 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
LM5145 Datasheet(PDF) 10 Page - Texas Instruments |
|
|
|
|||||||||||||||||||||||||||||
LM5145 Datasheet(HTML) 10 Page - Texas Instruments |
|
|
10 / 69 page  Over the recommended operating junction temperature range of –40°C to 150°C (unless otherwise noted), typical values correspond to TJ = 25℃, VVIN = 12 V, VVCCX = 5 V, VVOUT1 = 3.3 V, VVOUT2 = 5 V, VEN1 = VEN2 = 5 V, RRT = 10 kΩ, FSW = 2.2 MHz, no load on the drive outputs (HO1, HOL1, LO1, LOL1, HO2, HOL2, LO2, and LOL2). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPG-RISE-DLY OV filter time VOUT rising 25 µs tPG-FALL-DLY UV filter time VOUT falling 22 µs HIGH-SIDE GATE DRIVER (HO1, HO2, HOL1, HOL2) VHO-LOW HO low-state output voltage IHO = 100 mA 0.04 V VHO-HIGH HO high-state output voltage IHO = –100 mA, VHO-HIGH = VHB – VHO 0.09 V tHO-RISE HO rise time (10% to 90%) CLOAD = 2.7 nF 24 ns tHO-FALL HO fall time (90% to 10%) CLOAD = 2.7 nF 24 ns IHO-SRC HO peak source current VHO = VSW = 0 V, VHB = 5 V, VVCCX = 5 V 3.25 A IHO-SINK HO peak sink current VVCCX = 5 V 4.25 A VBT-UV BOOT UVLO VVCC falling 2.45 V VBT-UV-HYS BOOT UVLO hysteresis 113 mV IBOOT BOOT quiescent current 1.25 µA LOW-SIDE GATE DRIVER (LO1, LO2, LOL1, LOL2) VLO-LOW LO low-state output voltage ILO = 100 mA 0.04 V VLO-HIGH LO high-state output voltage ILO = –100 mA 0.07 V tLO-RISE LO rise time (10% to 90%) CLOAD = 2.7 nF 4 ns tLO-FALL LO fall time (90% to 10%) CLOAD = 2.7 nF 3 ns ILO-SOURCE LO peak source current VHO = VSW = 0 V, VHB = 5 V, VVCCX = 5 V 3.25 A ILO-SINK LO peak sink current VVCCX = 5 V 4.25 A RESTART (RES) IRES-SRC RES current source 20 µA VRES-TH RES threshold 1.2 V HICCYCLES HICCUP mode fault 512 cycles RRES-PD RES pulldown resistance 5.7 Ω OUTPUT VOLTAGE SETPOINT (VOUT1, VOUT2) VOUT33 3.3-V output voltage setpoint FB = VDDA, VIN = 3.5 V to 65 V 3.267 3.3 3.335 V VOUT50 5-V output voltage setpoint FB = AGND, VIN = 5.5 V to 65 V 4.95 5 5.05 V FEEDBACK (FB1, FB2) VFB-3V3-SEL VOUT select threshold 3.3-V output 4.6 V RFB-5V Resistance FB to AGND for 5-V output VMODE = 0 V or RMODE = 10 kΩ 500 Ω RFB-EXTRES Thevenin equivelent resistance VMODE = 0 V or RMODE = 10 kΩ, VFB < 2 V 5 kΩ VFB2-LOW Primary mode select logic level low MODE = VDDA 0.8 V VFB2-HIGH Primary mode select logic level high MODE = VDDA 2 V VFB1-LOW Diode emulation logic level low in secondary mode MODE = FB2 = VDDA 0.8 V VFB1-HIGH FPWM logic level high in secondary mode MODE = FB2 = VDDA 2 V VFB-REG Regulated feedback voltage TJ = –40°C to 125°C 0.594 0.6 0.606 V ERROR AMPLIFIER (COMP1, COMP2) gm1 EA transconductance FB to COMP, RMODE < 5 kΩ to AGND 1020 1200 µs gm2 EA transconductance, ultra-low IQ mode MODE = GND, RMODE = 10 kΩ 65 µs IFB Error amplifier input bias current 30 nA VCOMP-CLMP COMP clamp voltage VFB = 0 V 3.3 V LM25143 SNVSC10 – MARCH 2022 www.ti.com 10 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: LM25143 |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | 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
