than overcurrent detection I OUT_det –60 –51 mA Maximum OUTx current (OUTx short to GND) V S = 14V, OCMx shorted to GND I OUT_max –140 –85 mA |
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