参数资料
型号: MIC68220YML TR
厂商: Micrel Inc
文件页数: 7/17页
文件大小: 0K
描述: IC REG LDO ADJ 1A 20MLF
标准包装: 1
稳压器拓扑结构: 正,可调式
输出电压: 0.5 V ~ 5.5 V
输入电压: 1.65 V ~ 5.5 V
电压 - 压降(标准): 0.3V @ 2A
稳压器数量: 2
电流 - 输出: 1A
电流 - 限制(最小): 2A
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-VFDFN,20-MLF?
供应商设备封装: 20-MLF?(4x5)
包装: 标准包装
产品目录页面: 1109 (CN2011-ZH PDF)
其它名称: 576-1612-6
Micrel
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) .........................................................6V
Enable Input Voltage (V EN )............................. 0 to V IN + 0.3V
POR (V POR )........................................................... V IN + 0.3V
RC ....................................................................... V IN + 0.3V
Power Dissipation .................................. Internally Limited (3)
Junction Temperature .........................–40°C ≤ T J ≤ +125°C
Storage Temperature (T S )...................–65°C ≤ T J ≤ +150°C
ESD Rating (4) ................................................................ 2KV
MIC68220
Operating Ratings (2)
Supply voltage (V IN ) ....................................... 1.65V to 5.5V
Enable Input Voltage (V EN )..................................... 0V to V IN
Ramp Control (V RC )............................................. 0V to 5.5V
Junction Temperature Range ............–40°C ≤ T J ≤ +125°C
Package Thermal Resistance
4x5 MLF-20 ( θ JA ) ..............................................44°C/W
Electrical Characteristics (5)
T A = 25°C with V IN = V OUT + 1V; V EN = V IN ; I OUT = 10mA; bold values indicate –40°C ≤ T J ≤ +125°C, unless noted.
Parameter
Output Voltage Accuracy
Feedback Voltage
Feedback Current
Output Voltage Line Regulation
Output Voltage Load Regulation
V IN – V O ; Dropout Voltage
Ground Pin Current
Shutdown Current
Current Limit
Start-up Time
Conditions
10mA < I OUT < I L(max) , V OUT + 1 ≤ V IN ≤ 5.5V
Adjustable version only
Adjustable version only
V IN = V OUT + 1V to 5.0V
I L = 10mA to 2A
I L = 500mA
I L = 1.0A
I L = 2.0A
I L = 10mA
I L = 500mA
I L = 1.0A
I L = 2.0A
V EN = 0V; V OUT = 0V
V OUT = 0V; V IN = 3.0V
V EN = V IN ; C RC = Open
Min
-2
0.49
2.0
Typ
0.50
10
0.06
0.3
140
200
300
1.5
7
15
42
0.01
3.4
25
Max
+2
0.51
0.5
1
250
400
600
15
30
80
10
6.0
150
Units
%
V
nA
V
%
mV
mV
mV
mA
mA
mA
mA
μA
A
μs
Enable Input
Enable Input Threshold
Regulator enable
Regulator shutdown
1
0.2
V
V
Enable Hysteresis
Enable Input Current
V IL ≤ 0.2V (Regulator shutdown)
V IH ≥ 1V (Regulator enable)
50
100
0.8
2
250
mV
μA
μA
POR Output
I POR(LEAK)
V POR = 5.5V; POR = High
1
2
μA
μA
V POR(LO)
Output Logic-Low Voltage (undervoltage condition),
I POR = 1mA
60
90
mV
V POR :
V OUT Ramping Up
V OUT Ramping Down
Threshold, % of V OUT below nominal
7.5
10
10
12.5
12.5
15
%
%
Delay Current
Delay Voltage ( Note 6 )
V DELAY = 0.75V
V POR = High
0.7
1.185
1
1.235
1.3
1.285
μA
V
September 2010
7
M9999-092310-C
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