Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

CAT3644 Datasheet(PDF) 2 Page - Catalyst Semiconductor

Part # CAT3644
Description  4-Channel Ultra High Efficiency Quad-Mode TM LED Driver
Download  14 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT3644 Datasheet(HTML) 2 Page - Catalyst Semiconductor

  CAT3644 Datasheet HTML 1Page - Catalyst Semiconductor CAT3644 Datasheet HTML 2Page - Catalyst Semiconductor CAT3644 Datasheet HTML 3Page - Catalyst Semiconductor CAT3644 Datasheet HTML 4Page - Catalyst Semiconductor CAT3644 Datasheet HTML 5Page - Catalyst Semiconductor CAT3644 Datasheet HTML 6Page - Catalyst Semiconductor CAT3644 Datasheet HTML 7Page - Catalyst Semiconductor CAT3644 Datasheet HTML 8Page - Catalyst Semiconductor CAT3644 Datasheet HTML 9Page - Catalyst Semiconductor Next Button
Zoom Inzoom in Zoom Outzoom out
 2 / 14 page
background image
CAT3644
Doc. No. 5023, Rev. B
2
© 2007 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
VIN, LEDx, C1±, C2± voltage
6
V
VOUT voltage
7
V
EN/DIM voltage
6
V
Storage Temperature Range
-65 to +160
°C
Junction Temperature Range
-40 to +125
°C
Lead Temperature
300
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
Rating
Unit
VIN
2.5 to 5.5
V
Ambient Temperature Range
-40 to +85
°C
ILED per LED pin
0 to 25
mA
Total Output Current
0 to 100
mA
LED Forward Voltage Range
1.3 to 4.3
V
Typical application circuit with external components is shown on page 1.
ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless specified otherwise) VIN = 3.6V, EN = High, TAMB = 25°C
Symbol
Name
Conditions
Min
Typ
Max
Units
IQ
Quiescent Current
1x mode, no load
1.33 x mode, no load
1.5x mode, no load
2x mode, no load
1.0
1.7
2.2
2.4
mA
mA
mA
mA
IQSHDN
Shutdown Current
VEN = 0V
1
µA
ILED-ACC
LED Current Accuracy
ILEDAVG / ILEDAVG-NOMINAL
±2
%
ILED-DEV
LED Channel Matching
(ILED - ILEDAVG) / ILEDAVG
±1.5
%
VRSET
RSET Regulated Voltage
0.58
0.6
0.62
V
ROUT
Output Resistance (open loop)
1x mode
1.33x mode, VIN = 3V
1.5x mode, VIN = 2.7V
2x mode, VIN = 2.4V
0.8
5
5
10
FOSC
Charge Pump Frequency
1.33x and 2x mode
1.5x mode
0.8
1
1
1.3
1.3
1.6
MHz
MHz
ISC_MAX
Output short circuit Current Limit
VOUT < 0.5V
50
mA
IIN_MAX
Input Current Limit
VOUT > 1V
250
mA
LEDTH
1x to 1.33x or 1.33x to 1.5x or 1.5x to 2x
Transition Thresholds at any LED pin
130
mV
VHYS
1x Mode Transition Hysteresis
400
mV
TDF
Transition Filter Delay
500
µs
REN/DIM
VHI
VLO
EN/DIM Pin
• Internal Pull-down Resistor
• Logic High Level
• Logic Low Level
1.3
100
0.4
kΩ
V
V
TSD
Thermal Shutdown
150
°C
THYS
Thermal Hysteresis
20
°C
VUVLO
Undervoltage lockout (UVLO) threshold
1.6
1.8
2.0
V


Similar Part No. - CAT3644

ManufacturerPart #DatasheetDescription
logo
Catalyst Semiconductor
CAT3644 CATALYST-CAT3644 Datasheet
312Kb / 14P
   4-Channel Ultra High Efficiency Quad-Mode??LED Driver
logo
ON Semiconductor
CAT3644 ONSEMI-CAT3644 Datasheet
191Kb / 14P
   4-Channel Ultra High Efficiency Quad-Mode LED Driver
April, 2010 ??Rev. 6
logo
Catalyst Semiconductor
CAT3644HV3-GT2 CATALYST-CAT3644HV3-GT2 Datasheet
312Kb / 14P
   4-Channel Ultra High Efficiency Quad-Mode??LED Driver
logo
ON Semiconductor
CAT3644HV3-GT2 ONSEMI-CAT3644HV3-GT2 Datasheet
191Kb / 14P
   4-Channel Ultra High Efficiency Quad-Mode LED Driver
April, 2010 ??Rev. 6
logo
Catalyst Semiconductor
CAT3644HV3-T2 CATALYST-CAT3644HV3-T2 Datasheet
312Kb / 14P
   4-Channel Ultra High Efficiency Quad-Mode??LED Driver
More results

Similar Description - CAT3644

ManufacturerPart #DatasheetDescription
logo
Catalyst Semiconductor
CAT3643 CATALYST-CAT3643 Datasheet
317Kb / 17P
   3-Channel Ultra High Efficiency Quad-Mode TM LED Driver
logo
ON Semiconductor
CAT3644 ONSEMI-CAT3644 Datasheet
191Kb / 14P
   4-Channel Ultra High Efficiency Quad-Mode LED Driver
April, 2010 ??Rev. 6
logo
Catalyst Semiconductor
CAT3644_0710 CATALYST-CAT3644_0710 Datasheet
312Kb / 14P
   4-Channel Ultra High Efficiency Quad-Mode??LED Driver
logo
ON Semiconductor
CAT3643 ONSEMI-CAT3643 Datasheet
214Kb / 15P
   3-Channel Ultra High Efficiency Quad-Mode LED Driver
May, 2010 ??Rev. 6
logo
Catalyst Semiconductor
CAT3643_0710 CATALYST-CAT3643_0710 Datasheet
328Kb / 17P
   3-Channel Ultra High Efficiency Quad-Mode??LED Driver
logo
ON Semiconductor
CAT3643HV2-T2 ONSEMI-CAT3643HV2-T2 Datasheet
320Kb / 17P
   3-Channel Ultra High Efficiency Quad-Mode LED Driver
Doc. No. MD-5022 Rev. G
logo
Catalyst Semiconductor
CAT3648 CATALYST-CAT3648 Datasheet
343Kb / 14P
   4-Channel Ultra High Efficiency Quad-Mode??LED Driver with 32 Dimming Levels
logo
ON Semiconductor
CAT3648 ONSEMI-CAT3648 Datasheet
216Kb / 14P
   4-Channel Ultra High Efficiency Quad-Mode LED Driver with 32 Dimming Levels
May, 2010 ??Rev. 2
CAT3648HV3-GT2 ONSEMI-CAT3648HV3-GT2 Datasheet
301Kb / 14P
   4-Channel Ultra High Efficiency Quad-Mode LED Driver with 32 Dimming Levels
Doc. No. MD-5031, Rev. C
CAT3648 ONSEMI-CAT3648_14 Datasheet
203Kb / 13P
   4-Channel Ultra High Efficiency LED Driver
August, 2014 ??Rev. 3
More results


Html Pages

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


Datasheet Download

Go To PDF Page


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


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