Input Supply Voltage ................................................................................................................................... –20V to +60V
Shutdown Input Voltage ............................................................................................................................. –0.3V to +30V
Error Comparator Output Voltage............................................................................................................... –0.3V to +30V
Operating Ratings ‡
Input Supply Voltage (Note
4)
....................................................................................................................... +2V to +26V
† Notice:
Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of the device at those or any other conditions above those indicated
in the operational sections of this specification is not intended. Exposure to maximum rating conditions for extended
periods may affect device reliability.
‡ Notice:
The device is not guaranteed to function outside its operating ratings.
Note 1:
The maximum allowable power dissipation of any T
A
(ambient temperature) is P
D(max)
= (T
J(max)
– T
A
)/θ
JA
.
Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the reg-
ulator will go into thermal shutdown.
2:
Circuit of MIC2941A Adjustable Regulator in the
Typical Application Circuits
section (upper right) with R1
≥
150 kΩ. V
SHUTDOWN
≥
2V and V
IN
≤
26V, V
OUT
= 0.
3:
When used in dual supply systems where the regulator load is returned to a negative supply, the output volt-
age must be diode clamped to ground.
4:
Across the full operating temperature, the minimum input voltage range for full output current is 4.3V to 26V.
Output will remain in regulation at lower output voltages and low current loads down to an input of 2V at
25°C.
TABLE 1-1:
ELECTRICAL CHARACTERISTICS
Electrical Characteristics:
Limits in standard typeface are for T
J
= +25°C and limits in
boldface
apply over the full
operating temperature range. Unless otherwise specified, V
IN
= V
OUT
+ 1V, I
L
= 1000 mA, C
L
= 10
μF.
The MIC2941A
is programmed to output 5V and has V
SHUTDOWN
0.6V.
Parameter
Output Voltage Accuracy
Output Voltage Temperature
Coefficient
Line Regulation
∆V
O
/V
O
Load Regulation
Symbol
V
O
∆V
O
/∆T
Min.
–1
–2
–2.5
—
—
—
—
—
—
—
Dropout Voltage,
Note 3
V
IN
– V
O
—
—
—
—
Typ.
—
—
—
20
0.06
0.04
—
60
—
200
—
350
—
400
Max.
1
2
2.5
100
0.50
0.16
0.20
150
180
250
320
450
600
600
mV
%
ppm/°C
%
Units
Conditions
—
—
5mA
≤
I
L
≤
1A
Note 1
I
O
= 10 mA,
(V
OUT
+ 1V)
≤
V
IN
≤
26V
I
L
= 5 mA to 1.25A
I
L
= 5 mA to 1A,
Note 2
I
L
= 5 mA
I
L
= 250 mA
I
L
= 1000 mA
I
L
= 1250 mA
DS20006000A-page 4
2018 Microchip Technology Inc.
MIC2940A/41A
TABLE 1-1:
ELECTRICAL CHARACTERISTICS (CONTINUED)
Electrical Characteristics:
Limits in standard typeface are for T
J
= +25°C and limits in
boldface
apply over the full
operating temperature range. Unless otherwise specified, V
For healthcare professionals, accurate diagnosis and treatment are crucial for a clear picture of a person's health. However, healthcare professionals often rely on tests at medical facilities, cli...[详细]
综合技术交流
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
