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LTC1696 Datasheet(PDF) 2 Page - Linear Technology |
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LTC1696 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 12 page  LTC1696 2 Supply Voltage (VCC) ............................................... 28V Input Voltage FB1, FB2 ............................................... – 0.3V to 17V TIMER/RESET .......................................– 0.3V to 17V Operating Temperature Range (Note 2) .. – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C ORDER PART NUMBER TJMAX = 125°C, θJA = 256°C/W LTC1696ES6 (Note 1) The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. 2.7V ≤ VCC ≤ 27V (Notes 3, 4) unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Supply Voltage Range Operating Range q 2.7 27 V IVCC Standby Supply Current FB1, FB2 < VFB q 170 540 µA Active Supply Current FB1, FB2 > VFB, COUT = 1000pF q 1.1 3.5 mA VFB FB1, FB2 Feedback Threshold Voltage Going Positive TA ≥ 0°C q 0.862 0.880 0.898 V TA < 0°C q 0.853 0.880 0.907 V IFB FB1, FB2 Input Current q –1 – 0.05 µA VFBHST FB1, FB2 Feedback Hysteresis High-to-Low Transition 12 mV VLKO VCC Undervoltage Lockout FB1, FB2 > VFB Low-to-High Transition q 1.75 2.05 2.35 V High-to-Low Transition q 1.64 1.94 2.24 V VLKH VCC Undervoltage Lockout Hysteresis FB1, FB2 > VFB 110 mV VRST TIMER/RESET Reset Low Threshold FB1, FB2 > VFB q 0.78 0.865 0.95 V VTIM TIMER/RESET Timer High Threshold FB1, FB2 > VFB q 1.11 1.185 1.26 V VTRIG TIMER/RESET External Trigger High FB1, FB2 < VFB q 1.35 1.50 1.65 V Threshold ITRIG TIMER/RESET External Trigger High FB1, FB2 < VFB, TIMER/RESET = VTRIG q 260 650 µA Current ITIM TIMER/RESET Timer Current FB1 = (VFB + 30mV), FB2 < VFB q 410 22 µA FB1 = (VFB + 200mV), FB2 < VFB q 512 26 µA FB2 = (VFB + 30mV), FB1 < VFB q 410 22 µA FB2 = (VFB + 200mV), FB1 < VFB q 512 26 µA FB1, FB2 = (VFB + 200mV) q 818 40 µA VOUTH OUT High Voltage 12V ≤ VCC ≤ 27V, FB1, FB2 > VFB, COUT = 1000pF q 4.8 6.3 8.0 V VCC = 3.3V, FB1, FB2 > VFB, COUT = 1000pF q 2.7 3.2 3.3 V VOUTL OUT Low Voltage FB1, FB2 < VFB, ISINK = 1mA, VCC = 3.3V q 0.45 V tOVPD1 OUT Propagation Delay for FB1 FB1 > VFB, FB2 < VFB, TIMER/RESET = Open, q 728 µs COUT = 1000pF tOVPD2 OUT Propagation Delay for FB2 FB2 > VFB, FB1 < VFB, TIMER/RESET = Open, q 728 µs COUT = 1000pF S6 PART MARKING LTLT Consult LTC Marketing for parts specified with wider operating temperature ranges. ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS FB1 1 GND 2 VCC 3 6 5 FB2 4 OUT TOP VIEW TIMER/ RESET S6 PACKAGE 6-LEAD PLASTIC SOT-23 |
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