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MIC29371-5.0BU Datasheet(PDF) 3 Page - Micrel Semiconductor

Part # MIC29371-5.0BU
Description  750mA Low-Dropout Voltage Regulator
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC29371-5.0BU Datasheet(HTML) 3 Page - Micrel Semiconductor

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MIC2937A/29371/29372
Micrel, Inc.
May 2006
3
MIC2937A/29371/29372
Electrical Characteristics
Limits in standard typeface are for T
J = 25°C and limits in boldface apply over the full operating temperature range. Unless other-
wise specified, V
IN = VOUT + 1V, IL = 5mA, CL = 10µF. The MIC29372 are programmed for a 5V output voltage, and VSHUTDOWN ≤ 0.6V
(MIC29371-xx and MIC29372 only).
Symbol
Parameter
Conditions
Min
Typical
Max
Units
V
O
Output Voltage
Variation from factory trimmed V
OUT
–1
1
%
Accuracy
–2
2
5mA ≤ I
L ≤ 500mA
–2.5
2.5
MIC2937A-12 and 29371-12 only:
–1.5
1.5
–3
3
5mA ≤ I
L ≤ 500mA
–4
4
ΔV
O
Output Voltage
(
Note 2)
20
100
ppm/°C
ΔT
Temperature Coef.
Output voltage > 10V
80
350
ΔV
O
Line Regulation
V
IN = VOUT + 1V to 26V
0.03
0.10
%
V
O
0.40
ΔV
O
Load Regulation
I
L = 5 to 500mA
0.04
0.16
%
V
O
(
Note 3)
0.30
V
IN – VO
Dropout Voltage
I
L = 5mA
80
150
mV
(
Note 4)
180
I
L = 100mA
200
Output voltage > 10V
240
I
L = 500mA
300
Output voltage > 10V
420
I
L = 750mA
370
600
750
I
GND
Ground Pin Current
I
L = 5mA
160
250
µA
(
Note 5)
300
I
L = 100mA
1
2.5
mA
3
I
L = 500mA
8
13
16
I
L = 750mA
15
25
I
GNDDO
Ground Pin
V
IN = 0.5V less than designed VOUT
200
500
µA
Current at Dropout
(V
OUT ≥ 3.3V)
(
Note 5)
I
O = 5mA
I
LIMIT
Current Limit
V
OUT = 0V
1.1
1.5
A
(
Note 6)
2
ΔV
O
Thermal Regulation
(
Note 7)
0.05
0.2
%/W
ΔP
D
e
n
Output Noise
C
L = 10µF
400
µV RMS
Voltage
(10Hz to 100kHz)
C
L = 100µF
260
I
L = 100mA
Absolute Maximum Ratings
Power Dissipation (
Note 1)...............................................Internally Limited
Lead Temperature (Soldering, 5 seconds).........................................260°C
Storage Temperature Range.............................................–65°C to +150°C
Operating Junction Temperature Range ..........................–40°C to +125°C
TO-220 θ
JC .....................................................................................2.5°C/W
TO-263 θ
JC .....................................................................................2.5°C/W
Input Supply Voltage..............................................................–20V to +60V
Operating Input Supply Voltage..................................................2Vto 26V
Adjust Input Voltage (
Notes 9 and 10).................................–1.5V to +26V
Shutdown Input Voltage .......................................................–0.3V to +30V
Error Comparator Output Voltage.........................................–0.3V to +30V
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.


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