参数资料
型号: MIC3263YML TR
厂商: Micrel Inc
文件页数: 6/32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.
Electrical Characteristics (4) (Continued)
V IN = 12V; L = 22 μ H, C OUT =10 μ F , T A = 25°C, BOLD values indicate –40°C ≤ T A ≤ + 125°C, unless no ted.
MIC3263
Symbol
F DIMA
F DRC
V PWM
Parameter
PWM Dim ming F re quency
Accuracy
DRC Input Range
DRC Pin Threshol ds
Condition
F DIM = 100Hz to 2kHz; MODE = 0
F DIM = 1.6kHz to 20kHz; MOD E = V DD
Turn on
Min
? 20
? 20
0.1
1.3
Typ
0
0
Max
+ 20
+ 20
40
Units
%
kHz
V
Turn off
0.4
V EN
EN Pin Thresholds
Turn on
1.3
V
Turn off
0.4
I EN
Enable Pin Cur re nt
40
60
μ A
Boost Converter
D MAX
Ma ximum Duty C ycle
90
%
I SW
V SW
Switch Curr ent Li mit
Equivalent S witch V CE (ON)
V IN = 6V to 20V, Guaranteed b y D esi gn
V IN = 12V, I SW = 1.0A
1 .6
2.4
0.3
A
V
I SW
N
Switch Leaka ge C urrent
Efficiency
V IN = 0V, V IN = 40V
V IN = 12V, Load = 6 Channels of 8 LEDs at 20mA
with 3.6V per LED, Frequency = 400kHz
0.01
90
20
μ A
%
F SW
f SW
V OVP
T SD
Oscillator Frequency
Range
Oscillator Frequency
Overvoltage Protection
Thermal Shutdown
Frequency Setting Range
R FSW = 160k ?
Comparators OVP Pin to 2.36V
Temperature Rising
0.4
0.96
1.2
1.2
2.36
160
1.8
1.44
MHz
MHz
V
°C
Hysteresis
20
January 2010
6
M9999-012110
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