Electronic Components Datasheet Search |
|
LTC3880 Datasheet(PDF) 5 Page - Linear Technology |
|
LTC3880 Datasheet(HTML) 5 Page - Linear Technology |
5 / 116 page LTC3880/LTC3880-1 5 3880fd For more information www.linear.com/LTC3880 ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C. (Note 2) VIN = 12V, VRUN0,1 = 3.3V, fSYNC = 500kHz (externally driven) unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Voltage VIN Input Voltage Range (Note 12) l 4.5 24 V IQ Input Voltage Supply Current Normal Operation (Note 14) VRUN0,1 = 3.3V, No Caps on TG and BG VRUN0,1 = 0V 25 20 mA mA VUVLO Undervoltage Lockout Threshold when VIN > 4.3V VINTVCC/VEXTVCC Falling VINTVCC/VEXTVCC Rising 3.7 3.95 V V tINIT Initialization Time Time from VIN Applied Until the TON_DELAY Timer Starts 145 ms Control Loop VOUT1R0 Full-Scale Voltage Range 0 Set Point Accuracy (0.6V to 5V) Resolution LSB Step Size VOUT_COMMAND(1) = 5.500V (Note 9) l l 5.4 –0.5 12 1.375 5.6 0.5 V % Bits mV VOUT1R1 Full-Scale Voltage Range 1 Set Point Accuracy (0.6V to 2.5V) Resolution LSB Step Size VOUT_COMMAND(1) = 2.75V (Note 9) l l 2.7 –0.5 12 0.6875 2.8 0.5 V % Bits mV VOUT0R0 Full-Scale Voltage Range 0 Set Point Accuracy (0.6V to 4.096V) Resolution LSB Step Size VOUT_COMMAND(0) = 4.095V (Note 9) l l 4.0 –0.5 12 1.375 4.2 0.5 V % Bits mV VOUT0R1 Full-Scale Voltage Range 1 Set Point Accuracy (0.6V to 2.5V) Resolution LSB Step Size VOUT_COMMAND(0) = 2.75V (Note 9) l l 2.7 –0.5 12 0.6875 2.8 0.5 V % Bits mV VLINEREG Line Regulation 6V < VIN < 24V l ±0.02 %/V VLOADREG Load Regulation ∆VITH = 1.35V – 0.7V ∆VITH = 1.35V – 2.0V l l 0.01 –0.01 0.1 –0.1 % % gm0,1 Error Amplifier gm ITH0,1 =1.22V 3 mmho IISENSE0,1 Input Current VISENSE = 5.5V l ±1 ±3 µA VSENSERIN0 VSENSE Input Resistance to Ground 0V ≤ VPIN ≤ 5.5V 41 kΩ VSENSERIN1 VSENSE Input Resistance to Ground 0V ≤ VPIN ≤ 5.5V 37 kΩ VIlLIMIT Resolution 3 bits VILIMMAX Hi Range Lo Range l l 68 44 75 50 82 56 mV mV VILMMIN Hi Range Lo Range 37.5 25 mV mV Gate Drivers TG0,1 tr tf TG Transition Time: Rise Time Fall Time (Note 4) CLOAD = 3300pF CLOAD = 3300pF 30 30 ns ns BG0,1 tr tf BG Transition Time: Rise Time Fall Time (Note 4) CLOAD = 3300pF CLOAD = 3300pF 30 30 ns ns TG/BG t1D Top Gate Off to Bottom Gate On Delay Time (Note 4) CLOAD = 3300pF Each Driver 30 ns BG/TG t2D Bottom Gate Off to Top Gate On Delay Time (Note 4) CLOAD = 3300pF Each Driver 30 ns tON(MIN) Minimum On-Time 90 ns |
Similar Part No. - LTC3880_15 |
|
Similar Description - LTC3880_15 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |