IRU1010-18CDPBF [INFINEON]
Fixed Positive LDO Regulator, 1.8V, 1.3V Dropout, PSSO2, PLASTIC, TO-252, DPAK-3;
| 型号： | IRU1010-18CDPBF |
| 厂家： | 
Infineon |
| 描述： | Fixed Positive LDO Regulator, 1.8V, 1.3V Dropout, PSSO2, PLASTIC, TO-252, DPAK-3 输出元件 调节器 |
| 文件： | 总9页 (文件大小：113K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Data Sheet No. PD94135
IRU1010-18 & (PbF)
1A LOW DROPOUT POSITIVE
FIXED 1.8V REGULATOR
FEATURES
DESCRIPTION
Guaranteed < 1.3V Dropout at Full Load Current
Fast Transient Response
The IRU1010-18 is a low dropout three-terminal fixed out-
put regulator with minimum of 1A output current capabil-
ity. This product is specifically designed to provide well
regulated supply for low voltage IC applications as well
as generating clock supply for PC applications. The
IRU1010-18 is guaranteed to have <1.3V dropout at full
load current making it ideal to provide well regulated with
3.8V input supply. The IRU1010-18 is specifically de-
signed to be stable with low cost aluminum capacitors
while maintaining stability with low ESR tantalum caps.
1% Voltage Reference Initial Accuracy
Built-In Thermal Shutdown
Available in SOT-223, D-Pak, Ultra Thin-PakTM
and 8-Pin SOIC Surface-Mount Packages
APPLICATIONS
Low Voltage IC Supply Applications
DSP Core Voltage
8-Lead SOIC (IRU1010-18CS) is also available
LEAD-FREE
TYPICAL APPLICATION
3.3V
C1
10uF
VIN
3
IRU1010-18
VOUT
1.8V / 1A
2
C2
10uF
Gnd
1
Figure 1 - Typical set-up of the IRU1010-18 in a 3.3V to 1.8V regulator application.
Rev. 1.4
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1
3/14/2005
IRU1010-18 & (PbF)
ABSOLUTE MAXIMUM RATINGS
Input Voltage (VIN) .................................................... 7V
Power Dissipation ..................................................... Internally Limited
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 125°C
PACKAGE INFORMATION
2-PIN PLASTIC TO-252 (D-Pak) 2-PIN ULTRA THIN-PAKTM (P)
8-PIN PLASTIC SOIC (S)
3-PIN PLASTIC SOT-223 (Y)
3
3
V
IN
V
IN
1
2
3
4
8
7
6
5
V
IN
V
OUT
OUT
OUT
OUT
3
V
IN
NC
NC
Tab is
V
Tab is
Tab is
2
1
VOUT
V
OUT
VOUT
V
V
V
OUT
Gnd
Gnd
1
1
Gnd
Gnd
θJA=70°C/W for 0.5" Sq pad
θJA=70°C/W for 0.5" Sq pad
θJA=55°C/W for 1" Sq pad
θJA=90°C/W for 0.4" Sq pad
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over CIN=1µF, VIN=5V, COUT=10µF and TJ=0 to 1258C.
Typical values refer to TJ=258C.
PARAMETER
SYM
Vo
TEST CONDITION
MIN
TYP MAX UNITS
Io=10mA, TJ=258C
1.782 1.800 1.818
V
Output Voltage
Io=10mA
Io=10mA, 4.75V<VIN<7V
10mA<Io<1A
1.764 1.800 1.836
7
mV
mV
V
Line Regulation
17
Load Regulation (Note 1)
Dropout Voltage (Note 2)
Current Limit
Io=1A
1.3
∆Vo=100mV
1.1
A
30ms Pulse, Io=1A
f=120Hz, Co=25µF Tantalum,
Io=0.5A
0.01
%/W
Thermal Regulation
Ripple Rejection
70
0.5
dB
%
Io=10mA
TJ=1258C, 1000Hrs
TJ=258C, 10Hz<f<10KHz
Temperature Stability
Long Term Stability
RMS Output Noise
0.3
%
0.003
%Vo
Note 1: Low duty cycle pulse testing with Kelvin connections is required in order to maintain accurate data.
Note 2: Dropout voltage is defined as the minimum differential voltage between VIN and VOUT required to maintain
regulation at VOUT. It is measured when the output voltage drops 1% below its nominal value.
Rev. 1.4
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2
3/14/2005
IRU1010-18 & (PbF)
PIN DESCRIPTIONS
PIN# PIN SYMBOL PIN DESCRIPTION
Ground pin. This pin must be connected to ground plane using a low inductance short
1
2
3
Gnd
VOUT
VIN
connection.
The output of the regulator. This pin is also connected to the tab of the package. An output
capacitor must be connected to this pin to insure stability of the regulator.
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 dropout 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
+
+
1.25V
CURRENT
LIMIT
THERMAL
SHUTDOWN
1 Gnd
Figure 2 - Simplified block diagram of the IRU1010-18.
