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PDF MC33275 Data sheet ( Hoja de datos )

Número de pieza MC33275
Descripción LOW DROPOUT MICROPOWER VOLTAGE REGULATOR
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MC33275
Low Dropout 300 mA
Voltage Regulator
The MC33275 series are micropower low dropout voltage
regulators available in a wide variety of output voltages as well as
packages, DPAK, SOT–223, and SOP–8 surface mount packages.
These devices feature a very low quiescent current and are capable of
supplying output currents up to 300 mA. Internal current and thermal
limiting protection are provided by the presence of a short circuit at the
output and an internal thermal shutdown circuit.
The MC33275 is available as a MC33375 which includes an On/Off
control.
Due to the low input–to–output voltage differential and bias current
specifications, these devices are ideally suited for battery powered
computer, consumer, and industrial equipment where an extension of
useful battery life is desirable.
Features:
• Low Quiescent Current (125 mA)
• Low Input–to–Output Voltage Differential of 25 mV at IO = 10 mA,
and 260 mV at IO = 300 mA
• Extremely Tight Line and Load Regulation
• Stable with Output Capacitance of only 0.33 mF for 2.5 V Output
Voltage
• Internal Current and Thermal Limiting
Simplified Block Diagram
Vin
Vout
Thermal &
Anti–sat
Protection
Rint
1.23 V
V. Ref.
54 K
Gnd
This device contains 41 active transistors
http://onsemi.com
LOW DROPOUT
MICROPOWER VOLTAGE
REGULATOR
1
3
Gnd
4
4
MC33275
12
3
Vin Gnd Vout
PLASTIC
DT SUFFIX
CASE 369A
Gnd
4
4
1
3
MC33375
123
Vin Gnd Vout
PLASTIC
ST SUFFIX
CASE 318E
8
1
1
Input
2
Gnd
3
Gnd
4
Gnd
8
Output
7
Gnd
MC33375 6
Gnd
5
N/C
Pins 4 and 5 Not Connected
PLASTIC
D SUFFIX
CASE 751
ORDERING INFORMATION
See detailed ordering and shipping information in the
package dimensions section on page 9 of this data sheet.
© Semiconductor Components Industries, LLC, 2000
March, 2000 – Rev. 4
1
Publication Order Number:
MC33275/D

1 page




MC33275 pdf
MC33275
Figure 7. Dropout Voltage versus Temperature
300
250
IL = 300 mA
200
IL = 250 mA
150
IL = 100 mA
100
50
0
–40
IL = 10 mA
0 25
TEMPERATURE (°C)
85
Figure 8. Ground Pin Current versus
Input Voltage
12
10
8
IL = 300 mA
6
4
IL = 100 mA
2
IL = 50 mA
0
0 1 2 3 4 5 6 78
Vin (VOLTS)
Figure 9. Ground Pin Current versus
Ambient Temperature
8
7
IL = 250 mA
6
5
4
3
IL = 100 mA
2
1 IL = 50 mA
0
–40 –20 0 20 40 60 80 100 120 140
TA (°C)
Figure 10. Output Voltage versus Ambient
Temperature (Vin = Vout1 +1V)
2.5
2.495
IO = 0
2.49
2.485
IO = 250 mA
2.48
2.475
2.47
–40
0 25
TEMPERATURE (°C)
85
http://onsemi.com
5

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MC33275 arduino
MC33275
PACKAGE DIMENSIONS
DT SUFFIX
PLASTIC PACKAGE
CASE 369A–13
(DPAK)
ISSUE Z
B
VR
–T–
SEATING
PLANE
C
E
S
F
4
1 23
A
K
J
LH
D 2 PL
G 0.13 (0.005) M T
U
Z
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
INCHES
DIM MIN MAX
A 0.235 0.250
B 0.250 0.265
C 0.086 0.094
D 0.027 0.035
E 0.033 0.040
F 0.037 0.047
G 0.180 BSC
H 0.034 0.040
J 0.018 0.023
K 0.102 0.114
L 0.090 BSC
R 0.175 0.215
S 0.020 0.050
U 0.020 –––
V 0.030 0.050
Z 0.138 –––
MILLIMETERS
MIN MAX
5.97 6.35
6.35 6.73
2.19 2.38
0.69 0.88
0.84 1.01
0.94 1.19
4.58 BSC
0.87 1.01
0.46 0.58
2.60 2.89
2.29 BSC
4.45 5.46
0.51 1.27
0.51 –––
0.77 1.27
3.51 –––
http://onsemi.com
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