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参数资料
| 型号： | MIC2293C-34YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 3/10页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER WHITE BCKLGT 8-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： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1.75MHz ~ 2.25MHz |
| 电源电压： | 2.5 V ~ 10 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘，8-MLF? |
| 供应商设备封装： | 8-MLF?（2x2） |
| 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： | 576-3080-6 |
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) .......................................................12V
Switch Voltage (V SW )....................................... –0.3V to 34V
Enable Pin Voltage (V EN )................................... –0.3V to V IN
FB Voltage (V FB )...............................................................6V
Switch Current (I SW ) .........................................................2A
Ambient Storage Temperature (T s ) ........... –65°C to +150°C
Schottky Reverse Voltage (V DA ).....................................34V
EDS Rating (3) .................................................................. 2kV
MIC2292/93C
Operating Ratings (2)
Supply Voltage (V IN )........................................ 2.5V to +10V
Output Voltage (V IN ) ............................................ V IN to V OVP
Junction Temperature (T J ) ........................ –40°C to +125°C
Package Thermal Resistance
2mm x 2mm MLF ? ( θ JA ).....................................93°C/W
Electrical Characteristics (4)
T A = 25°C, V IN = V EN = 3.6V, V OUT = 15V, I OUT = 20mA, unless otherwise noted. Bold values indicate –40°C< T J < +125°C.
Symbol
V IN
Parameter
Supply Voltage Range
Condition
Min
2.5
Typ
Max
10
Units
V
V UVLO
I VIN
I SD
Under Voltage Lockout
Quiescent Current
Shutdown Current
V FB > 200mV, (not switching)
V EN = 0V (5)
1.8
2.1
2.5
0.1
2.4
5
1
V
mA
μA
V FB
I FB
Feedback Voltage
Feedback Input Current
(±10%)
V FB = 95mV
85
95
–450
105
mV
nA
Load Regulation
Line Regulation (6)
(6)
3V ≤ V IN ≤ 5V
5mA ≤ I OUT ≤ 20mA
0.5
0.5
%
%
D MAX
I SW
V SW
Maximum Duty Cycle
Switch Current Limit
Switch Saturation Voltage
I SW = 0.5A
85
90
750
450
%
mA
mV
I SW
V EN
I EN
Switch Leakage Current
Enable Threshold
Enable Pin Current
V EN = 0V, V SW = 10V
TURN ON
TURN OFF
V EN = 10V
1.5
0.01
20
5
0.4
40
μA
V
V
μA
f SW
V D
I RD
V OVP
T J
Oscillator Frequency
Schottky Forward Drop
Schottky Leakage Current
Overvoltage Protection
Overtemperature
Threshold Shutdown
MIC2292C
MIC2293C
I D = 150mA
V R = 30V
MIC2292/93C-15
MIC2292/93C-34
Hysteresis
1.4
1.75
11.4
27
1.6
2.0
0.8
14
32
150
10
1.8
2.25
1
4
16.5
37
MHz
MHz
V
μA
V
V
°C
°C
Notes:
1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical speci ? cations do not apply when operating
the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, T J(max) , the
junction-to-ambient thermal resistance, θ JA , and the ambient temperature, T A . The maximum allowable power dissipation will result in excessive die
temperature, and the regulator will go into thermal shutdown.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model.
4. Specification for packaged product only.
5. I SD = I VIN .
6. Guaranteed by design
September 2009
3
M9999-091509-A
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