Electronic Components Datasheet Search |
|
TPS65250RHAR Datasheet(PDF) 8 Page - Texas Instruments |
|
|
TPS65250RHAR Datasheet(HTML) 8 Page - Texas Instruments |
8 / 36 page TPS65250 SLVSAA3 – JUNE 2010 www.ti.com ELECTRICAL CHARACTERISTICS (continued) VIN = 12 V ±5%, VINB2, VINB3 = 5 V ±5%, TJ = –40°C to 125°C, fSW = 1 MHz (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VSYNCH External clock threshold high V3p3 = 3.3 V 1.55 V VSYNCL External clock treshold Low V3p3 = 3.3 V 1.24 V SYNCRANGE Synchronization range 0.2 2.2 MHz SYNCCLK_MIN Sync signal minimum duty cycle 40 % SYNCCLK_MAX Sync signal maximum duty cycle 60 % VIHLOW_P Low power mode threshold high V3p3 = 3.3 V 1.55 V VILLOW_P Low power mode treshold Low V3p3 = 3.3 V 1.24 V FEEDBACK, REGULATION, OUTPUT STAGE VIN = 12 V , TJ = 25°C -1% 0.8 1% VFB Feedback voltage V VIN = 4.5 to 18V -2% 0.8 2% D Duty cycle range 5 95 % Line regulation - DC VINB = 4.5 V to 18 V, VLINEREG 0.5 %/V ∆VOUT/∆VINB IOUT = 1000 mA Load regulation - DC IOUT = 10 % - 90% VLOADREG 0.5 %/A ∆VOUT/∆IOUT IOUT,MAX COUT Output capacitance Recommended fSW = 1.14 MHz 10 22 µF L Nominal Inductance Recommended fSW = 1.14 MHz 4.7 µH RDS_ON_HI_BUCK1 Turn-On resistance high side Buck1 VIN = 12 V, TJ = 25°C 95 m Ω RDS_ON_LO_BUCK1 Turn-On resistance low side Buck1 VIN = 12 V, TJ = 25°C 50 m Ω Turn-On resistance high side Buck2 RDS_ON_HI_BUCK23 VIN = 12 V, TJ = 25°C 120 m Ω and 3 Turn-On resistance low side Buck2 RDS_ON_LO_BUCK23 VIN = 12 V, TJ = 25°C 80 m Ω and 3 Transient VOUT variation during load ∆I = 1 A in ∆t =1 µs, VUTTOLTRAN 1 1.5 % transient measured at feedback point CLOAD = 22 µF, ceramic Transient VOUT variation during load I = 0.75 A in ∆t = 1 µs, VUTTOLTRAN 2 1.5 % transient measured at feedback point CLOAD = 22 µF, ceramic Transient VOUT variation during load I = 0.75 A in ∆t = 1 µs, VUTTOLTRAN 3 1.5 % transient measured at feedback point CLOAD = 22 µF, ceramic ILIMIT1 Peak inductor current limit range 1 4 A ILIMIT2 Peak inductor current limit range 1 3 A ILIMIT3 Peak inductor current limit range 1 3 A POWER GOOD RESET GENERATOR Output falling (device will be 85 disabled after tON_HICCUP ) Threshold voltage for buck under VUVBUCKX % voltage Output rising (PG will be 90 asserted) tUV_deglitch Deglitch time (both edges) Each buck 11 ms tON_HICCUP Hiccup mode ON time VUVBUCKX asserted 12 ms All converters disabled. Once tOFF_HICCUP elapses, all tOFF_HICCUP Hiccup mode OFF time 20 ms converters will go through sequencing again. Output rising (high side fet will 109 be forced off) Threshold voltage for buck over VOVBUCKX % voltage Output falling (high side fet will 107 be allowed to switch ) Measured after the later of tRP minimum reset period Buck1 or Buck 3 power-up 1000 ms successfully 8 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TPS65250 |
Similar Part No. - TPS65250RHAR |
|
Similar Description - TPS65250RHAR |
|
|
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 |