參數(shù)資料
型號(hào)： MIC49200-1.0WR
廠商： MICREL INC
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： 2A LOW VOLTAGE LDO WITH DUAL INPUT VOLTAGES
中文描述： 1 V FIXED POSITIVE LDO REGULATOR, 0.625 V DROPOUT, PSSO5
封裝： ROHS COMPLIANT, S-5
文件頁(yè)數(shù)： 3/12頁(yè)
文件大?。?/td> 333K
代理商： MIC49200-1.0WR
Micrel, Inc.
MIC49200
Absolute Maximum Ratings
(1)
Supply Voltage (V
IN
)................................................ 8V
Bias Supply Voltage (V
BIAS
)..................................... 8V
Enable Input Voltage (V
EN
)...................................... 8V
Power Dissipation............................. Internally Limited
ESD Rating
(3)
.........................................................3kV
January 2006
3
M9999-011306
(408) 955-1690
Operating Ratings
(2)
Supply voltage (V
IN
)....................................1.4V to 6.5V
Bias Supply Voltage (V
BIAS
)...........................3V to 6.5V
Enable Input Voltage (V
EN
)............................0V to 6.5V
Junction Temperature...................-40°C
≤
T
J
≤
+125°C
Package Thermal Resistance
S-Pak (
θ
JA
) .................................................2°C/W
Electrical Characteristics
(4)
T
A
= 25°C with V
BIAS
= V
OUT
+ 2.2V; V
IN
= V
OUT
+ 1V;
bold
values indicate –40°C
≤
T
J
≤
+125°C
(5)
, unless noted.
Parameter
Conditions
Min
-1
-2
Typ
Max
+1
+2
Units
Output Voltage Accuracy
At 25°C
Over temperature range (I
OUT
= 10mA)
%
%
Line Regulation
V
IN
= V
OUT
+ 1V to 6.5V
I
L
= 10mA to 2A
-0.1
0.01
+0.1
%/V
Load Regulation
0.2
1
1.5
%
%
Dropout Voltage (V
IN
– V
OUT
)
(Note 5)
I
L
= 750mA
I
L
= 1.5A
I
L
= 2A
130
280
400
200
300
400
500
530
625
1.9
2.1
2.0
2.2
25
30
mV
mV
mV
mV
mV
mV
Dropout Voltage (V
BIAS
– V
OUT
)
(Note 5)
I
L
= 750mA
I
L
= 1.5A
I
L
= 2A
1.3
1.65
1.75
V
V
V
V
V
Ground Current
(Note 6)
I
L
= 0mA
I
L
= 2A
V
EN
≤
0.6V, (V
BIAS
+ I
INPUT
)
(Note 7)
15
15
mA
mA
mA
Ground Pin Current in Shutdown
0.5
1
2
μA
μA
Current thru V
BIAS
I
L
= 0mA
I
L
= 2A
V
OUT
= 0V
9
40
15
25
120
mA
mA
mA
Current Limit
2.5
3.5
5.3
6
0.6
A
A
Enable Input Threshold
Regulator enable
Regulator shutdown
1.6
V
V
Enable Pin Input Current
Reference
Independent of state
0.1
1
μA
Reference Voltage
Adjustable version
0.891
0.882
0.9
0.909
0.918
V
V
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