Electronic Components Datasheet Search |
|
LTC3872-1 Datasheet(PDF) 1 Page - Linear Technology |
|
LTC3872-1 Datasheet(HTML) 1 Page - Linear Technology |
1 / 20 page LTC3872-1 1 38721f For more information www.linear.com/LTC3872-1 No RSENSE Current Mode Boost DC/DC Controller High Efficiency 3.3V Input, 5V Output Boost Converter Efficiency and Power Loss vs Load Current LOAD CURRENT (mA) 30 90 100 10 0.001 20 10 80 50 70 60 40 1 100 1000 10000 38721 TA01b 0 10 1 0.1 0.01 Typical applicaTion FeaTures DescripTion applicaTions The LTC®3872-1 is a constant frequency current mode boost DC/DC controller that drives an N-channel power MOSFET and requires very few external components. The No RSENSETM architecture eliminates the need for a sense resistor, improves efficiency and saves board space. The LTC3872-1 provides excellent AC and DC load and line regulation with ±1.5% output voltage accuracy. It incorporates an undervoltage lockout feature that shuts down the device when the input voltage falls below 2.3V. LTC3872-1 has the same functionality as the standard LTC3872 except that it has no frequency foldback in cur- rent limit. High switching frequency of 550kHz allows the use of a small inductor. The LTC3872-1 is available in an 8-lead low profile (1mm) ThinSOTTM package and 8-pin 2mm × 3mm DFN package. L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No RSENSE and ThinSOT are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. n Telecom Power Supplies n 42V Automotive Systems n 24V Industrial Controls n IP Phone Power Supplies n No Current Sense Resistor Required n VOUT up to 60V n Constant Frequency 550kHz Operation n Internal Soft-Start and Optional External Soft-Start n Adjustable Current Limit n Pulse Skipping at Light Load n VIN Range: 2.75V to 9.8V n ±1.5% Voltage Reference Accuracy n Current Mode Operation for Excellent Line and Load Transient Response n Low Profile (1mm) SOT-23 and 2mm × 3mm DFN Packages ITH IPRG GND VFB VIN SW NGATE LTC3872-1 38721 TA01 RUN/SS 17.4k VIN 11k 1% 34.8k 1% 1nF M1 D1 10µF 100µF ×2 1.8nF 47pF 1µH VIN 3.3V VOUT 5V 2A |
Similar Part No. - LTC3872-1_15 |
|
Similar Description - LTC3872-1_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 |