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IRU1117 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 800mA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR - International Rectifier

भाग संख्या IRU1117
समारोह 800mA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
मैन्युफैक्चरर्स International Rectifier 
लोगो International Rectifier लोगो 
पूर्व दर्शन
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IRU1117 pdf
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IRU1117
ABSOLUTE MAXIMUM RATINGS
Input Voltage (VIN) ....................................................
Power Dissipation .....................................................
Storage Temperature Range ......................................
Operating Junction Temperature Range .....................
7V
Internally Limited
-65°C To 150°C
0°C To 150°C
PACKAGE INFORMATION
2-PIN PLASTIC TO-252 (D-Pak) 2-PIN ULTRA THIN-PAKTM (P)
Tab is
VOUT
FRONT VIEW
3
FRONT VIEW
VIN 3 VIN
Tab is
VOUT
1 Adj
1 Adj
8-PIN PLASTIC SOIC (S)
TOP VIEW
VIN 1
8 VOUT
NC 2
7 VOUT
NC 3
6 VOUT
Adj 4
5 VOUT
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
3-PIN PLASTIC SOT-223 (Y)
Tab is
VOUT
TOP VIEW
3 VIN
2 VOUT
1 Adj
θJA=90°C/W for 0.4" Sq pad
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over CIN=1mF, COUT=10mF, and TJ=0 to 1508C.
Typical values refer to TJ=258C.
PARAMETER
Reference Voltage
Line Regulation
Load Regulation (Note 1)
Dropout Voltage (Note 2)
Current Limit
Minimum Load Current (Note 3)
Thermal Regulation
Ripple Rejection
Adjust Pin Current
Adjust Pin Current Change
Temperature Stability
Long Term Stability
RMS Output Noise
SYM
VREF
DVO
IADJ
TEST CONDITION
Io=10mA, TJ=258C, (VIN-Vo)=1.5V
Io=10mA, (VIN-Vo)=1.5V
Io=10mA, 1.3V<(VIN-Vo)<7V
VIN=3.3V, VADJ=0, 10mA<Io<800mA
Io=1A
Io=800mA, Note 2
VIN=3.3V, DVo=100mV
VIN=3.3V, VADJ=0V
30ms Pulse, VIN-Vo=3V, Io=800mA
f=120Hz, Co=25mF Tantalum,
Io=0.5A, VIN-Vo=3V
Io=10mA, VIN-Vo=1.5V, TJ=258C,
Io=10mA, VIN-Vo=1.5V
Io=10mA, VIN-Vo=1.5V, TJ=258C
VIN=3.3V, VADJ=0V, Io=10mA
TJ=1258C, 1000Hrs
TJ=25°C, 10Hz<f<10KHz
MIN
1.238
1.225
1.1
TYP
1.250
1.250
1.2
1.1
5
0.01
MAX
1.262
1.275
0.2
0.4
1.3
1.2
10
0.02
UNITS
V
%
%
V
A
mA
%/W
60 70
dB
55 120 mA
0.2 5 mA
0.5 %
0.3 1 %
0.003
%VO
Note 1: Low duty cycle pulse testing with Kelvin con-
nections is required in order to maintain accurate data.
Note 2: Dropout voltage is defined as the minimum dif-
ferential voltage between VIN and VOUT required to main-
tain regulation at VOUT. It is measured when the output
voltage drops 1% below its nominal value.
Note 3: Minimum load current is defined as the mini-
mum current required at the output in order for the out-
put voltage to maintain regulation. Typically, the resistor
dividers are selected such that it automatically main-
tains this current. Typically, the values of the resistors
used to build the voltage divider are selected to ensure
that minimum load current is maintained.
2
DataSheet4 U .com
www.irf.com
Rev. 1.8
02/04/03

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