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LTC1921IS8 Datasheet(PDF) 2 Page - Linear Technology |
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LTC1921IS8 Datasheet(HTML) 2 Page - Linear Technology |
2 / 12 page LTC1921 2 1921f ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1) All voltages referred to RTN Supply Voltage (VA, VB, FUSE A, FUSE B) ....................... 100V to –100V Transient Voltage (VA, VB, FUSE A, FUSE B) (Note 2) ........................................................ 0V to 200V Transient Voltage (VA, VB, FUSE A, FUSE B) (Note 2) ...................................................... 0V to –200V OUT A, OUT B, OUT F Pins ......................... 0.3V to – 8V ORDER PART NUMBER LTC1921CMS8 LTC1921IMS8 TJMAX = 150°C, θJA = 300°C/W MS8 PART MARKING LTZV LTZU Consult LTC Marketing for parts specified with wider operating temperature ranges. The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) RTN = 0V, VA = –48V, VB = –48V, FUSE A = –48V, FUSE B = –48V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supply Supply Voltage Range (RTN – VA, RTN – VB) q 10 80 V Supply Current (IA + IB) –160 –250 µA q –300 µA Supply Monitor Undervoltage Threshold q –39.5 –37.5 V Undervoltage Recovery Threshold q –43.5 –42.5 V Overvoltage Threshold q –71.5 –68.5 V Overvoltage Threshold Hysteresis q 1 1.6 V Fuse Monitor Input Resistance, FUSE A, FUSE B 11 M Ω Fuse Comparison Threshold |VFUSEA – VA|, |VFUSEB – VB| V LTC1921C q 0.9 4.5 V LTC1921I q 0.5 4.5 V Output Propagation Delay COUT = 100pF, Overdrive = 1V 220 µs Output Switch Resistance, OUT F, OUT A, OUT B VA = VB = –35V, VFUSEA = VFUSEB = 0V 25 Ω IOUT = 10mA q 50 Ω Maximum Junction Temperature ......................... 150 °C Operating Temperature Range (Note 3) LTC1921C/LTC1921I .......................... – 40 °C to 85°C Specified Temperature Range (Note 4) LTC1921C/LTC1921I .......................... – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C ORDER PART NUMBER LTC1921CS8 LTC1921IS8 S8 PART MARKING 1921 1921I ELECTRICAL CHARACTERISTICS 1 2 3 4 VA FUSE A RTN OUT F 8 7 6 5 VB FUSE B OUT B OUT A TOP VIEW MS8 PACKAGE 8-LEAD PLASTIC MSOP 1 2 3 4 8 7 6 5 TOP VIEW VB FUSE B OUT B OUT A VA FUSE A RTN OUT F S8 PACKAGE 8-LEAD PLASTIC SO TJMAX = 150°C, θJA = 190°C/W |
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