 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
TPS40077 Datasheet(PDF) 5 Page - Texas Instruments |
|
|
||||||||||||||||||||||||||||||
TPS40077 Datasheet(HTML) 5 Page - Texas Instruments |
|
|
5 / 42 page  www.ti.com TPS40077 SLUS714 – JANUARY 2007 ELECTRICAL CHARACTERISTICS (continued) T A = –40°C to 85°C, VIN = 12 Vdc, RT = 90.9 kΩ, IKFF = 300 µA, fSW = 500 kHz, all parameters at zero power dissipation (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SHORT-CIRCUIT CURRENT PROTECTION IILIM Current sink into current limit 80 105 125 µA VILIM(ofst) Current limit offset voltage (VSW – VILIM) VILIM = 11.5 V, VVDD = 12 V –75 –50 –30 mV tHSC Minimum HDRV pulse duration During short circuit 135 225 ns Propagation delay to output (2) 50 ns tBLANK Blanking time(2) 50 ns tOFF Off time during a fault (SS cycle times) 7 cycles Switching level to end precondition (VVDD – VSW 2 V VSW)(2) tPC Precondition time(2) 100 ns VILIM Current limit precondition voltage threshold(2) 6.8 V OUTPUT DRIVERS tHFALL High-side driver fall time (HDRV – SW)(2) 36 ns CHDRV = 2200 pF tHRISE High-side driver rise time (HDRV – SW)(2) 48 ns tHFALL High-side driver fall time (HDRV – SW)(2) 72 ns CHDRV = 2200 pF, VVDD = 4.5 V, 0.2 V ≤ VSS ≤ 4 V tHRISE High-side driver rise time (HDRV – SW)(2) 96 ns tLFALL Low-side driver fall time(2) 24 ns CLDRV = 2200 pF tLRISE Low-side driver rise time(2) 48 ns tLFALL Low-side driver fall time(2) 48 ns CLDRV = 2200 pF, VVDD = 4.5 V, 0.2 V ≤ V SS ≤ 4 V tLRISE Low-side driver rise time(2) 96 ns IHDRV = –0.01 A 0.7 1 High-level output voltage, HDRV (VBOOST – VOH V VHDRV) IHDRV = –0.1 A 0.95 1.3 IHDRV = 0.01A 0.06 0.1 VOL Low-level output voltage, HDRV (VHDRV – VSW) V IHDRV = 0.1 A 0.65 1 ILDRV= –0.01A 0.65 1 High-level output voltage, LDRV (VDBP – VOH V VLDRV) ILDRV = –0.1 A 0.875 1.2 ILDRV = 0.01 A 0.03 0.05 VOL Low-level output voltage, LDRV V ILDRV = 0.1 A 0.3 0.5 BOOST REGULATOR VBOOST Output voltage VDD = 12 V 15.2 17 V UVLO VUVLO Programmable UVLO threshold voltage RKFF = 90.9 kΩ, turn-on, VVDD rising 6.2 7.2 8.2 Programmable UVLO hysteresis RKFF = 90.9 kΩ 1.1 1.55 2 V Fixed UVLO threshold voltage Turn-on, VVDD rising 4.15 4.3 4.45 Fixed UVLO hysteresis 275 365 mV POWER GOOD VPG Power-good voltage IPG = 1 mA 370 500 VOH High-level output voltage, FB 770 mV VOL Low-level output voltage, FB 630 THERMAL SHUTDOWN Shutdown temperature threshold(2) 165 °C Hysteresis(2) 15 (2) Assured by design. Not production tested. 5 Submit Documentation Feedback |
Similar Part No. - TPS40077 |
|
Similar Description - TPS40077 |
|
|
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
