參數(shù)資料
型號(hào)： MCP1701A
廠商： Microchip Technology Inc.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 2??A Low-Dropout Positive Voltage Regulator
中文描述： 2μ低壓差正電壓穩(wěn)壓器
文件頁數(shù)： 3/22頁
文件大小： 531K
代理商： MCP1701A
2007 Microchip Technology Inc.
DS21991C-page 3
MCP1701A
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
Notice:
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.
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
= 150 mA, V
R
= 3.3V
I
OUT
= 150 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)
Δ
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
—
380
600
mV
—
400
630
—
400
700
—
400
700
—
400
700
—
180
300
Input Quiescent Current
I
Q
—
2.0
4.5
μA
Line Regulation
Δ
V
OUT
100
Δ
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
—
μs
10% V
R
to 90% V
R
, V
IN
= 0V to V
R
+1V,
R
L
= 25
Ω
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
*
Δ
Temperature), V
OUT-HIGH
= Highest voltage measured
over the temperature range. V
OUT-LOW
= 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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