参数资料
型号: MIC3263YML TR
厂商: Micrel Inc
文件页数: 3/32页
文件大小: 0K
描述: IC LED DRIVER 6CH BKLT 24-MLF
特色产品: MIC3263 Boost Switching Regulator
标准包装: 1
恒定电流:
拓扑: PWM,升压(升压)
输出数: 6
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 400kHz ~ 1.8MHz
电源电压: 6 V ~ 40 V
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘,24-MLF?
供应商设备封装: 24-MLF?(4x4)
包装: 标准包装
工作温度: -40°C ~ 125°C
其它名称: 576-3663-6
MIC3263YML TRDKR
MIC3263YML TRDKR-ND
Micrel, Inc.
Ordering Infor mati on
MIC3263
Part Number
MIC3263YML
Junction Temperature Range (1)
–40° to +125°C
Package
24-Pin 4mm x 4mm MLF?
Lead Finish
Pb-Free
Note:
1. Other Voltage available. Contact Micrel for detail
Pin Configuration
24-Pin 4mm x 4mm MLF?
Pin Description
Pin Number
1
2
3
4
5
6
7
8
9
Pin Name
FS W
RS LP
OV PS
O VP
MO DE
DF S
COMP
DRC
CINT
Pin Function
Booster Switching Frequency:
Connect a resistor-to-GND to set the switching frequency from 400k Hz to 1.8MHz.
Slope Compensation Adjustm ent Resistor.
OVP and FB vo ltage divider virtual ground.
Overvoltage Protection Input. This is also the FB voltage for the err or amp in the Boost stage.
Select a dimming fr equency range:
0V for 100Hz to 2kH z and V DD for 1.5kHz to 20kHz. If DFS is connected to V DD , MODE pin is
used for an external dimming pulse input.
Set a dimming frequency from 100Hz to 20k Hz through an external resistor and MODE.
Requires a series RC for stability.
If DFS is connected to V DD , an external dimming pulse can be applied to the MODE pin.
Loop Compensation connect R and C-to-GND.
Dimming Ratio Control Pulse:
Its duty cycle is converted to one of 16 dimming levels. The duty-cycle difference between two
adjacent levels is ±6.25%. And about 2% duty-cycle hysteresis exists between two adjacent
levels to eliminate dimming flicker.
DRC can be from 100Hz to 40kHz.
Integration Cap:
Use a 0.01μF for 2kHz to 20kHz and 0.1μF for 100Hz ─ 2kHz.
January 2010
3
M9999-012110
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