参数资料
型号: MIC59300-1.2WU TR
厂商: Micrel Inc
文件页数: 4/15页
文件大小: 0K
描述: IC REG LDO 1.2V 3A TO263-5
标准包装: 750
稳压器拓扑结构: 正,固定式
输出电压: 1.2V
输入电压: 最高 3.8V
电压 - 压降(标准): 0.205V @ 3A
稳压器数量: 1
电流 - 输出: 3A
电流 - 限制(最小): 3.3A
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-263-6,D²Pak(5 引线+接片),TO-263BA
供应商设备封装: TO-263-5
包装: 带卷 (TR)
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) ........................................ –0.3V to +4V
Bias Supply Voltage (V BIAS )............................. –0.3V to +6V
Enable Input Voltage (V EN )............................. –0.3V to V BIAS
Power Dissipation .....................................Internally Limited
Storage Temperature (T s ) ......................... –65°C to +150°C
ESD Rating (3) .................................................................. 3kV
MIC59300
Operating Ratings (2)
Supply Voltage (V IN )............................................ 1V to 3.8V
Bias Supply Voltage (V BIAS )................................. 3V to 5.5V
Enable Input Voltage (V EN ).................................. 0V to V BIAS
Junction Temperature (T J ) ..................–40°C ≤ T J ≤ +125°C
Package Thermal Resistance
EPAD SOIC ( θ JA ) ...............................................41°C/W
TO-263 ( θ JC )………………………………… ......6.3 ° C/W
Electrical Characteristics (4)
T A = 25°C with V BIAS = V OUT + 2.2V; V IN = V OUT + 1V; I LOAD = 10mA; bold values indicate 0°C ≤ T J ≤ 85°C, unless otherwise
specified.
Parameter
Condition
Min
Typ
Max
Units
Output Voltage Accuracy
(Fixed Voltage Options)
Line Regulation (V IN )
Line Regulation (V BIAS )
Room temperature
Over temperature range
V IN = V OUT + 1V to 3.8V
V BIAS = 3V to 5.5V (V OUT < 0.8V)
V BIAS = V OUT + 2.2V to 5.5V (V OUT ≥ 0.8V)
1
2
0.0015
0.035
1
2
0.1
0.3
%
%
%/V
%/V
Feedback Voltage
(Adjustable Output Voltage)
Output Voltage Load Regulation
V IN – V OUT ; Dropout Voltage
V BIAS – V OUT ; Dropout Voltage
V BIAS supply current
V BIAS shutdown current
V IN shutdown current
FB bias current
UVLO
Room temperature
Over temperature range
I L = 10mA to 3A (SOIC)
I L = 10mA to 3A (TO-263)
I L = 1.5A
I L = 3A (SOIC)
I L = 3A (TO-263)
I L = 3A
V EN = 2V, I L = 100mA
V EN = 2V, I L = 3A
V EN = 0V
V EN = 0V
Adj only
V BIAS rising
0.495
0.490
2.7
0.5
0.5
0.15
0.15
93
205
205
0.91
2
30
0.1
0.1
0.02
2.85
0.505
0.510
0.5
0.5
250
400
500
2.1
7.5
150
1
1
1
3.0
V
V
%
%
mV
mV
mV
V
mA
mA
μA
μA
μA
V
Hysteresis
100
mV
Current Limit
V OUT = 0V
3.3
4.7
9.0
A
Enable Input
Enable Input Threshold
Regulator enable
Regulator shutdown
1.6
0.85
0.75
0.3
V
V
Enable Pin Input Current
Independent of state
0.002
1
μA
AC Response
Large signal bandwidth
1
MHz
PSRR (BIAS) at 10kHz
PSRR (IN) at 10kHz
V BIAS = 3.3V, I OUT = 1.5A
V IN = V OUT + 1V, I OUT = 1.5A
V IN = V OUT + 0.3V, I OUT = 1.5A
45
65
55
dB
dB
dB
Thermal Shutdown
January 2009
4
145
°C
M9999-010809-A
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