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부품번호 | MC33269 기능 |
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기능 | 800 mA LOW DROPOUT THREE-TERMINAL VOLTAGE REGULATORS | ||
제조업체 | Motorola Semiconductors | ||
로고 | |||
전체 8 페이지수
Order this document by MC33269/D
Advance Information
Low Dropout Positive
Fixed and Adjustable
Voltage Regulators
The MC33269 series are low dropout, medium current, fixed and
adjustable, positive voltage regulators specifically designed for use in low
input voltage applications. These devices offer the circuit designer an
economical solution for precision voltage regulation, while keeping power
losses to a minimum.
The regulator consists of a 1.0 V dropout composite PNP–NPN pass
transistor, current limiting, and thermal shutdown.
• 3.3 V, 5.0 V, 12 V and Adjustable Versions
• Space Saving DPAK, SOP–8 and SOT–223 Power Packages
• 1.0 V Dropout
• Output Current in Excess of 800 mA
• Thermal Protection
• Short Circuit Protection
• Output Trimmed to 1.0% Tolerance
• No Minimum Load Requirement for Fixed Voltage Output Devices
Device
ORDERING INFORMATION
Operating
Temperature Range
Package
MC33269D
MC33269DT
MC33269ST
MC33269T
MC33269D–3.3
MC33269DT–3.3
MC33269ST–3.3
MC33269T–3.3
MC33269D–5.0
MC33269DT–5.0
MC33269T–5.0
MC33269ST–5.0
MC33269D–12
MC33269DT–12
MC33269T–12
MC33269ST–12
TJ = – 40° to +125°C
SOP–8
DPAK
SOT–223
Insertion Mount
SOP–8
DPAK
SOT–223
Insertion Mount
SOP–8
DPAK
Insertion Mount
SOT–223
SOP–8
DPAK
Insertion Mount
SOT–223
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
MC33269D
MC33269DT
MC33269T
MC33269ST
MC33269D–3.3
MC33269DT–3.3
MC33269T–3.3
MC33269ST–3.3
Adj
Adj
Adj
Adj
3.3 V
3.3 V
3.3 V
3.3 V
MC33269D–5.0
MC33269DT–5.0
MC33269T–5.0
MC33269ST–5.0
MC33269D–12
MC33269DT–12
MC33269T–12
MC33269ST–12
5.0 V
5.0 V
5.0 V
5.0 V
12 V
12 V
12 V
12 V
MC33269
800 mA
LOW DROPOUT
THREE–TERMINAL
VOLTAGE REGULATORS
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SOP–8)
Gnd/Adj 1
2
Vout
3
Vin 4
8 NC
7
Vout
6
5 NC
(Top View)
1
3
DT SUFFIX
PLASTIC PACKAGE
CASE 369A
(DPAK)
1. Gnd/Adj
123
(Top View)
2. Vout
3. Vin
1
ST SUFFIX
PLASTIC PACKAGE
CASE 318E
(SOT–223)
3
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
T SUFFIX
PLASTIC PACKAGE
CASE 221A
1
2
3
Pin: 1. Gnd/Adj
2. Vout
3. Vin
123
(Top View)
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
This document contains information on a new product. Specifications and information herein
arMe OsuTbjOecRt tOo cLhAangAeNwAithLoOut GnotIiCce.DEVICE DATA
© Motorola, Inc. 1997
Rev 4
1
Figure 1. Dropout Voltage versus
Output Load Current
1.5
1.3
1.1 TA = 25°C
0.9
TA = –40°C
TA = 125°C
0.7
0.5
0 200 400 600 800
IO, OUTPUT LOAD CURRENT (mA)
MC33269
1000
Figure 2. Transient Load Regulation
Cin = 10 µF
CO = 10 µF Tantalum
Vin = VO + 3.0 V
Preload = 0.1 A
100
mV/Div
0.5 A
20 ms/DIV
0A
Figure 3. Dropout Voltage
versus Temperature
1100
IO = 800 mA
1060
1020
980
940
900
–55
–25 0
25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
125
Figure 4. MC33269–XX Output DC Current versus
Input–Output Differential Voltage
1.6
1.4
1.2
1.0 TA = 25°C
0.8
MC33269D–XX
L = 25 mm Copper
0.6
0.4
0.2
0
0 2.0 4.0 6.0 8.0 10 12 14 16
INPUT–OUTPUT VOLTAGE DIFFERENTIAL (V)
Figure 5. MC33269 Ripple Rejection
versus Frequency
70
VO = 3.3 V or 5.0 V
60
VO = 12 V
50
40 Vin = VO + 3.0 V
IL = 800 mA
TA = 25°C
30
20
0.1 1.0 10 100
f, FREQUENCY (kHz)
Figure 6. MC33269–ADJ Ripple Rejection
versus Frequency
70
60
50
Vin = 8.0 V
Vout = 5.0 V
40 IL = 800 mA
CAdj = 22 µF
TA = 25°C
30
20
0.1 1.0
10 100
f, FREQUENCY (kHz)
4 MOTOROLA ANALOG IC DEVICE DATA
4페이지 MC33269
OUTLINE DIMENSIONS
D SUFFIX
PLASTIC PACKAGE
CASE 751–05
(SOP–8)
ISSUE R
AD
8
E
1
5
H
4
0.25 M B M
Be
h X 45 _
q
CA
SEATING
PLANE
A1 B
0.10
0.25 M C B S A S
C
L
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. DIMENSIONS ARE IN MILLIMETERS.
3. DIMENSION D AND E DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE B DIMENSION AT MAXIMUM MATERIAL
CONDITION.
MILLIMETERS
DIM MIN MAX
A 1.35 1.75
A1 0.10 0.25
B 0.35 0.49
C 0.18 0.25
D 4.80 5.00
E 3.80 4.00
e 1.27 BSC
H 5.80 6.20
h 0.25 0.50
L 0.40 1.25
q 0_ 7_
DT SUFFIX
PLASTIC PACKAGE
CASE 369A–13
(DPAK)
ISSUE Y
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 –––
MOTOROLA ANALOG IC DEVICE DATA
7
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