 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
UCC28950PWR Datasheet(PDF) 4 Page - Texas Instruments |
|
|
||||||||||||||||||||||||||||||
UCC28950PWR Datasheet(HTML) 4 Page - Texas Instruments |
|
|
4 / 45 page  UCC28950 SLUSA16A – MARCH 2010 – REVISED JULY 2010 www.ti.com ELECTRICAL CHARACTERISTICS (1) (continued) VDD = 12 V, TA = TJ = -40°C to 125°C, CVDD = 1 µF, CREF = 1 µF, RAB = 22.6 kΩ, RCD = 22.6 kΩ , REF = 13.3 kΩ, RSUM = 124 k Ω, RMIN = 88.7 kΩ, RT = 59 kΩ connected between RT pin and 5-V voltage supply to set FSW = 100 kHz (FOSC = 200 kHz) (unless otherwise noted). All component designations are from the Typical Application Diagram. PARAMETER TEST CONDITION MIN TYP MAX UNITS Error Amplifier VICM range ensures parameters, the functionality Common mode input voltage VICM ensured for 3.6 V < VICM < VREF + 0.4 V, and -0.4 0.5 3.6 V range V < VICM < 0.5 V VIO Offset voltage - 7 7 mV IBIAS Input bias current -1 1 µA EAHIGH High-level output voltage (EA+) - (EA-) = 500 mV, IEAOUT = -0.5 mA 3.9 4.25 V EALOW Low-level output voltage (EA+) - (EA-) = -500 mV, IEAOUT = 0.5 mA 0.25 0.35 ISOURCE Error amplifier source current -8 -3.75 -0.5 mA ISINK Error amplifier sink current 2.7 4.6 5.75 IVOL Open-loop dc gain 100 dB GBW Unity gain bandwidth(2) 3 MHz Cycle-by-Cycle Current Limit CS pin cycle-by-cycle VCS_LIM 1.94 2 2.06 V threshold Propagation delay from CS to Input pulse between CS and GND from zero to 2.5 TCS 100 ns OUTC and OUTD outputs V Internal Hiccup Mode Settings Discharge current to set IDS cycle-by-cycle current limit CS = 2.5 V, VSS = 4 V 15 20 25 µA duration VHCC Hiccup OFF Time threshold 3.2 3.6 4.2 V Discharge current to set IHCC 1.90 2.55 3.2 µA Hiccup Mode OFF Time Soft Start/Enable ISS Charge current VSS = 0 V 20 25 30 µA Shutdown/restart/reset VSS_STD 0.25 0.50 0.70 threshold V VSS_PU Pull up threshold 3.3 3.7 4.3 VSS_CL Clamp voltage 4.20 4.65 4.95 (2) Verified during characterization only. 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): UCC28950 |
Similar Part No. - UCC28950PWR |
|
Similar Description - UCC28950PWR |
|
|
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
