iru1117 International Rectifier Corp., iru1117 Datasheet - Page 2

• Manufacturer Part Number: iru1117
• Description: 800ma Low Dropout Positive Adjustable Regulator
• Manufacturer: International Rectifier Corp.

IRU1117
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V
Power Dissipation ..................................................... Internally Limited
Storage Temperature Range ......................................
Operating Junction Temperature Range .....................
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over C
Typical values refer to T
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
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 V
tain regulation at V
voltage drops 1% below its nominal value.
2
2-PIN PLASTIC TO-252 (D-Pak)
Tab is
V
OUT
JA
=70 C/W for 0.5" Sq pad
FRONT VIEW
IN
) .................................................... 7V
3
1
OUT
. It is measured when the output
J
V
=258C.
Adj
IN
IN
and V
2-PIN ULTRA THIN-PAK
Tab is
V
JA
OUT
=70 C/W for 0.5" Sq pad
SYM
OUT
V
DV
I
ADJ
REF
FRONT VIEW
required to main-
O
Io=10mA, T
Io=10mA, (V
Io=10mA, 1.3V<(V
V
Io=1A
Io=800mA, Note 2
V
V
30ms Pulse, V
f=120Hz, Co=25mF Tantalum,
Io=0.5A, V
Io=10mA, V
Io=10mA, V
Io=10mA, V
V
T
T
J
J
IN
IN
IN
IN
=1258C, 1000Hrs
=25 C, 10Hz<f<10KHz
=3.3V, V
=3.3V, DVo=100mV
=3.3V, V
=3.3V, V
3
1
TM
TEST CONDITION
V
www.irf.com
Adj
IN
(P)
IN
ADJ
J
ADJ
ADJ
IN
IN
IN
-Vo=3V
=258C, (V
IN
-Vo=1.5V, T
-Vo=1.5V
-Vo=1.5V, T
=0, 10mA<Io<800mA
IN
-Vo)=1.5V
=0V
-65°C To 150°C
=0V, Io=10mA
0°C To 150°C
-Vo=3V, Io=800mA
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.
8-PIN PLASTIC SOIC (S)
JA
IN
IN
V
NC
NC
Adj
=55 C/W for 1" Sq pad
=1mF, C
-Vo)<7V
IN
IN
1
2
3
4
-Vo)=1.5V
TOP VIEW
J
J
=258C,
=258C
OUT
=10mF, and T
8
7
6
5
V
V
V
V
OUT
OUT
OUT
OUT
1.238
1.225
MIN
1.1
60
3-PIN PLASTIC SOT-223 (Y)
J
JA
=0 to 1508C.
Tab is
V
1.250
1.250
0.003
TYP
=90 C/W for 0.4" Sq pad
0.01
OUT
1.2
1.1
0.2
0.5
0.3
70
55
5
TOP VIEW
MAX
1.262
1.275
0.02
120
0.2
0.4
1.3
1.2
10
5
1
3
2
1
V
V
Adj
UNITS
02/04/03
IN
OUT
Rev. 1.8
%/W
%V
mA
mA
mA
dB
%
%
%
%
V
V
A
O