 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
LTC3866 Datasheet(PDF) 3 Page - Linear Technology |
|
||||||||||||||||||||||||||||||
LTC3866 Datasheet(HTML) 3 Page - Linear Technology |
|
|
3 / 22 page  LTC3874-1 3 38741f For more information www.linear/LTC3874-1 elecTrical characTerisTics SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Input Voltage Range 4.5 38 V VOUT Output Voltage Range LOWDCR = INTVCC (Note 3) LOWDCR = 0V 3.5 5.5 V V IQ Input DC Supply Current Normal Operation Shutdown VRUN0,1 = 3.3V VRUN0,1 = 0V 4.6 1.8 mA mA VUVLO Undervoltage Lockout Threshold VINTVCC Falling VINTVCC Rising 3.5 3.8 V V Control Loop IISENSE0,1 ISENSE Pins Bias Current VISENSE0,1 < (VINTVCC – 3.3V) VISENSE0,1 > (VINTVCC – 3.3V) l ±0.15 ±1 ±0.4 ±3 µA µA VISENSE(MAX) Maximum Current Sense Threshold (Table 3) ILIM = INTVCC, LOWDCR = INTVCC, VISENSE0,1 = 1.2V, VITH = 2.18V l 26.8 28.8 30.8 mV ILIM = 0V, LOWDCR = INTVCC, VISENSE0,1 = 1.2V, VITH = 2.18V l 14.5 16 17.5 mV ILIM = INTVCC, LOWDCR = 0V, VISENSE0,1 = 1.2V, VITH = 2.18V l 65 72 79 mV ILIM = 0V, LOWDCR = 0V, VISENSE0,1 = 1.2V, VITH = 2.18V l 33 40 47 mV PWM Outputs PWM PWM Output High Voltage PWM Output Low Voltage PWM Output Current in Hi-Z State ILOAD = 500µA ILOAD = –500µA l l VCC – 0.2 –5 0.2 5 V V µA tON(MIN) Minimum On-Time (Note 4) 60 ns INTVCC Regulator VINTVCC Internal VCC Voltage No Load 6V < VIN < 38V 5.25 5.5 5.75 V VLDO INT INTVCC Load Regulation ICC = 0mA to 20mA 0.5 2 % VEXTVCC EXTVCC Switchover Voltage VEXTVCC Ramping Positive (Note 5) l 4.5 4.7 V VLDO EXT EXTVCC Voltage Drop ICC = 20mA, VEXTVCC = 5V 50 100 mV VLDOHYS EXTVCC Hysteresis 300 mV Oscillator and Phase-Locked Loop fRANGE PLL SYNC Range l 250 1000 kHz fNOM Nominal Frequency VFREQ = 0.9V 500 kHz IFREQ Frequency Setting Current 9 10 11 µA θ SYNC- θ0 SYNC to Ch0 Phase Relationship Based on the Falling Edge of SYNC and Rising Edge of PWM0 PHASMD = 0 PHASMD = 1/3 • INTVCC PHASMD = 2/3 • INTVCC PHASMD = INTVCC 180 60 120 90 Deg Deg Deg Deg θ SYNC- θ1 SYNC to Ch1 Phase Relationship Based on the Falling Edge of SYNC and Rising Edge of PWM1 PHASMD = 0 PHASMD = 1/3 • INTVCC PHASMD = 2/3 • INTVCC PHASMD = INTVCC 0 300 240 270 Deg Deg Deg Deg Digital Inputs RUN0, RUN1, MODE0, MODE1, FAULT0, FAULT1, LOWDCR VIH Input High Threshold Voltage l 2.0 V VIL Input Low Threshold Voltage l 1.4 V 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 unless otherwise specified. |
Similar Part No. - LTC3866 |
|
Similar Description - LTC3866 |
|
|
|
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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
