AAT3140中文资料PDF规格书
AAT3140规格书详情
General Description
The AAT3140 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications. The device produces current levels up to 30mA on each of its four current source outputs to drive various arrangements of LEDs from a 2.7V to 5.5V input. Outputs may be operated individually or in parallel for driving higher-current LEDs. A low external parts count (two 1µF flying capacitors and two small 1µF capacitors at VIN and CP) make the AAT3140 ideally suited for small battery-powered applications.
Features
• VIN Range: 2.7V to 5.5V
• Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage
• Drives Low-VF and High-VF Type LEDs
• Up to 4, 30mA Outputs
• 32-Position Logarithmic Scale with Digital Control
• Low Noise Constant Frequency Operation
• 1MHz Switching Frequency
• AutoBias Technology
• Small Application Circuit
• Regulated Output Current
• Automatic Soft Start
• No Inductors
• IQ < 1µA in Shutdown
• 12-Pin TSOPJW Package
Applications
• Color (RGB) Lighting
• Programmable Current Sources
• White LED Backlighting
• White Photo Flash for DSCs
产品属性
- 型号:
AAT3140
- 制造商:
ANALOGICTECH
- 制造商全称:
Advanced Analogic Technologies
- 功能描述:
High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ANALOG |
07+PB |
TSOPJW-12 |
2999 |
向鸿原装正品/代理渠道/现货优势 |
询价 | ||
ANALOGIC |
22+ |
TSOPJW-12 |
18560 |
假一赔十全新原装现货特价供应工厂客户可放款 |
询价 | ||
ANALOG |
23+ |
NA |
2999 |
航宇科工半导体-中国航天科工集团战略合作伙伴! |
询价 | ||
23+ |
N/A |
85700 |
正品授权货源可靠 |
询价 | |||
ANALOGIC |
23+ |
TSOPJW-12 |
50000 |
只做原装正品 |
询价 | ||
ANALOG |
23+ |
NA/ |
6527 |
原装现货,当天可交货,原型号开票 |
询价 | ||
ANALOGIC |
23+ |
SMD |
8650 |
受权代理!全新原装现货特价热卖! |
询价 | ||
原装 |
20+ |
原装 |
56200 |
原装优势主营型号-可开原型号增税票 |
询价 | ||
ANALOGIC |
19+ |
TSOPJW-12 |
20000 |
6120 |
询价 | ||
ANALOGI |
21+ |
TSOPJW- |
12588 |
原装现货价格优势 |
询价 |