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IRU1015-33 の電気的特性と機能

IRU1015-33のメーカーはInternational Rectifierです、この部品の機能は「1.5A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR」です。


製品の詳細 ( Datasheet PDF )

部品番号 IRU1015-33
部品説明 1.5A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
メーカ International Rectifier
ロゴ International Rectifier ロゴ 




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IRU1015-33 Datasheet, IRU1015-33 PDF,ピン配置, 機能
www.DataSheet4U.com
Data Sheet No. PD94123
IRU1015-33
FEATURES
Guaranteed < 1.3V Dropout at Full Load Current
Fast Transient Response
1% Voltage Reference Initial Accuracy
Output Current Limiting
Built-In Thermal Shutdown
APPLICATIONS
Standard 3.3V Chip Set and Logic Applications
1.5A LOW DROPOUT POSITIVE
FIXED 3.3V REGULATOR
DESCRIPTION
The IRU1015-33 is a low dropout three terminal fixed
3.3V output regulator with minimum of 1.5A output cur-
rent capability. This product is specifically designed to
provide well regulated supply for low voltage IC applica-
tions requiring 3.3V output. The IRU1015-33 is guaran-
teed to have <1.3V dropout at full load current making it
ideal to provide well regulated output with supply voltage
as low as 4.6V input.
TYPICAL APPLICATION
5V
C1
100uF
VIN 3
IRU1015-33 VOUT 2
Gnd 1
3.3V / 1.5A
C2
100uF
Figure 1 - Typical application of IRU1015-33.
PACKAGE ORDER INFORMATION
TJ (°C)
0 To 150
3-PIN PLASTIC
TO-220 (T)
IRU1015-33CT
3-PIN PLASTIC
TO-263 (M)
IRU1015-33CM
2-PIN PLASTIC
Ultra Thin-PakTM (P)
IRU1015-33CP
2-PIN PLASTIC
TO-252 (D-Pak)
IRU1015-33CD
Rev. 1.2
08/01/02
www.irf.com
1

1 Page





IRU1015-33 pdf, ピン配列
IRU1015-33
PIN DESCRIPTIONS
PIN # PIN SYMBOL PIN DESCRIPTION
1 Gnd This pin must be connected to ground plane using a low inductance short connection.
2
VOUT
The output of the regulator. A minimum of 10mF capacitor must be connected from this
pin to ground to insure stability.
3 VIN The input pin of the regulator. Typically a large storage capacitor is connected from this
pin to ground to insure that the input voltage does not sag below the minimum drop out
voltage during the load transient response. This pin must always be 1.3V higher than VOUT
in order for the device to regulate properly.
BLOCK DIAGRAM
VIN 3
2 VOUT
+
CURRENT
LIMIT
THERMAL
SHUTDOWN
1.25V +
1 Gnd
Figure 2 - Simplified block diagram of the IRU1015-33.
APPLICATION INFORMATION
Stability
The IRU1015-33 requires the use of an output capacitor as part of the frequency compensation in order to make the
regulator stable. Typical designs for microprocessor applications use standard electrolytic capacitors with a typical
ESR in the range of 50 to 100mV and an output capacitance of 500 to 1000mF. Fortunately as the capacitance
increases, the ESR decreases resulting in a fixed RC time constant. The IRU1015-33 takes advantage of this
phenomena in making the overall regulator loop stable. For most applications a minimum of 100mF aluminum
electrolytic capacitor such as Sanyo MVGX series, Panasonic FA series as well as the Nichicon PL series insures
both stability and good transient response.
Rev. 1.2
08/01/02
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7903
Visit us at www.irf.com for sales contact information
Data and specifications subject to change without notice. 02/01
www.irf.com
3


3Pages


IRU1015-33 電子部品, 半導体
IRU1015-33
A
A1
G
G1
CL
(P) Ultra Thin-PakTM
2-Pin
K
BH
D
C
E
M
L
P
V
N
R
SYMBOL
A
A1
B
C
D
E
G
G1
H
K
L
M
N
P
R
U
V
MIN MAX
5.91 6.17
5.54 5.79
6.02 6.27
1.70 2.03
0.63 0.79
0.17 0.33
2.16 2.41
4.45 4.70
9.42 9.68
0.76 1.27
0.02 0.13
0.89 1.14
0.25 0.25
0.94 1.19
28 68
2.92 3.30
5.08 NOM
NOTE: ALL MEASUREMENTS
ARE IN MILLIMETERS.
U
6 www.irf.com
Rev. 1.2
08/01/02

6 Page



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部品番号部品説明メーカ
IRU1015-33

1.5A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR

International Rectifier
International Rectifier


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