參數(shù)資料
型號(hào)： MCP1701
廠商： Microchip Technology Inc.
英文描述： 2uA Low Dropoout Positive Voltage Refulator
中文描述： 五成低Dropoout正電壓Refulator
文件頁(yè)數(shù)： 3/20頁(yè)
文件大?。?/td> 385K
代理商： MCP1701
2004 Microchip Technology Inc.
DS21874A-page 3
MCP1701
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings
Input Voltage........................................................+12V
Output Current (Continuous)..........P
D
/(V
IN
– V
OUT
)mA
Output Current (peak)..................................... 500 mA
Output Voltage ............... (GND – 0.3V) to (V
IN
+ 0.3V)
Continuous Power Dissipation:
3-Pin SOT-23A............................................150 mW
3-Pin SOT-89 ..............................................500 mW
3-Pin TO-92.................................................300 mW
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device. These
are stress ratings only and functional operation of the device
at these or any other conditions above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
PIN FUNCTION TABLE
Symbol
Description
GND
V
OUT
V
IN
Ground Terminal
Regulated Voltage Output
Unregulated Supply Input
ELECTRICAL CHARACTERISTICS
Electrical Specifications:
Unless otherwise specified, all limits are established for an ambient temperature of T
A
= +25°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Output Voltage Regulation
V
OUT
I
OUT
MAX
V
R
– 2%
250
V
R
±0.5%
—
V
R
+ 2%
—
V
I
OUT
= 40 mA,
(Note 1)
V
OUT
= 5.0V (V
IN
= V
R
+ 1.0V)
V
OUT
= 4.0V
V
OUT
= 3.3V
V
OUT
= 3.0V
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 5.0V, 1 mA
≤
I
OUT
≤
100 mA
V
OUT
= 4.0V, 1 mA
≤
I
OUT
≤
100 mA
V
OUT
= 3.3V, 1 mA
≤
I
OUT
≤
80 mA
V
OUT
= 3.0V, 1 mA
≤
I
OUT
≤
80 mA
V
OUT
= 2.5V, 1 mA
≤
I
OUT
≤
60 mA
V
OUT
= 1.8V, 1 mA
≤
I
OUT
≤
30 mA
I
OUT
= 200 mA, V
R
= 5.0V
I
OUT
= 200 mA, V
R
= 4.0V
I
OUT
= 160 mA, V
R
= 3.3V
I
OUT
= 160 mA, V
R
= 3.0V
I
OUT
= 120 mA, V
R
= 2.5V
I
OUT
= 20 mA, V
R
= 1.8V
V
IN
= V
R
+ 1.0V
I
OUT
= 40 mA, (V
R
+1)
≤
V
IN
≤
10.0V
Maximum Output Current
mA
200
—
—
150
—
—
150
—
—
125
—
—
110
—
—
Load Regulation
(Note 3)
V
OUT/
V
OUT
-1.60
±0.8
+1.60
%
-2.25
±1.1
+2.25
-2.72
±1.3
+2.72
-3.00
±1.5
+3.00
-3.60
±1.8
+3.60
-1.60
±0.8
+1.60
Dropout Voltage
V
IN
- V
OUT
—
400
630
mV
—
400
630
—
400
700
—
400
700
—
400
700
—
180
300
Input Quiescent Current
I
Q
—
2.0
3.0
μA
Line Regulation
V
OUT
100
V
IN
V
OUT
V
IN
TCV
OUT
—
0.2
0.3
%/V
Input Voltage
—
—
10
V
Temperature Coefficient of
Output Voltage
—
±100
—
ppm/
°C
I
OUT
= 40 mA, -40°C
≤
T
A
≤ +
85°C,
(Note 2)
Output Rise Time
T
R
—
200
—
μsec
10% V
R
to 90% V
R
, V
IN
= 0V to V
R
+1V,
R
L
= 25
resistive.
1:
V
R
is the nominal regulator output voltage. For example: V
R
= 1.8V, 2.5V, 3.3V, 4.0V, 5.0V.
The input voltage V
IN
= V
R
+ 1.0V, I
OUT
= 40 mA.
TCV
OUT
= (V
OUT-HIGH
– V
OUT-LOW
) *10
6
/(V
R
*
Temperature), V
OUT-HIGH
is equal to the highest voltage measured
over the temperature range, while V
OUT-LOW
is equal to the lowest voltage measured over the temperature range.
Load regulation is measured at a constant junction temperature using low duty cycle pulse testing.
2:
3:
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