IRU1117(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 150°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)
FRONT VIEW
FRONT VIEW
TOP VIEW
TOP VIEW
3
3
3
V
IN
V
IN
1
2
3
4
8
7
6
5
V
IN
VOUT
VOUT
VOUT
V
OUT
V
IN
Tab is
Tab is
NC
NC
Adj
Tab is
2
1
V
OUT
VOUT
V
OUT
V
OUT
Adj
1
1
Adj
Adj
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, COUT=10µF, and TJ=0 to 1508C.
Typical values refer to TJ=258C.
PARAMETER
SYM
TEST CONDITION
MIN
TYP MAX UNITS
Reference Voltage
VREF 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
∆VO Io=1A
1.238 1.250 1.262
V
1.225 1.250 1.275
Line Regulation
Load Regulation (Note 1)
Dropout Voltage (Note 2)
0.2
0.4
%
%
V
1.2
1.1
1.3
1.2
Io=800mA, Note 2
Current Limit
VIN=3.3V, ∆Vo=100mV
1.1
60
A
Minimum Load Current (Note 3)
Thermal Regulation
Ripple Rejection
VIN=3.3V, VADJ=0V
5
0.01
10
0.02
mA
30ms Pulse, VIN-Vo=3V, Io=800mA
f=120Hz, Co=25µF Tantalum,
Io=0.5A, VIN-Vo=3V
%/W
70
dB
Adjust Pin Current
IADJ
Io=10mA, VIN-Vo=1.5V, TJ=258C,
Io=10mA, VIN-Vo=1.5V
55
0.2
120
5
µA
µA
%
Adjust Pin Current Change
Temperature Stability
Long Term Stability
Io=10mA, VIN-Vo=1.5V, TJ=258C
VIN=3.3V, VADJ=0V, Io=10mA
TJ=1258C, 1000Hrs
0.5
0.3
0.003
1
%
RMS Output Noise
TJ=25°C, 10Hz<f<10KHz
%VO
Note 1: Low duty cycle pulse testing with Kelvin con- Note 3: Minimum load current is defined as the mini-
nections is required in order to maintain accurate data. mum current required at the output in order for the out-
put voltage to maintain regulation. Typically, the resistor
Note 2: Dropout voltage is defined as the minimum dif- dividers are selected such that it automatically main-
ferential voltage between VIN and VOUT required to main- tains this current. Typically, the values of the resistors
tain regulation at VOUT. It is measured when the output used to build the voltage divider are selected to ensure
voltage drops 1% below its nominal value.
that minimum load current is maintained.
Rev. 1.8
www.irf.com
2