 |
Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
|
Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
TPS55386PWP Datasheet(PDF) 4 Page - Texas Instruments |
|
|
||||||||||||||||||||||||||||||
TPS55386PWP Datasheet(HTML) 4 Page - Texas Instruments |
|
|
4 / 46 page  ELECTRICAL CHARACTERISTICS TPS55383 ,, TPS55386 SLUS818 – SEPTEMBER 2008 ......................................................................................................................................................................................... www.ti.com –40°C ≤ TJ ≤ +125°C, VPVDD1 = VPVDD2 = 12 V, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT SUPPLY (PVDD) VPVDD1 Input voltage range 4.5 28 V VPVDD2 IDDSDN Shutdown VEN1 = VEN2 = VPVDD2 70 150 µA IDDQ Quiescent, non-switching VFB = 0.9 V, Outputs OFF 1.8 3.0 mA SW node unloaded; Measured as BP sink IDDSW Quiescent, while-switching 5 current VUVLO Minimum turn-on voltage PVDD2 only 3.8 4.1 4.4 V VUVLO(hys) Hysteresis 400 600 mV CBP = 10 µF, EN1 and EN2 go low tSTART (1) (2) Time from startup to softstart begin 2 ms simultaneously ENABLE (EN) VEN1, VEN2 Enable threshold 0.9 1.2 1.5 V Enable threshold hysteresis(1) 50 mV IEN1. IEN2 Enable pull-up current VEN1 = VEN2 = 0 V 6 12 µA tEN (1) Time from enable to soft-start begin Other EN pin = GND 10 µs BP REGULATOR (BP) BP Regulator voltage 8 V < PVDD2 < 28 V 5 5.25 5.6 V PVDD2 = 4.5 V; switching, no external load on BPLDO Dropout voltage 400 550 mV BP IBP (1) Regulator external load 2 mA IBPS Regulator short circuit 4.5 V < PVDD2 < 28 V 10 20 30 OSCILLATOR TPS55383 255 310 375 fSW Switching frequency kHz TPS55386 510 630 750 tDEAD (1) Clock dead time 140 ns ERROR AMPLIFIER (EA) and VOLTAGE REFERENCE (REF) 0°C < TJ < +85°C 786 800 812 VFB1, VFB2 Feedback input voltage mV –40°C < TJ < +125°C 784 812 IFB1, IFB2 Feedback input bias current 3 50 nA gM1, gM2 (1) Error Amplifier transconductance 220 315 420 µS fp1, fp2 (1) Error Amplifier dominant pole frequency 5 6 kHz ISINK(COMP1), Error Amplifier sink current capability VFB1 = VFB2 = 0.9V, VCOMP = 2 V 15 30 40 µA ISINK(COMP2) ISRC(COMP1), Error Amplifier source current capability VFB1 = VFB2 = 0.7V, VCOMP = 0 V 15 30 40 µA ISRC(COMP2) SOFT START (SS) TSS1, TSS2 Soft start time 1.5 2.1 2.7 ms (1) Ensured by design. Not production tested. (2) When both outputs are started simultaneously, a 20-mA current source charges the BP capacitor. Faster times are possible with a lower BP capacitor value. More information can be found in the Input UVLO and Startup section. 4 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): TPS55383 TPS55386 |
Número de pieza similar - TPS55386PWP |
|
Descripción similar - TPS55386PWP |
|
|
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 |
Spanish ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
