Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

ZXSC400E6TA Datasheet(PDF) 6 Page - Diodes Incorporated

Part # ZXSC400E6TA
Description  LED DRIVER BOOST CONVERTER
Download  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

ZXSC400E6TA Datasheet(HTML) 6 Page - Diodes Incorporated

Back Button ZXSC400E6TA Datasheet HTML 2Page - Diodes Incorporated ZXSC400E6TA Datasheet HTML 3Page - Diodes Incorporated ZXSC400E6TA Datasheet HTML 4Page - Diodes Incorporated ZXSC400E6TA Datasheet HTML 5Page - Diodes Incorporated ZXSC400E6TA Datasheet HTML 6Page - Diodes Incorporated ZXSC400E6TA Datasheet HTML 7Page - Diodes Incorporated ZXSC400E6TA Datasheet HTML 8Page - Diodes Incorporated ZXSC400E6TA Datasheet HTML 9Page - Diodes Incorporated ZXSC400E6TA Datasheet HTML 10Page - Diodes Incorporated Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 16 page
background image
Peak current definition
In general, the IPK value must be chosen to ensure that
the switching transistor, Q1, is in full saturation with
maximum output power conditions, assuming
worse-case input voltage and transistor gain under all
operating temperature extremes.
Once IPK is decided the value of RSENSE can be
determined by:
R
V
I
SENSE
SENSE
PK
=
Sense Resistor
A low value sense resistor is required to set the peak
current. Power in this resistor is negligible due to the
low sense voltage threshold, VISENSE. At the bottom of
the page there is a table of recommended sense
resistors.
Output power calculation
By making the above assumptions for inductance and
peak current the output power can be determined by:
POUT =IAV x VIN x
(Watts)
where
I
I
2
(T
T
)
(T
T
)
AV
PK
ON
DIS
ON
OFF
+
+
and
T
IL
V
ON
PK
IN
=
×
and
T
IL
(V
V )
DIS
PK
LED
IN
=
×
and
TOFF ≅ 1.7 s (internally set by ZXSC400)
and
= efficiency e.g. 100% = 1
Operating frequency can be derived by:
F
1
TT
ON
OFF
=
+
Programming LED current
Once the required output power is determined, the LED
current can be programmed by adding a single resistor
in the LED chain. The resistor value is determined by
the following:
I
V
R
LED
FB
LED
=
Where VFB = 300mV
RLED selection table
Shutdown Control
The ZXSC400 offers a shutdown mode that consumes
a standby current of less than 5 A. When the voltage at
the STDN pin between 1V and 8V (and also open circuit),
the ZXSC400 is enabled and the driver is in normal
operation. When the voltage at the STDN pin is 0.7V or
lower, the ZXSC400 is disabled and the driver is in
shutdown mode. The SHDN input is a high impedance
current source of 1 A typ. The driving device can be an
open collector or an open drain or a logic output with a
“High“ voltage of 5V max. The device shutdown
current depends of the supply voltage, see typical
characteristics graph
ZXSC400
ISSUE 1 - JANUARY 2003
6
Manufacture
Series
R
DC(
) Range
Size
Tolerance
URL
Cyntec
RL1220
0.022 - 10
0805
±5%
www.cyntec.com
IRC
LR1206
0.010 - 1.0
1206
±5%
www.irctt.com
I
LED
R
LED
40mA
7.5
30mA
10
20mA
15
15mA
20
10mA
30


Similar Part No. - ZXSC400E6TA

ManufacturerPart #DatasheetDescription
logo
Zetex Semiconductors
ZXSC400E6TA ZETEX-ZXSC400E6TA Datasheet
195Kb / 16P
   LED DRIVER BOOST CONVERTER
More results

Similar Description - ZXSC400E6TA

ManufacturerPart #DatasheetDescription
logo
Zetex Semiconductors
ZXSC400 ZETEX-ZXSC400 Datasheet
195Kb / 16P
   LED DRIVER BOOST CONVERTER
logo
Catalyst Semiconductor
CAT37 CATALYST-CAT37 Datasheet
168Kb / 13P
   CMOS White LED Driver Boost Converter
CAT37 CATALYST-CAT37_05 Datasheet
557Kb / 12P
   CMOS White LED Driver Boost Converter
logo
ON Semiconductor
CAT37 ONSEMI-CAT37 Datasheet
149Kb / 11P
   CMOS White LED Driver Boost Converter
February, 2010 ??Rev. 21
logo
Catalyst Semiconductor
CAT4137 CATALYST-CAT4137 Datasheet
302Kb / 14P
   CMOS Boost Converter - White LED Driver
logo
ON Semiconductor
CAT37TDI-T3 ONSEMI-CAT37TDI-T3 Datasheet
187Kb / 13P
   CMOS White LED Driver Boost Converter
Doc. No. MD-5005 Rev. V
CAT4137TD-T3 ONSEMI-CAT4137TD-T3 Datasheet
251Kb / 16P
   CMOS Boost Converter - White LED Driver
Doc. No. MD-5012 Rev. C
CAT4137 ONSEMI-CAT4137_11 Datasheet
170Kb / 15P
   CMOS Boost Converter - White LED Driver
November, 2011 ??Rev. 3
CAT4137 ONSEMI-CAT4137 Datasheet
179Kb / 16P
   CMOS Boost Converter - White LED Driver
February, 2010 ??Rev. 2
logo
Texas Instruments
CAT37 TI-CAT37_08 Datasheet
248Kb / 13P
[Old version datasheet]   CMOS White LED Driver Boost Converter
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16


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
Family Site : ic2ic.com  |   icmetro.com