Rev. 1.4
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3
3/14/2005
IRU1010-18 & (PbF)
(D) TO-252 Package
2-Pin
K
A
B
C
L
M
N
78
458
D
J
E
O
P
Q
R
G
F
S
H
R1
SYMBOL
MIN
MAX
A
B
C
D
E
6.477 6.731
5.004 5.207
0.686 0.838
7.417 8.179
C
L
9.703 10.084
0.635 0.889
2.286 BSC
4.521 4.623
&1.52 &1.62
2.184 2.388
0.762 0.864
1.016 1.118
5.969 6.223
1.016 1.118
F
G
H
J
K
L
M
N
O
P
0
0.102
Q
R
R1
S
0.534 0.686
R0.31 TYP
R0.51 TYP
0.428 0.588
NOTE: ALL MEASUREMENTS
ARE IN MILLIMETERS.
Rev. 1.4
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4
3/14/2005
IRU1010-18 & (PbF)
(P) Ultra Thin-PakTM
2-Pin
A
A1
E
U
K
B
V
H
M
L
P
G
D
G1
N
R
C
C
L
SYMBOL
MIN
5.91
5.54
6.02
1.70
0.63
0.17
2.16
4.45
9.42
0.76
0.02
0.89
0.25
0.94
28
MAX
6.17
5.79
6.27
2.03
0.79
0.33
2.41
4.70
9.68
1.27
0.13
1.14
0.25
1.19
68
A
A1
B
C
D
E
G
G1
H
K
L
M
N
P
R
U
V
2.92
5.08 NOM
3.30
NOTE: ALL MEASUREMENTS
ARE IN MILLIMETERS.
Rev. 1.4
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3/14/2005
IRU1010-18 & (PbF)
(S) SOIC Package
8-Pin Surface Mount, Narrow Body
H
A
B
C
E
DETAIL-A
L
D
PIN NO. 1
DETAIL-A
I
0.38
6
0.015 x 45
8
K
T
F
J
G
8-PIN
MIN
SYMBOL
MAX
A
B
C
D
E
F
G
H
I
4.80
4.98
1.27 BSC
0.53 REF
0.36
0.46
3.99
1.72
0.25
3.81
1.52
0.10
78 BSC
0.19
5.80
08
0.41
1.37
0.25
6.20
88
1.27
1.57
J
K
L
T
NOTE: ALL MEASUREMENTS
ARE IN MILLIMETERS.
Rev. 1.4
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6
3/14/2005
IRU1010-18 & (PbF)
(Y) SOT-223 Package
3-Pin
SYMBOL
MIN
MAX
D
B
A
A1
B
B1
C
1.498 1.702
0.02
2.895
0.637
0.239 0.381
6.299 6.706
0.11
3.15
0.85
D
E
e
e1
H
Q
3.30
2.209 2.953
4.496 4.699
6.70
08
3.708
H
E
7.30
108
Q1
Q2
S
78
78
0.838
1.092
168
168
1.05
1.30
T
e
S
NOTE: ALL MEASUREMENTS
ARE IN MILLIMETERS.
e1
B1
Q1
T
A
Q
C
A1
Q2
Rev. 1.4
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3/14/2005
IRU1010-18 & (PbF)
PACKAGE SHIPMENT METHOD
PKG
PACKAGE
PIN
PARTS
PARTS
PER REEL
2500
T & R
Orientation
Fig A
DESIG
DESCRIPTION
COUNT
PER TUBE
D
P
S
Y
TO-252, (D-Pak)
2
2
8
3
75
75
95
80
Ultra Thin-PakTM
SOIC, Narrow Body
SOT-223
2500
2500
2500
Fig B
Fig C
Fig D
1
1
1
1
1
1
Feed Direction
Figure A
Feed Direction
Figure B
1
1
1
1
1
1
Feed Direction
Figure D
Feed Direction
Figure C
Rev. 1.4
3/14/2005
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8
IRU1010-18 & (PbF)
PACKAGE ORDER INFORMATION
Basic Part (Non-Lead Free)
TJ (°C)
2-PIN PLASTIC
2-PIN PLASTIC
8-PIN PLASTIC
3-PIN PLASTIC
SOT-223 (Y)
TO-252 (D-Pak) Ultra Thin-PakTM (P)
SOIC (S)
0 To 125
IRU1010-18CD
IRU1010-18CP
IRU1010-18CS
IRU1010-18CY
Leadfree Part
TJ (°C)
2-PIN PLASTIC
2-PIN PLASTIC
8-PIN PLASTIC
SOIC (S)
3-PIN PLASTIC
SOT-223 (Y)
Not available
TO-252 (D-Pak) Ultra Thin-PakTM (P)
0 To 125
Not available
Not available
IRU1010-18CSPbF
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. 3/21/2005
Rev. 1.4
www.irf.com
9
3/14/2005
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