 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
UCC28250RGPT Datasheet(PDF) 3 Page - Texas Instruments |
|
|
||||||||||||||||||||||||||||||
UCC28250RGPT Datasheet(HTML) 3 Page - Texas Instruments |
|
|
3 / 50 page  UCC28250 www.ti.com SLUSA29B – APRIL 2010 – REVISED OCTOBER 2010 RECOMMENDED OPERATING CONDITIONS over operating free-air temperature range (unless otherwise noted) MIN TYP MAX UNIT Supply voltage range, VDD 4.7 12 17 V Supply bypass capacitor, CVDD 1 µF VREF bypass capacitor 0.5 2 Error amplifier input common mode range (REF/EA+, FB/EA-) 0 3.0 V VSENSE input voltage range 0 3.3 RT resistor range 12.5 200 k Ω PS, SP resistor range 5 250 RAMP/CS voltage range 0 2.7 V Operating junction temperature range -40 125 °C ELECTRICAL CHARACTERISTICS (1) VDD = 12 V, 1-µF capacitor from VDD and VREF to GND, TA = TJ = -40°C to 125°C, RT = 75 kΩ connected to ground to set FSW = 200 kHz (unless otherwise noted). PARAMETER TEST CONDITION MIN TYP MAX UNITS Supply Currents IDD(off) Startup current VDD = 3.6 V 150 275 µA IDD Operating supply current 100-pF capacitor on OUTA, OUTB, SRA and SRB 2.0 2.7 3.4 mA IDD(dis) Standby current EN = 0 V 250 425 600 µA Under Voltage Lockout VUVLOR Start threshold 4.0 4.3 4.6 Minimum operating voltage VUVLOF 3.8 4.1 4.4 V after start Hysteresis 0.15 0.20 0.25 Soft Start ISS Soft-start charge current VSS = 0 V 25 27 29 µA VSS(max) Clamp voltage 3.3 3.6 4.0 V Enable(2) Trigger threshold 2.25 V Minimum pulse width for 3 µs pulse enable Error Amplifier High-level COMP voltage 2.8 3 V Low-level COMP voltage 0.3 0.4 Input offset -12 12 mV Open loop gain 70 100 dB ICOMP(snk) COMP sink current 3.0 6.5 9.0 mA ICOMP(src) COMP source current 2.0 4.5 8.0 (1) Typical values for TA = 25°C. (2) Refer to EN pin description. Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): UCC28250 |
Similar Part No. - UCC28250RGPT |
|
Similar Description - UCC28250RGPT |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.COM |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | 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
