参数资料
型号: MIC2846A-MFYMT TR
厂商: Micrel Inc
文件页数: 3/19页
文件大小: 0K
描述: IC LED DRIVR WHITE BCKLGT 14TMLF
标准包装: 1
拓扑: 线性(LDO)
输出数: 6
内部驱动器:
类型 - 主要: 背光,闪灯/白光
类型 - 次要: 白色 LED
电源电压: 3 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 14-UFQFN 裸露焊盘,14-TMLF?
供应商设备封装: 14-TMLF?(2.5x2.5)
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: 576-3477-6
Micrel Inc.
Ordering Information (1,2,3)
MIC2846A
Part Number
Mark
LDO1
LDO2
Temperature Range
Package
Code
VOUT
VOUT
MIC2846A-MFYMT
MIC2846A-MGYMT
MIC2846A-PGYMT
MIC2846A-PPYMT
MIC2846A-SCYMT
YPMF
YPMG
YPPG
YPPP
YPSC
2.8V
2.8V
3.0V
3.0V
3.3V
1.5V
1.8V
1.8V
3.0V
1.0V
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
14-Pin 2.5mm x 2.5mm TMLF ?
14-Pin 2.5mm x 2.5mm TMLF ?
14-Pin 2.5mm x 2.5mm TMLF ?
14-Pin 2.5mm x 2.5mm TMLF ?
14-Pin 2.5mm x 2.5mm TMLF ?
1. Thin MLF ▲ = Pin 1 identifier.
2. Thin MLF is a GREEN RoHS-compliant package. Lead finish is NiPdAu. Mold compound is halogen free.
Note:
?
?
3. Contact Micrel for other output voltages.
Pin Configuration
14-Pin 2.5mm x 2.5mm Thin MLF ? (MT) (Top View)
Pin Description
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
EPAD
Pin Name
VIN
LDO2
EN2
DC
RSET
D1
D2
D3
GND
D4
D5
D6
EN1
LDO1
HS PAD
Pin Function
Voltage Input. Connect at least 1μF ceramic capacitor between VIN and GND.
Output of LDO2. Connect at least 1μF ceramic output capacitor.
Enable Input for LDO2. Active High Input. Logic High = On; Logic Low = Off; Do not leave floating.
Enable input for LED driver. Can be used for dimming using the digital control interface. See Digital
Dimming Interface for details. Do not leave floating.
An internal 1.27V reference sets the nominal maximum LED current. Example, apply a 20.5k ?
resistor between RSET and GND to set LED current to 20mA at 100% duty cycle.
LED1 driver. Connect LED anode to VIN and cathode to this pin.
LED2 driver. Connect LED anode to VIN and cathode to this pin.
LED3 driver. Connect LED anode to VIN and cathode to this pin.
Ground.
LED4 driver. Connect LED anode to VIN and cathode to this pin.
LED5 driver. Connect LED anode to VIN and cathode to this pin.
LED6 driver. Connect LED anode to VIN and cathode to this pin.
Enable Input for LDO1. Active High Input. Logic High = On; Logic Low = Off; Do not leave floating.
Output of LDO1. Connect at least 1μF ceramic output capacitor.
Heat sink pad. Not internally connected. Connect to ground.
April 2010
3
M9999-041210-D
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