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IRU101533-IRU1015-33
1.5A LOW DROPOUT POSITIVE FIXED 3.3V REGULATOR
Data Sheet No. PD94123
|RU1015-33
Ir-marc/iced
Is'aR Rectifier
1.5A LOW DROPOUT POSITIVE
FIXED 3.3V REGULATOR
FEATU RES DESCRIPTION
I: Guaranteed < 1.3V Dropout at Full Load Current The IRU1015-33 is a low dropout three terminal fixed
I: Fast Transient Response 3.3V output regulator with minimum of 1 .5A output cur-
" 1% Voltage Reference Initial Accuracy rent capability. This product is specifically designed to
I: Output Current Limiting provide well regulated supply for low voltage IC applica-
n Built-ln Thermal Shutdown tions requiring 3.3V output. The |RU1015-33 is guaran-
teed to have <1.3V dropout at full load current making it
APPLICATIONS ideal to provide well regulated output with supply voltage
I: Standard 3.3V Chip Set and Logic Applications as low as 4.61/ input.
TYPICAL APPLICATION
100uF /\
W E---
(CC) IRU'1(M5-33 VomE 3.3V/1.5A
r--,', fi, F
and T-
Figure 1 - Typical application of IRU101 5-33
PACKAGE ORDER INFORMATION
TI (°C) 3-PIN PLASTIC 3-PIN PLASTIC 2-PIN PLASTIC 2-PIN PLASTIC
TO-220 (T) TO-263 (M) Ultra Thin-Pak (P) T0-252 (D-Pak)
0 To 150 |RU1015-33CT |RU1015-33CM IRU1015-33CP |RU1015-33CD
Rev. 1.1
06/29/01
|RU1015-33
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Vin)
Power Dissipation B....................................................
Storage Temperature Range ......................................
Operating Junction Temperature Range .....................
-65°C To 150°C
0°C To 150°C
Internally Limited
PACKAGE INFORMATION
3-PIN PLASTIC TO-220 (T)
3-PIN PLASTIC TO-263 (M)
2-PIN PLASTIC ULTRA THIN-PAK(P)
2-PIN PLASTIC TO-252 (D-Pak)
Tab is
6JT=2.7°C/W eJA=60°CIW
Tab is
9JA=35°C/\N for 1" Square pad
FRONT VIEW
Tab is
2 Vout
1 Gnd 1
6JA=70°CNV for 1" Square pad
Tab is
eJA=70°CIW for 0.5" Sq pad
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Cin=1 11F, Cout=10pF, and Tj=0 to 150°C.
Typical values refer to Tj=25°C.
PARAMETER SYM TEST CONDITION MIN TYP MAX UNITS
Output Voltage Vo lo=10mA, Tj=25°C, Vin=5V 3.267 3.300 3.333 V
lo=10mA, Vin=5V 3.234 3.300 3.366
Line Regulation lo=10mA, 4.7V
Load Regulation (Note 1) Vin=5V, Vadj=0, 10mADropout Voltage (Note 2) AVo Note 2, lo=1.5A 1.1 1.3 V
Current Limit Vin=5V, dVo=100mV 1.6 A
Minimum Load Current Vin=5V 5 10 mA
(Note 3)
Thermal Regulation 30ms Pulse, Vin-Vo=3V, lo=1.5A 0.01 0.02 HON
Ripple Rejection f=120Hz, Co=25wF Tantalum,
lo=0.75A, Vin-Vo=3V 60 70 dB
Adjust Pin Current Change lo=10mA, Vin-Vo=1.5V, Tj=25°C 0.2 5 WA
Temperature Stability Vin=5V, Vadj=0V, lo=10mA 0.5 %
Long Term Stability Tj=125°C, 1000Hrs 0.3 1 %
RMS Output Noise Tj=25°C, 10HzNote I: 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-
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
cally maintained.
tain regulation at Vout. It is measured when the output
voltage drops 1% below its nominal value.
dividers are selected such that this current is automati-
Rev. 1.1
06l29l01
