iru1247-25 International Rectifier Corp., iru1247-25 Datasheet - Page 2

• Manufacturer Part Number: iru1247-25
• Description: Fixed Adjustable Dual Voltage Regulator
• Manufacturer: International Rectifier Corp.

IRU1246 / IRU1247-18 / IRU1247-25
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range .....................
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vin=5.0V, Cin=Cout=4.7µF. Typical values refer to
T
PARAMETER
Output Voltage #1
Output Voltage #1
Output Voltage #2(IRU1246)
Output Voltage #2(IRU1246)
Output Voltage #2(IRU1247-18)
Output Voltage #2(IRU1247-18)
Output Voltage #2(IRU1247-25)
Output Voltage #2(IRU1247-25)
Line Regulation
Load Regulation
Dropout Voltage (Output #1)
Dropout Voltage (Output #2)
Current Limit (Output #1)
Current Limit (Output #2)
Minimum Load Current
(Output #1)
Minimum Load Current
(Output #2)
Thermal Regulation
Ripple Rejection
(Vcc to Output #1)
Ripple Rejection
(Vcc to Output #2)
Temperature Stability
Long Term Stability
RMS Output Noise
Vin Quiescent current
2
J
=25°C. I
5-PIN PLASTIC TO-252 (D-Pak)
FRONT VIEW
JA
IRU1246
=358C/W with 1" Copper area
FL1
5
4
3
2
1
=2A, I
Vout1
Vout2
Gnd
Vadj
Vin
IN
) ....................................................
FL2
=2A
FRONT VIEW
IRU1247
5
4
3
2
1
Stab
Stab
Reg
Reg
Reg
PSRR
PSRR
Io
Io
V
V
SYM
Vo
Vo
Vo
Vo
Vo
Vo
Vo
Vo
Io
Io
Vn
1(MIN)
2(MIN)
I
Vout2
Vout1
Gnd
NC
Vin
DO1
DO2
Q1
L1
L2
LOAD
therm
TEMP
LONG
LINE
1
1
2
2
2
2
2
2
1
2
Io
Io
Io
Io
Io
Io
Io
Io
Io=10mA, Vcc ±5%
Note 1, 10mA<Io<I
Note 2, Io
Note 2, Io
∆Vo
∆Vo
Note 3, 5
Note 3, 5
Note 5, 30ms pulse, Io=I
Note 5,100Hz<f<100KHz,Io=I
Note 5,100Hz<f<100KHz, Io=I
Note 4, 5, Io =10mA
Note 5, T
Note 5, 10Hz<f<10KHz
Io
TEST CONDITION
FRONT VIEW
JA
1
2
1
1
1
1
1
1
1
IRU1246
=Io
5-PIN ULTRA THIN-PAK (P)
=10mA, T
=10mA, T
=10mA, T
=10mA, T
=10mA, T
=10mA, T
=10mA, T
=10mA, T
=25$C/W with 1" Copper area
1
2
=10% below regulation
=10% below regulation
2
=0
J
5
4
3
2
1
=125°C, 1000Hrs
1
2
= I
= I
J
J
J
J
J
J
J
J
Vout1
Vout2
Gnd
Vadj
Vin
=25°C
=25°C
=25°C
=25°C, Vo=Vadj
=0 to 125°C
=0 to 125°C, Vo=Vadj
=0 to 125°C
=0 to 125°C
FL1
FL2
7V
0°C To 150°C
FL
IRU1247
FRONT VIEW
FL
5
4
3
2
1
FL1
FL2
Vout2
Vout1
Gnd
NC
Vin
/10
/10
Vout2
Vout1
8-PIN PLASTIC POWER SOIC (S)
3.230
1.782
2.475
3.200
1.238
1.225
1.764
2.450
Vadj
MIN
Vin
2.1
2.1
1
2
3
4
IRU1246
TOP VIEW
JA
=55 C/W for 1" Sq pad
TYP
3.300 3.370
3.300 3.400
1.250 1.262
1.250 1.275
1.800 1.818
1.800 1.836
2.500 2.525
2.500 2.550
0.003
0.2
0.4
1.1
1.1
0.1
0.5
0.3
40
40
10
8
7
6
5
Gnd
Gnd
Gnd
Gnd
MAX
1.3
1.3
5
5
Vout1
Vout2
NC
Vin
1
2
3
4
IRU1247
TOP VIEW
%/Watt
UNITS
%Vo
%Vo
%Vo
%Vo
%Vo
mA
mA
mA
dB
dB
07/13/01
V
V
V
V
V
V
V
V
V
V
A
A
Rev. 1.6
8
7
6
5
Gnd
Gnd
Gnd
Gnd