参数资料
| 型号： | MIC5327-2.8YMT TR |
| 厂商： | Micrel Inc |
| 文件页数： | 3/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.8V .3A 4-TMLF |
| 产品培训模块： | MIC23xxx HyperLight Load™ Regulators |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.8V |
| 输入电压： | 最高 5.5V |
| 电压 - 压降（标准）： | 0.18V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA |
| 电流 - 限制（最小）： | 400mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 4-UFDFN 裸露焊盘，4-TMLF? |
| 供应商设备封装： | 4-TMLF?（1.2x1.6） |
| 包装： | 标准包装 |
| 产品目录页面： | 1094 (CN2011-ZH PDF) |
| 其它名称： | 576-3266-6 |
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) ........................................ –0.3V to +6V
Enable Voltage (V EN )......................................... –0.3V to V IN
Power Dissipation (P D ) ........................... Internally Limited (3)
Lead Temperature (soldering, 5 sec.)........................ 260°C
Junction Temperature (T J ).........................-40°C to +125°C
Storage Temperature (T S )..........................-65°C to +150°C
ESD Rating (4) .................................................................. 2kV
MIC5327
Operating Ratings (2)
Supply Voltage (V IN )....................................... +2.3V to 5.5V
Enable Voltage (V EN ).............................................. 0V to V IN
Junction Temperature (T J ) ........................ –40°C to +125°C
Junction Thermal Resistance
1.2mm x 1.6mm Thin MLF-4 ( θ JA ) ............................173°C/W
Electrical Characteristics (5)
V IN = V EN = V OUT + 1V; C OUT = C IN = 1μF; I OUT = 100μA; T J = 25°C, bold values indicate –40°C to +125°C unless noted.
Parameter
Output Voltage Accuracy
Line Regulation
Condition
Variation from nominal V OUT
Variation from nominal V OUT
V IN = V OUT +1V to 5.5V, I OUT = 100μA
Min
–1.5
–2.0
Typ
0.01
Max
+1.5
+2.0
0.3
Units
%
%
%/V
V IN = V OUT +1V to 5.5V, I OUT = 100μA
0.5
%/V
Load Regulation
(6)
Dropout Voltage (7)
I OUT = 100μA to 300mA
I OUT = 50mA
I OUT = 100mA
I OUT = 150mA
I OUT = 300mA
0.05
30
55
85
180
1
150
300
%
mV
mV
mV
mV
Ground Pin Current
(8)
I OUT = 100μA to 300mA
24
35
μA
Ground Pin Current in Shutdown
Ripple Rejection
V EN = 0V
f = 1kHz; C OUT = 1μF; I OUT = 300mA
f = 20kHz; C OUT = 1μF; I OUT = 300mA
0.01
60
50
1
μA
dB
dB
Current Limit
Output Voltage Noise
V OUT = 0V
C OUT = 1μF, 10Hz to 100kHz
400
600
90
950
mA
μV RMS
Enable Voltage
Enable Voltage
Logic Low
Logic High
1.2
0.2
V
V
Enable Current
Turn-on Time
V IL ≤ 0.2V
V IH ≥ 1.2V
C OUT = 1μF; I OUT = 300mA
0.01
0.01
150
1
1
500
μA
μA
μs
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. The maximum allowable power dissipation of any T A (ambient temperature) is P D(max) = (T J(max) – T A ) / θ JA . Exceeding the maximum allowable power
dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k ? in series with 100pF.
5. Specification for packaged product only.
6. Regulation is measured at constant junction temperature using low duty cycle pulse testing.
7. Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal V OUT.
8. Ground pin current is the regulator quiescent current. The total current drawn from the supply is the sum of the load current plus the ground pin
current.
September 2008
3
M9999-093008-A
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