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参数资料
| 型号： | MIC2298-15YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER HIGH BRIGHT 12-MLF |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 闪灯/白光 |
| 类型 - 次要： | 高亮度 LED（HBLED），白色 LED |
| 频率： | 800kHz ~ 1.2MHz |
| 电源电压： | 2.5 V ~ 10 V |
| 输出电压： | 30V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-VFDFN 裸露焊盘，12-MLF? |
| 供应商设备封装： | 12-MLF?（4x4） |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 125°C |
| 产品目录页面： | 1082 (CN2011-ZH PDF) |
| 其它名称： | 576-1657-6 |
Micrel, Inc.
Ordering Information
MIC2298
Part Number
MIC2298-15YML
OVP
15V
Frequency
1MHz
Junction Temp. Range
–40° to +125°C
Package
12-Pin 3x3 MLF ?
Lead Finish
Pb-Free
Note: MLF is a GREEN RoHS compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free.
?
Pin Configuration
BRT
SS/DIM
FB
1
2
3
12 COMP
11 EN
10 VIN
AGND
4
9
OVP
PGND
PGND
5
6
EP
8
7
SW
SW
12-Pin 3mm x 3mm MLF (ML)
(Top View)
Pin Description
Pin Number
1
2
3
4
5,6
7,8
9
10
11
12
Pad
Pin Name
BRT
SS/DIM
FB
AGND
PGND
SW
OVP
VIN
EN
COMP
EP
Pin Function
BRT (input): Apply a voltage greater than or equal to 1V to achieve full
brightness current as determined by the ballast resistor. A 10μA current source
sets the voltage on the resistor. Hence a 50K resistor would yield 0.5V which
causes a reduction in LED current to 50% of full brightness. Grounding the BRT
reduces the current further to 20% of full brightness. This pin may also be driven
by a PWM signal for the same effect.
Soft start/dimming (input) 40k ? source. Connect a capacitor to GND for soft-
start. Clamp the pin to a known voltage to control the internal reference voltage
and hence the output current. This can also be done with a resistor to GND
Feedback (Input): Output voltage sense node. Connect the cathode of the LED
to this pin.
Analog Ground
Power Ground
Switch Node: Internal power BIPOLAR collector.
Over-Voltage Protection (OVP): Connect to the output voltage to clamp the
maximum output voltage. A resistor divider from this pin to ground could be
used to raise the OVP level beyond 15V (max)
Supply (Input): 2.5V to 10V for internal circuitry.
Enable (Input): Applying 1.5V or greater enables the regulator. Applying a
voltage of 0.4V or less disables the MIC2298.
Compensation pin (input): Add external R and C to GND to stabilize the
converter.
Ground (Return): Backside exposed pad.
October 2007
2
M9999-101707-B
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2299 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3.5A Minimum, 2MHz High Brightness LED Driver |
| MIC2299_11 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3.5A Minimum, 2MHz High Brightness LED Driver |
| MIC2299-15YML | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3.5A Minimum, 2MHz High Brightness LED Driver |
| MIC2299-15YML TR | 功能描述:直流/直流开关调节器 2.5V 2MHz Boost LED Driver with 3.5A Switch RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MIC2299-15YMLTR | 制造商:Micrel 功能描述:7W 2MHz White LED Driver, MIC2299-15YML |
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