MIC2937A Micrel Semiconductor, MIC2937A Datasheet - Page 3

• Manufacturer Part Number: MIC2937A
• Description: 750mA Low-Dropout Voltage Regulator
• Manufacturer: Micrel Semiconductor

MIC2937A/29371/29372
Electrical Characteristics
MIC2937A/29371/29372
Limits in standard typeface are for T
Unless otherwise specified, V
and V
Symbol
V
V
V
V
I
I
I
e
GND
GNDDO
LIMIT
n
V
T
V
V
V
P
O
O
O
IN
O
O
O
O
D
SHUTDOWN
– V
O
0.6V (MIC29371-xx and MIC29372 only).
Parameter
Output Voltage
Accuracy
Output Voltage
Temperature Coef.
Line Regulation
Load Regulation
Dropout Voltage
(Note 4)
Ground Pin Current I
(Note 5)
Ground Pin
Current at Dropout
(Note 5)
Current Limit
Thermal Regulation (Note 7)
Output Noise
Voltage
(10Hz to 100kHz)
I
L
= 100mA
IN
= V
OUT
J
= 25 C and limits in boldface apply over the full operating temperature range.
Conditions
Variation from factory trimmed V
5mA
MIC2937A-12 and 29371-12 only:
5mA
(Note 2)
V
I
(Note 3)
I
I
I
I
I
I
I
V
(V
I
V
(Note 6)
C
C
+ 1V, I
L
L
L
L
L
L
L
L
L
O
IN
IN
OUT
L
L
= 5 to 500mA
= 750mA
= 5mA
= 100mA
= 500mA
= 5mA
= 100mA
= 500mA
= 750mA
OUT
= 5mA
= 10 F
= 100 F
= V
= 0.5V less than designed V
= 0V
L
OUT
I
I
3.3V)
L
L
= 5mA, C
+ 1V to 26V
500mA
500mA
Output voltage > 10V
Output voltage > 10V
Output voltage > 10V
L
= 10 F. The MIC29372 are programmed for a 5V output voltage,
20
OUT
OUT
–2.5
–1.5
Min
–1
–2
–3
–4
Typical
0.03
0.04
0.05
200
240
300
420
370
160
200
400
260
1.1
20
80
80
15
1
8
Max
0.10
0.40
0.16
0.30
100
350
150
180
600
750
250
300
500
2.5
1.5
2.5
1.5
0.2
13
16
25
1
2
3
4
3
2
October 1999
ppm/ C
V RMS
Units
%/W
Micrel
mV
mA
%
%
%
A
A
A