参数资料
| 型号： | MIC5332-J4YMT TR |
| 厂商： | Micrel Inc |
| 文件页数： | 3/13页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.5V/1.2V .3A 8TMLF |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.5V，1.2V |
| 输入电压： | 2.3 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.12V @ 300mA |
| 稳压器数量： | 2 |
| 电流 - 输出： | 300mA |
| 电流 - 限制（最小）： | 350mA |
| 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? |
| 供应商设备封装： | 8-MLF?（2x2） |
| 包装： | 标准包装 |
| 产品目录页面： | 1104 (CN2011-ZH PDF) |
| 其它名称： | 576-3158-6 |
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) ............................................. 0V to +6V
Enable Input Voltage (V EN1 , V EN2 ) .......................... 0V to V IN
POR2 Voltage (V POR2 ) .......................................... 0V to +6V
Power Dissipation .................................. Internally Limited (3)
Lead Temperature (soldering, 10sec.)....................... 260°C
Storage Temperature (T s ) ......................... –65°C to +150°C
ESD Rating (4) .................................................................. 2kV
MIC5332
Operating Ratings (2)
Supply Voltage (V IN )..................................... +2.3V to +5.5V
Enable Input Voltage (V EN1 , V EN2 ) .......................... 0V to V IN
POR2 Voltage (V POR2 ) ....................................... 0V to +5.5V
Junction Temperature (T J ) ........................ –40°C to +125°C
Junction Thermal Resistance
2mm x 2mm Thin MLF-8 ( θ JA ) ...........................90°C/W
Electrical Characteristics (5)
V IN = V EN1 = V EN2 = V OUT + 1.0V, higher of the two regulator outputs; I OUT1 = I OUT2 = 100μA; C OUT1 = C OUT2 = 1μF;
T J = 25°C, bold values indicate –40°C < T J < +125°C; unless noted.
Parameter
Condition
Min.
Typ.
Max.
Units
Output Voltage Accuracy
Line Regulation
Load Regulation
Dropout Voltage
Ground Current
Ground Current in Shutdown
Ripple Rejection
Variation from nominal V OUT
Variation from nominal V OUT ; –40°C to +125°C
V IN = V OUT +1V to 5.5V; I OUT = 100μA
I OUT = 100μA to 300mA
I OUT = 50mA
I OUT = 300mA
V EN1 = High; V EN2 = Low; I OUT = 100μA to 300mA
V EN1 = Low; V EN2 = High; I OUT = 100μA to 300mA
V EN1 = V EN2 = High; I OUT1 = 300mA, I OUT2 = 300mA
V EN1 = V EN2 < 0.2V
f = 1kHz; C OUT = 2.2μF;
f = 20kHz; C OUT = 2.2μF;
–1.0
–2.0
0.02
0.2
20
120
25
25
40
0.01
65
45
+1.0
+2.0
0.3
0.6
0.5
40
240
50
50
75
1.0
%
%/V
%
mV
mV
μA
μA
dB
Current Limit
Output Voltage Noise
V OUT = 0V
C OUT =1μF, 10Hz to 100kHz
350
550
50
800
mA
μV RMS
Enable Inputs (EN1/EN2 )
Enable Input Voltage
Enable Input Current
Logic Low
Logic High
V IL ≤ 0.2V
V IH ≥ 1.2V
1.2
0.01
0.01
0.2
1.0
1.0
V
μA
Turn-on Time
Turn-On Time (LDO1 and 2)
C OUT = 1μF (Enable of First LDO)
C OUT = 1μF (Enable of Second LDO after First Enabled)
140
110
500
500
μs
Notes:
1.
2.
3.
4.
5.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
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.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k ? in series with 100pF.
Specification for packaged product only.
September 2012
3
M9999-091212-B
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