Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

UCC28250 Datasheet(PDF) 3 Page - Texas Instruments

Click here to check the latest version.
Part No. UCC28250
Description  Advanced PWM Controller With Pre-Bias Operation
Download  50 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCC28250 Datasheet(HTML) 3 Page - Texas Instruments

  UCC28250 Datasheet HTML 1Page - Texas Instruments UCC28250 Datasheet HTML 2Page - Texas Instruments UCC28250 Datasheet HTML 3Page - Texas Instruments UCC28250 Datasheet HTML 4Page - Texas Instruments UCC28250 Datasheet HTML 5Page - Texas Instruments UCC28250 Datasheet HTML 6Page - Texas Instruments UCC28250 Datasheet HTML 7Page - Texas Instruments UCC28250 Datasheet HTML 8Page - Texas Instruments UCC28250 Datasheet HTML 9Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 3 / 50 page
background image
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. - UCC28250

ManufacturerPart No.DatasheetDescription
Texas Instruments
Texas Instruments
UCC28250 TI-UCC28250 Datasheet
758Kb / 48P
[Old version datasheet]   Advanced PWM Controller With Pre-Bias Operation
UCC28250PW TI-UCC28250PW Datasheet
758Kb / 48P
[Old version datasheet]   Advanced PWM Controller With Pre-Bias Operation
UCC28250PW TI1-UCC28250PW Datasheet
980Kb / 53P
[Old version datasheet]   Advanced PWM Controller With Pre-Bias Operation
UCC28250PWR TI-UCC28250PWR Datasheet
758Kb / 48P
[Old version datasheet]   Advanced PWM Controller With Pre-Bias Operation
UCC28250PWR TI1-UCC28250PWR Datasheet
980Kb / 53P
[Old version datasheet]   Advanced PWM Controller With Pre-Bias Operation
More results

Similar Description - UCC28250

ManufacturerPart No.DatasheetDescription
Texas Instruments
Texas Instruments
UCC28250 TI1-UCC28250_12 Datasheet
980Kb / 53P
[Old version datasheet]   Advanced PWM Controller With Pre-Bias Operation
UCC28250 TI-UCC28250_15 Datasheet
997Kb / 54P
[Old version datasheet]   Advanced PWM Controller With Pre-Bias Operation
UCC28250 TI-UCC28250_10 Datasheet
758Kb / 48P
[Old version datasheet]   Advanced PWM Controller With Pre-Bias Operation
UCC28251 TI1-UCC28251 Datasheet
902Kb / 54P
[Old version datasheet]   Advanced PWM Controller With Pre-Bias Operation
UCC28251 TI1-UCC28251_16 Datasheet
1Mb / 55P
[Old version datasheet]   Advanced PWM Controller With Prebias Operation
UCC28251 TI-UCC28251_15 Datasheet
1Mb / 55P
[Old version datasheet]   UCC28251 Advanced PWM Controller With Prebias Operation
Microsemi Corporation
Microsemi Corporation
LX1660 MICROSEMI-LX1660 Datasheet
323Kb / 15P
   ADVANCED PWM CONTROLLER
International Rectifier
International Rectifier
IR3621 IRF-IR3621 Datasheet
375Kb / 29P
   2-PHASE / DUAL SYNCHRONOUS PWM CONTROLLER WITH OSCILLATOR SYNCHRONIZATION AND PRE-BIAS STARTUP
Texas Instruments
Texas Instruments
UC1638 TI1-UC1638_13 Datasheet
4Mb / 16P
[Old version datasheet]   Advanced PWM Motor Controller
Anpec Electronics Coropration
Anpec Electronics Corop...
APW7016 ANPEC-APW7016 Datasheet
114Kb / 11P
   Advanced PWM Power Controller
More results


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49  50 


Datasheet Download

Go To PDF Page


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


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
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