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参数资料
| 型号： | MIC2288YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 3/11页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 1A 8MLF |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.24 V ~ 34 V |
| 输入电压： | 2.5 V ~ 10 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘，8-MLF? |
| 包装： | 标准包装 |
| 供应商设备封装： | 8-MLF?（2x2） |
| 产品目录页面： | 1082 (CN2011-ZH PDF) |
| 其它名称： | 576-1075-6 |
MIC2288
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) ..................................................... 12V
Switch Voltage (V SW ) ..................................... –0.3V to 34V
Enable Pin Voltage (V EN ) ................................... –0.3 to V IN
FB Voltage (V FB ) ............................................................. 6V
Switch Current (I SW ) ....................................................... 2A
Micrel, Inc.
Operating Ratings (2)
Supply Voltage (V IN ) ........................................ 2.5V to 10V
Junction Temperature Range (T J ) ........... –40 ° C to +125 ° C
Package Thermal Impedance
2mm × 2mm MLF?-8 ( θ JA ) ................................. 93 ° C/W
Thin SOT-23-5 ( θ JA ) .......................................... 256 ° C/W
Storage Temperature (T S ) ....................... –65 ° C to +150 ° C
ESD Rating (3) ................................................................ 2kV
Electrical Characteristics (4)
T A = 25 ° C, V IN = V EN = 3.6V, V OUT = 10V, 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
Under Voltage Lockout
Quiescent Current
V FB = 2V, (not switching)
1.8
2.1
2.8
2.4
5
V
mA
I SD
V FB
Shutdown Current
Feedback Voltage
V EN =
( ± 1%)
0V (5)
1.227
0.1
1.24
1
1.252
μ A
V
( ± 2%) (Over Temp)
1.215
1.265
V
I FB
Feedback Input Current
V FB = 1.24V
–450
nA
Line Regulation
Load Regulation
3V ≤ V IN ≤ 5V
5mA ≤ I OUT ≤ 40mA
0.1
0.2
1
%
%
D MAX
I SW
V SW
Maximum Duty Cycle
Switch Current Limit
Switch Saturation Voltage
I SW = 1A
85
90
1.2
550
%
A
mV
I SW
V EN
Switch Leakage Current
Enable Threshold
V EN = 0V, V SW = 10V
Turn on
1.5
0.01
5
μ A
V
Turn off
0.4
V
I EN
f SW
Enable Pin Current
Oscillator Frequency
V EN = 10V
1.05
20
1.2
40
1.35
μ A
MHz
V OVP
Output Overvoltage Protection
MIC2288 MLF? package option only
30
32
34
V
T J
Overtemperature
150
° C
Threshold Shutdown
Hysteresis
10
° C
Notes:
1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications 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. This device is not guaranteed to operate beyond its specified operating rating.
3. IC devices are inherently ESD sensitive. Handling precautions required. Human body model rating: 1.5K in series with 100pF.
4. Specification for packaged product only.
5. I SD = I VIN .
April 2005
3
M9999-042205
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