参数资料
型号: MIC2299-15YML TR
厂商: Micrel Inc
文件页数: 2/14页
文件大小: 0K
描述: IC LED DRIVR WHITE BCKLGT 12-MLF
标准包装: 1
恒定电流:
拓扑: PWM,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 背光,闪灯/白光
类型 - 次要: 白色 LED
频率: 1.75MHz ~ 2.3MHz
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: 576-3052-6
Micrel, Inc.
Ordering Information
MIC2299
Part Number
MIC2299-15YML
OVP
15V
Frequency
2MHz
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): Short this pin to GND to achieve 20% I OUT (1V gives I OUT at 100%).
As an alternative connect a resistor to GND to control the I OUT to >0.2I OUT . . A
10μA current source sets the voltage on the resistor. Hence a 50K resistor
would yield 0.5V which would be 50% of I OUT nominal.
Soft start/dimming (input) 40k ? source from V FB . 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 (Input): 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): Logic High enables regulator. Logic Low shuts down regulator.
Compensation pin (Input): Add external R and C to GND to stabilize the
converter.
Ground (Return): Backside exposed pad.
October 2007
2
M9999-101907-B
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