iru1117-18 International Rectifier Corp., iru1117-18 Datasheet - Page 2
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iru1117-18
Manufacturer Part Number
iru1117-18
Description
800ma Dropout Positive Fixed 1.8v Regulator
Manufacturer
International Rectifier Corp.
Datasheet
1.IRU1117-18.pdf
(4 pages)
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IRU1117-18
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Vin) ....................................................
Power Dissipation .....................................................
Storage Temperature Range ......................................
Operating Junction Temperature Range .....................
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Cin=1µF, Vin=5V,Cout=10µF, and Tj=0 to 125!C.
Typical values refer to Tj=25!C.
PARAMETER
Output Voltage
Line Regulation
Load Regulation (Note 1)
Dropout Voltage (Note 2)
Current Limit
Thermal Regulation
Ripple Rejection
Temperature Stability
Long Term Stability
RMS Output Noise
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.
2
2-PIN PLASTIC TO-252 (D-Pak)
Tab is
Vout
JA
=70 C/W for 0.5" Sq pad
FRONT VIEW
3
1
Vin
Gnd
3-PIN PLASTIC SOT-223 (Y)
JA
Tab is
SYM
Vout
=90 C/W for 0.4" Sq pad
Vo
TOP VIEW
TEST CONDITION
Io=10mA, Tj=25!C
Io=10mA
Io=10mA, 4.75V<Vin<7V
10mA<Io<800mA
Io=1A
Io=800mA
dVo=100mV
30ms Pulse, Io=800mA
Io=0.5A
Io=10mA
Tj=125!C, 1000Hrs
Tj=25!C, 10Hz<f<10KHz
f=120Hz, Co=25µF Tantalum,
3
2
1
Vin
Vout
Gnd
Internally Limited
-65°C To 150°C
0°C To 125°C
7V
Tab is
2-PIN ULTRA THIN-PAK (P)
Vout
JA
=70 C/W for 0.5" Sq pad
FRONT VIEW
3
1
MIN
1.782 1.800
1.764 1.800
1.1
Vin
Gnd
TYP
0.01
0.003
1.2
1.1
0.5
0.3
70
8-PIN PLASTIC SOIC (S)
JA
Gnd
=55 C/W for 1" Sq pad
Vin
NC
NC
MAX
1.818
1.896
1
2
3
4
1.3
1.2
17
TOP VIEW
7
8
7
6
5
UNITS
%/W
%Vo
Vout
Vout
Vout
Vout
dB
mV
mV
%
%
06/29/01
Rev. 1.1
V
V
A