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參數(shù)資料
| 型號(hào)： | AAT3192IJQ-3 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 元件分類： | LED驅(qū)動(dòng)器 |
| 英文描述： | Low-Cost, 2-/3-Channel Charge-Pump LED Drivers |
| 中文描述： | 低成本，2-/3-Channel電荷泵LED驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 1/17頁(yè) |
| 文件大小： | 400K |
| 代理商： | AAT3192IJQ-3 |
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AAT3192/93
Low-Cost, 2-/3-Channel
Charge-Pump LED Drivers
3193.2007.05.1.0
ChargePump
General Description
The AAT3192 and AAT3193 are charge-pump
based, current-sink white LED drivers capable of
driving one to three LEDs up to 30mA, each. They
automatically switch between 1x mode and 2x
mode to maintain the highest efficiency and opti-
mal LED current accuracy and matching.
The AAT3192/93 charge pump’s 1x mode (bypass
mode) has very low resistance allowing LED cur-
rent regulation to be maintained with input supply
voltage approaching the LED forward voltage.
The AAT3192 and the AAT3193 are available in a
2x2mm 10-lead SC70JW-10 packages.
Features
Drives up to 3 LEDs at up to 30mA, each
Automatic Switching Between 1x and 2x Modes
0.9MHz Switching Frequency
Linear LED Output Current Control
— Single-wire, S
2
Cwire Interface
AAT3192/93-1: 16-step
AAT3192/93-2: 8-step
AAT3192/93-3: 4-step
— ON/OFF or PWM Interface
AAT3192/93-4
±10% LED Output Current Accuracy
±3% LED Output Current Matching
Low-current Shutdown Mode
Built-in Thermal Protection
Automatic Soft-start
Available in 2x2mm SC70JW-10 Package
Applications
Low-cost Cordless Phone Handsets
Low-cost Digital Cameras
Low-cost Mobile Phone Handsets
Low-cost MP3 and PMP Players
Typical Application
I2.7V to 5.5V
IN
C+
C-
EN/SET
OUT
D1
D2
RSET
R
SET
14.3k
Ω
EN/SET
2
Cwire
S
C
IN
1μF
P
C
C
OUT
1μF
GND
AAT3192-1
WLEDs
Oor equivalent
Input Voltage
2.7V to 5.5V
EN/SET
S
2
Cwire
Interface
IN
C+
C-
EN/SET
OUT
D1
D2
D3
RSET
SET
1R
Ω
C
OUT
1μF
GND
Oor equivalent
AAT3193-1
C
P
1μF
IN
C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AAT3192IJQ-4 | Low-Cost, 2-/3-Channel Charge-Pump LED Drivers |
| AAT3193 | Low-Cost, 2-/3-Channel Charge-Pump LED Drivers |
| AAT3194 | High Efficiency 1.5X Fractional Charge Pump For White LED Applications |
| AAT3194ITP-20-T1 | High Efficiency 1.5X Fractional Charge Pump For White LED Applications |
| AAT3200IGY-1.8-T1 | 1.5A Fast Ultra Low Dropout Linear Regulators |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT3192IJQ-3-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:2-Channel Charge-Pump LED Driver |
| AAT3192IJQ-4 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:2-Channel Charge-Pump LED Driver |
| AAT3192IJQ-4-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:2-Channel Charge-Pump LED Driver |
| AAT3193 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:3-Channel Charge-Pump LED Driver |
| AAT3193IJQ-1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:3-Channel Charge-Pump LED Driver |
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