参数资料
型号: MIC39300-2.5BU TR
厂商: Micrel Inc
文件页数: 4/13页
文件大小: 0K
描述: IC REG LDO 2.5V 3A TO263
标准包装: 750
稳压器拓扑结构: 正,固定式
输出电压: 2.5V
输入电压: 最高 16V
电压 - 压降(标准): 0.385V @ 3A
稳压器数量: 1
电流 - 输出: 3A(最小)
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-263-4,D²Pak(3 引线+接片),TO-263AA
供应商设备封装: TO-263-3
包装: 带卷 (TR)
其它名称: MIC39300-2.5BUTR
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) ....................................... –20V to +20V
Enable Voltage (V EN )....................................................+20V
Storage Temperature (T S )................ –65°C to +150°C Lead
Temperature (soldering, 5 sec.) ................................. 260°C
ESD Rating................................................................ Note 3
MIC39300/39301/39302
Operating Ratings (2)
Supply Voltage (V IN )...................................... +2.5V to +16V
Enable Voltage (V EN )....................................................+16V
Maximum Power Dissipation (P D(max) ) ....................... Note 4
Junction Temperature (T J ) ........................ –40°C to +125°C
Package Thermal Resistance
TO-263 ( θ JC ) ........................................................2°C/W
TO-220 ( θ JC ) ........................................................2°C/W
Electrical Characteristics (5)
T J = 25°C, bold values indicate –40°C ≤ T J ≤ +125°C, unless noted.
Symbol
V OUT
Parameter
Output Voltage
Line Regulation
Load Regulation
Condition
10mA
10mA ≤ I OUT ≤ 3A, V OUT + 1V ≤ V IN ≤ 8V
I OUT = 10mA, V OUT + 1V ≤ V IN ≤ 8V
V IN = V OUT + 1V, 10mA ≤ I OUT ≤ 3A
Min
–1
–2
Typ
0.06
0.2
Max
1
2
0.5
1
Units
%
%
%
%
Output Voltage Temp.
? V OUT / ? T
Coefficient
20
100
ppm/°C
Note 6
V DO
Dropout Voltage
Note 7, Note 10
I OUT = 100mA, ? V OUT = –1%
I OUT = 750mA, ? V OUT = –1%
65
185
200
mV
mV
I OUT = 1.5A, ? V OUT = –1%
250
mV
I OUT = 3A, ? V OUT = –1%
385
550
mV
I GND
Ground Current
Note 8
I OUT = 750mA, V IN = V OUT + 1V
I OUT = 1.5A, V IN = V OUT + 1V
10
17
20
mA
mA
I OUT = 3A, V IN = V OUT + 1V
45
mA
I GND(do)
I OUT(lim)
Dropout Ground Pin Current
Current Limit
V IN ≤ V OUT (nominal) – 0.5V, I OUT = 10mA
V OUT = 0V, VIN = VOUT + 1V
6
4.5
mA
A
Enable Input (MIC39301)
V EN
Enable Input Voltage
logic low (off)
logic high (on)
2.5
0.8
V
V
I IN
Enable Input Current
V EN = 2.5V
15
30
75
μA
μA
V EN = 0.8V
2
4
μA
μA
I OUT(shdn)
Shutdown Output Current
Note 9
10
20
μA
Flag Output (MIC39301)
I FLG(leak)
V FLG(do)
V FLG
Output Leakage Current
Output Low Voltage
Low Threshold
High Threshold
V OH = 16V
V IN = 2.50V, I OL , = 250μA, Note 10
% of V OUT
% of V OUT
93
0.01
220
1
2
300
400
99.2
μA
μA
mV
mV
%
%
Hysteresis
October 2009
4
1
%
M9999-102309-A
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