Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
TPS24771 Datasheet(PDF) 6 Page - Texas Instruments |
|
|
TPS24771 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 51 page TPS24772 TPS24771 TPS24770 SLVSCZ3 – MARCH 2015 www.ti.com Electrical Characteristics (continued) Unless otherwise noted these limits apply to the following: -40°C < TJ<125°C; 2.5V < VVDD, VOUT < 18V; VENHS = 2 V; VOV = 0 V; VHGATE, VPGHS, VFLTB, and VIMONBUF are floating; CINR = 1nF; CFLT = 1nF; RSET = 44.2 Ω; RIMON = 2.98k Ω; RFSTP = 200 Ω; RPLIM = 52 kΩ. PARAMETER TEST CONDITION MIN TYP MAX UNIT POWER LIMIT PROGRAMING (PLIM) VPLIM,BIAS Bias voltage Sourcing 10 μA 0.65 0.675 0.7 V RPLIM = 52 kΩ; VSENM-OUTH=12V 114.75 135 155.25 RPLIM = 105 kΩ; VSENM-OUTH=12V 56.95 67 77.05 VIMON,PL Regulated IMON voltage during power limit RPLIM = 261 kΩ; VSENM-OUTH=12V 18.9 27 35.1 mV RPLIM = 105 kΩ; VSENM-OUTH=2V 341.7 402 462.3 RPLIM = 105 kΩ; VSENM-OUTH=18V 38.25 45 51.75 SLOW TRIP THRESHOLD (SET) VOS_SET Input referred offset (VSNS to VIMON scaling) –150 150 µV RSET = 44.2Ω; RIMON=3kΩ to 1.2kΩ (VSNS,CL=10mV to 25mV) VGE_SET Gain error (VSNS to VIMON scaling) (1) –0.4% 0.4% FAST TRIP THRESHOLD PROGRAMMING (FSTP) IFSTP FSTP input bias current VFSTP=12V 95 100 105 µA RFSTP = 200 Ω, VSNS when VHGATE ↓ 18 20 22 VFASTRIP Fast trip threshold RFSTP = 1 kΩ, VSNS when VHGATE ↓ 95 100 105 mV RFSTP = 4 kΩ, VSNS when VHGATE ↓ 380 400 420 CURRENT SUMMING NODE (IMON) VIMON,CL Slow trip threshold at summing node VIMON↑, when ITFLT starts sourcing 660 675 690 mV IIMON-LKG IMON leakage current VENHS =0V, VIMON = 1.5V –200 200 nA CURRENT MONITOR (IMONBUF) VOS_IMONBUF Buffer offset VIMON = 50mV to 675mV, Input referred –3 0 3 mV GAINIMONBUF Buffer voltage gain ΔVIMONBUF / ΔVIMON 2.97 2.99 3.01 V BWIMONBUF Buffer closed loop bandwidth CIMONBUF = 75pF 1 MHz Hot Swap GATE DRIVER (HGATE) 5 ≤ VVDD ≤ 16V; measure VHGATE-OUTH 12 13.6 15.5 V VHGATE HGATE output voltage 2.5V <VVDD < 5V; 7 7.95 15 V 16V <VVDD < 20V measure VHGATE-OUTH VHGATEmax Clamp voltage Inject 10 μA into HGATE, measure V(HGATE – OUTH) 12 13.9 15.5 V IHGATEsrc Sourcing current VHGAT-OUTH = 2V-10V 44 55 66 µA IHGATEfastSink Sinking current for fast trip VHGATE-OUTH = 2V–15V; V(FSTP – SENM) = 20mV 0.45 1 1.6 A IHGATEsustSink Sustained sinking current Sustained, VHGATE-OUTH = 2V – 15V; VENHS = 0 30 44 60 mA INRUSH TIMER (TINR) ITINRsrc Sourcing current VTINR = 0V, In power limit or current limit 8 10.25 12.5 µA ITINRsink Sinking current VTINR = 2V, In regular operation 1.5 2 2.5 µA VTINRup Upper threshold voltage Raise VTINR until HGATE starts sinking 1.3 1.35 1.4 V Raise VTINR to 2V. Reduce VTINR until ITINR is VTINRlr Lower threshold voltage 0.33 0.35 0.37 v sourcing. RTINR Bleed down resistance VVDD = 0V, VTINR = 2V 70 104 130 k Ω ITINR-PD Pulldown current VTINR = 2V, when VENHS = 0V 2 4.2 7 mA RETRYCYCLE Cycle number # of timer cycles before retry (TPS24771 only) 64 64 64 TFLT and TINR connected (TPS24771 only) 0.70% RETRYDUTY Retry duty cycle TFLT and TINR not connected (TPS24771 only) 0.35% RPLIM = 52kΩ, VSENM = 12V, VOUTH = 0 V. Raise See Using Soft Start - IHGATE and TINR VIMON,TINR IMON voltage and record IMON when TINR starts 47.75 90 132.25 mV Considerations sourcing current. RPLIM = 52kΩ, VSENM-OUTH = 12V, Raise IMON See Using Soft Start - IHGATE and TINR VIMON,PL voltage and record IMON when IHGATE starts sinking 114.75 135 155.25 mV Considerations current. See Using Soft Start - IHGATE and TINR ΔVIMON,TINR ΔVIMON,TINR = VIMON,PL - VIMON,TINR 23 45 67 mV Considerations (1) Specified by characterization. 6 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Product Folder Links: TPS24772 TPS24771 TPS24770 |
Número de pieza similar - TPS24771 |
|
Descripción similar - TPS24771 |
|
|
Enlace URL |
Política de Privacidad |
ALLDATASHEET.ES |
¿ALLDATASHEET es útil para Ud.? [ DONATE ] |
Todo acerca de Alldatasheet | Publicidad | Contáctenos | Política de Privacidad | Intercambio de Enlaces | Lista de Fabricantes 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 |