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參數資料
| 型號： | CAT3636HV3T |
| 英文描述： | 6-Channel Quad-ModeTM Fractional LED Driver in TQFN3x3 |
| 中文描述： | 6聲道四ModeTM分數的LED驅動器在TQFN3x3 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 434K |
| 代理商： | CAT3636HV3T |
CAT3636
2006 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 5020 Rev. A
FEATURES
High efficiency 1.33x charge pump
Quad-mode charge pump: 1x, 1.33x, 1.5x, 2x
Drives up to 6 LEDs at 32mA each
1-wire EZDim
TM
LED current programming
Power efficiency up to 92%
Low noise input ripple in all modes
“Zero” current shutdown mode
Soft start and current limiting
Short circuit protection
Thermal shutdown protection
Tiny 3mm x 3mm, 16-lead TQFN package
APPLICATIONS
LCD Display Backlight
Color RGB LEDs
Cellular Phones
Digital Still Cameras
Handheld Devices
ORDERING INFORMATION
Part
Number
CAT3636
HV3-T2
3x3 Green
Package
Quantity
per Reel
Package
Marking
TQFN-16
2000
JAAA
* Matte Tin Lead Finish
For Ordering Information details, see page 1
4
.
PIN CONFIGURATION
DESCRIPTION
The CAT3636 is a high efficiency quad-mode fractional
charge pump that can drive up to six LEDs
programmable by a one wire digital interface. The
inclusion of a 1.33x fractional charge pump mode
increases device efficiency by up to 10% over traditional
1.5x charge pumps with no added external capacitors.
Low noise input ripple is achieved by operating at a
constant switching frequency which allows the use of
small external ceramic capacitors. The multi-fractional
charge pump supports a wide range of input voltages
from 2.5V to 5.5V.
The EN/SET logic input functions as a chip enable and a
“1-wire” addressable interface for control and current
setting of all LEDs. Three groups of two LEDs can be
configured with independent LED currents between
0.25mA and 32mA.
The device is available in a tiny 16-lead TQFN 3mm x
3mm package with a max height of 0.8mm.
The 1.33x charge pump with two fly capacitors is a
patent pending architecture exclusive to Catalyst
Semiconductor.
TYPICAL APPLICATION CIRCUIT
6-Channel Quad-Mode
TM
Fractional LED Driver in TQFN3x3
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT3636HV3-T2 | 功能描述:LED照明驅動器 6-Channel Quad-Mode RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| CAT3637 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:6-Channel Programmable High Efficiency Quad-Mode⑩ LED Driver |
| CAT3637AEVB | 功能描述:電源管理IC開發(fā)工具 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| CAT3637HV3-GT2 | 功能描述:LED照明驅動器 Hi Eff Quad Mode LED Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| CAT3643 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:3-Channel Ultra High Efficiency Quad-Mode LED Driver |
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