 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
LT1941 Datasheet(PDF) 2 Page - Linear Technology |
|
||||||||||||||||||||||||||||||
LT1941 Datasheet(HTML) 2 Page - Linear Technology |
|
|
2 / 24 page  2 LT1941 1941f 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TOP VIEW FE PACKAGE 28-LEAD PLASTIC TSSOP 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VIN VIN SW1 SW1 BOOST1 PGOOD1 VC1 FB1 PGOOD2 VC2 FB2 RUN/SS1 RUN/SS2 RUN/SS3 BIAS2 SW3 PGND VIN BOOST2 SW2 VIN PGOOD3 FB3 NFB VC3 5GOOD 12GOOD BIAS1 29 ORDER PART NUMBER TJMAX = 125°C, θJA = 25°C/ W EXPOSED PAD (PIN 29) IS GND MUST BE SOLDERED TO PCB The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN, VBIAS1, VBIAS2 = 5V, VBOOST1, VBOOST2 = 8V, unless otherwise noted. (Note 2) (Note 1) VIN Pin ...................................................... (– 0.3V), 25V BOOST Pin Voltage .................................................. 35V BOOST Above SW Pin .............................................. 25V BIAS1, BIAS2 Pins ................................................... 25V PGOOD, 5GOOD, 12GOOD Pins ............................... 25V RUN/SS, VC, FB, NFB Pins .......................................... 3V SW1, SW2 Voltage .................................................... VIN SW3 Voltage ............................................................ 40V Maximum Junction Temperature (Note 6) ............ 125 °C Operating Ambient Temperature Range (Note 2) .................................................. –40 °C to 85°C Storage Temperature Range .................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................... 300 °C LT1941EFE PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Operating Voltage q 3.1 3.5 V VIN Quiescent Current Not Switching 2 3.5 mA BIAS1 Quiescent Current Not Switching 5 7.5 mA BIAS2 Quiescent Current Not Switching 1.6 2.2 mA Shutdown Current VRUNSS1,2,3 = 0V 50 75 µA Reference Voltage Line Regulation 5V < VIN < 25V 0.01 %/V VC Source Current VC = 0.6V 100 µA VC Sink Current VC = 0.6V 100 µA VC Clamp Voltage 1.7 V Switching Frequency q 0.9 1.1 1.35 MHz Switching Phase SW1 to SW2 150 180 210 Deg SW1 to SW3 –30 0 30 Deg Foldback Frequency VFB = 0V 200 kHz RUN/SS Current 123 µA RUN/SS Threshold 0.4 0.6 V 5GOOD Threshold VIN Rising 4.5 V 5GOOD Voltage Output Low I5GOOD = 125µA, VIN = 4V 0.2 0.4 V 5GOOD Leakage V5GOOD = 2V 10 400 nA 12GOOD Threshold VIN Rising 10.8 V ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS Consult LTC Marketing for parts specified with wider operating temperature ranges. |
Similar Part No. - LT1941 |
|
Similar Description - LT1941 |
|
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.NET |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | 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
