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参数资料
| 型号： | MIC5248-1.2BM5TR |
| 厂商： | MICREL INC |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 1.2 V FIXED POSITIVE LDO REGULATOR, PDSO5 |
| 封装： | SOT-23, 5 PIN |
| 文件页数： | 4/10页 |
| 文件大小： | 252K |
| 代理商： | MIC5248-1.2BM5TR |
Micrel, Inc.
MIC5248
August 2006
3
M9999-080106
Absolute Maximum Ratings(1)
Supply Input Voltage (VIN).................................... 0V to +7V
Enable Input Voltage (VEN)..................................... 0V to VIN
Flag Output Voltage (VPG) ...................................... 0V to VIN
Junction Temperature (TJ) ....................................... +150°C
Storage Temperature (TS).........................–65°C to +150°C
Lead Temperature (soldering, 5sec.)......................... 260°C
EDS Rating
(3)
Operating Ratings(2)
Input Voltage (VIN)........................................... +2.7V to +6V
Enable Input Voltage (VEN)..................................... 0V to VIN
Flag Output Voltage (VPG)...................................... 0V to VIN
Junction Temperature (TJ) ........................–40°C to +125°C
Thermal Resistance
SOT-23-5 (θJA).................................................235°C/W
MLF-6 (θJA) ......................................................100°C/W
Electrical Characteristics
VIN = 2.7V, VEN = VIN; IOUT = 100A; TJ = 25°C, bold values indicate –40°C< TJ < +125°C, unless noted.
Symbol
Parameter
Condition
Min
Typ
Max
Units
VO
Output Voltage Accuracy
IOUT = 100A
–3
–4
3
4
%
VLNR
Line Regulation
VIN = 2.7V to 6V
–0.3
0
0.3
%/V
VLDR
Load Regulation
IOUT = 0.1mA to 150mA, Note 4
4.0
5.0
%
IQ
Quiescent Current
VEN ≤ 0.4V (shutdown)
0.45
1
A
IOUT = 0mA; VIN = 6.0V
100
150
A
IGND
Ground Pin Current, Note 5
IOUT = 150mA; VIN = 6.0V
100
150
A
PSRR
Power Supply Rejection
f = 120Hz, COUT = 4.7F, IOUT = 150mA
60
dB
ILIM
Current Limit
VOUT = 0V
160
350
mA
Enable Input
VIL
Enable Input Logic-Low Voltage
VIN = 5.5V, regulator shutdown
0.4
V
VIH
Enable Input Logic-High Voltage
VIN = 5.5V, regulator enabled
1.6
V
VIL ≤ 0.4V; VIN = 5.5V
0.01
A
IEN
Enable Input Current
VIH ≥ 1.6V; VIN = 5.5V
0.01
A
Thermal Protection
Thermal Shutdown Temperature
150
°C
Thermal Shutdown Hysteresis
10
°C
Power Good, Note 6
Low Threshold
% of VOUT (PG ON)
89.5
%
VPG
High Threshold
% of VOUT (PG OFF)
96.5
%
VOL
PG Output Logic-Low Voltage
IL = 100A, fault condition
0.02
0.1
V
IPG
Power Good Leakage Current
power good off, VPG = 5.5V
0.01
A
VPG Delay
Delay Time to Power Good
See “Timing Diagram”
1
5
ms
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended.
4. Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load regulation in the loadrange from
0.1mA to 150mA. Changes in output voltage due to heating effects are covered by the thermal regulation specification.
5. Ground pin current is the regulator quiescent current. The total current drawn from the supply is the sum of the load current plus the groundpin
current.
6. The power good is a function of the output voltage being 5% low and the detection of one of the following: overcurrent, over-temperature ordropout.
See “Applications Information” section for additional information.
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| MIC5249-1.5YMM | 功能描述:低压差稳压器 - LDO 300mA uCapl LDO with Reset (Lead Free) RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MIC5249-1.5YMM TR | 功能描述:低压差稳压器 - LDO 300mA uCapl LDO with Reset (Lead Free) RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MIC5249-1.8BMM | 功能描述:IC REG LDO 1.8V .3A 8-MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:500 系列:- 稳压器拓扑结构:正，固定式 输出电压:12V 输入电压:14.5 V ~ 35 V 电压 - 压降（标准）:- 稳压器数量:1 电流 - 输出:500mA 电流 - 限制（最小）:- 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:TO-205AD，TO-39-3 金属罐 供应商设备封装:TO-39 包装:散装 其它名称:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
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