参数资料
型号: MIC5333-PMYMT TR
厂商: Micrel Inc
文件页数: 3/12页
文件大小: 0K
描述: IC REG LDO 3V/2.8V .3A 10TMLF
标准包装: 1
稳压器拓扑结构: 正,固定式
输出电压: 3V,2.8V
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: 10-UFDFN 裸露焊盘,10-TMLF?
供应商设备封装: 10-TMLF?(2.5x2.5)
包装: 标准包装
产品目录页面: 1105 (CN2011-ZH PDF)
其它名称: 576-3170-6
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) ............................................. 0V to +6V
Enable Input Voltage (V EN1 , V EN2 ) .......................... 0V to V IN
POR Voltage (V POR1 , V POR2 ) ................................. 0V to +6V
Power Dissipation .................................. Internally Limited (3)
Lead Temperature (soldering, 3sec.)......................... 260°C
Storage Temperature (T s ) ......................... –65°C to +150°C
ESD Sensitive (4)
MIC5333
Operating Ratings (2)
Supply Voltage (V IN )..................................... +2.3V to +5.5V
Enable Input Voltage (V EN1 , V EN2 ) .......................... 0V to V IN
POR Voltage (V POR1 , V POR2 ) .............................. 0V to +5.5V
Junction Temperature (T J ) ........................ –40°C to +125°C
Junction Thermal Resistance
2.5mm x 2.5mm Thin MLF-10 ( θ JA ) ...................75°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
Output Voltage Accuracy
Line Regulation
Condition
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
Min
–1.0
–2.0
Typ
0.02
Max
+1.0
+2.0
0.3
Units
%
%
%/V
0.6
%/V
Load Regulation
Dropout Voltage
Ground Current
Ground Current in Shutdown
Ripple Rejection
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
0.2
20
120
25
25
40
0.01
65
45
0.5
40
240
50
50
75
1.0
%
mV
mV
μA
μA
μA
μA
dB
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
Logic Low
Logic High
1.2
0.2
V
V
Enable Input Current
V IL ≤ 0.2V
V IH ≥ 1.2V
0.01
0.01
1.0
1.0
μA
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
μs
POR1/POR2 Output
V TH
Low Threshold, % of V OUT (POR ON)
High Threshold, % of V OUT (POR OFF)
88
98
%
%
V OL
POR Output Logic Low Voltage; I L = 250μA
0.02
0.1
V
I POR
POR Leakage Current, POR OFF
–1.0
0.01
+1.0
μA
February 2008
3
M9999-021408-A
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