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参数资料
| 型号： | MIC5319YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .5A 6MLF |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.25 V ~ 5.5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.2V @ 500mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA |
| 电流 - 限制（最小）： | 600mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-VQFN 裸露焊盘，6-MLF? |
| 供应商设备封装： | 6-MLF?（2x2） |
| 包装： | 标准包装 |
| 产品目录页面： | 1103 (CN2011-ZH PDF) |
| 其它名称： | 576-1299-6 |
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Input Voltage (V IN )...................................... 0V to 6V
Enable Input Voltage (V EN )..................................... 0V to 6V
Power Dissipation (P D ) ........................... Internally Limited (3)
Junction Temperature (T J ) ........................ ? 40°C to + 125°C
Storage Temperature (T S )......................... ? 65°C to + 150°C
Lead Temperature (soldering, 5sec.)......................... 260°C
ESD Rating (4) .................................................................. 3kV
MIC5319
Operating Ratings (2)
Supply Input Voltage (V IN )............................ +2.5V to +5.5V
Enable Input Voltage (V EN )..................................... 0V to V IN
Junction Temperature (T J ) ........................ ? 40°C to + 125°C
Package Thermal Resistance
MLF ( θ JA ) ...........................................................93°C/W
TSOT-23 ( θ JA ) ..................................................235°C/W
Electrical Characteristics (5)
V IN = V OUT + 1.0V; C OUT = 2.2μF; I OUT = 100μA; T J = 25°C, bold values indicate –40°C to +125°C, unless noted.
Parameter
Output Voltage Accuracy
Condition
Variation from nominal V OUT
Variation from nominal V OUT , I OUT = 100mA to 500mA
Min.
? 1.0
? 2.0
Typ.
Max.
+ 1.0
+ 2.0
Units
%
Load Regulation
Feedback Voltage
(ADJ Option)
Line Regulation
(6)
Dropout Voltage (7, 8)
Ground Pin Current (9)
Ground Pin Current in
Shutdown
Ripple Rejection
V IN = V OUT + 1V to 5.5V
I OUT = 100μA to 500mA
I OUT = 50mA
I OUT = 500mA
I OUT = 0 to 500mA
V EN ≤ 0.2V
f = up to 1kHz; C OUT = 2.2μF ceramic; C BYP = 0.1 μF
f = 10kHz; C OUT = 2.2μF ceramic; C BYP = 0.1 μF
1.2375
1.225
1.25
1.25
0.04
0.1
20
200
90
0.5
70
60
1.2625
1.275
0.3
0.5
40
400
150
V
%/V
%
mV
μA
μA
dB
Current Limit
Output Voltage Noise
V OUT = 0V
C OUT = 2.2μF; C BYP = 0.1 μF; 10Hz to 100kHz
600
700
40
mA
μVrms
Turn-On Time
Enable Input Voltage
Enable Input Current
C OUT = 2.2μF; C BYP = 0.1 μF
Logic Low (Regulator Shutdown)
Logic High (Regulator Enabled)
V IL = ≤ 0.2V (Regulator Shutdown)
V IH = ≥ 1.0V (Regulator Shutdown)
1.2
40
0.01
0.01
100
0.2
1
1
μs
V
μA
Notes:
1.
2.
3.
4.
5.
6.
7.
8.
9.
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 may go into thermal shutdown.
Devices are ESD sensitive. Handling precautions recommended. Human body model.
Specification for packaged product only.
Regulation is measured at constant junction temperature using low duty cycle pulse testing.
Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal V OUT . For outputs below 2.5V,
dropout voltage spec does not apply, as part is limited by minimum V IN spec of 2.5V. There may be some typical dropout degradation at V OUT < 3V.
For ADJ option, V OUT = 3V for dropout specification.
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.
July 2012
4
M9999-071812
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