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1.5A Fixed LDO Linear Regulator in a TO-252 (D-PAK) 2-Leads package
International
TOR Rectifier
FEATU RES
Guaranteed < 1.3V Dropout at Full Load Current
Fast Transient Response
1% Voltage Reference Initial Accuracy
Output Current Limiting
Built-ln Thermal Shutdown
APPLICATIONS
El Standard 3.3V Chip Set and Logic Applications
Data Sheet No. PD94123
|RU1015-33
1.5A LOW DROPOUT POSITIVE
FIXED 3.3V REGULATOR
DESCRIPTION
The |RU1015-33 is a low dropout three terminal fixed
3.3V output regulator with minimum of 1.5A output cur-
rent capability. This product is specifically designed to
provide well regulated supply for low voltage IC applica-
tions requiring 3.3V output. The IRU1015-33 is guaran-
teed to have <1.3V dropout at full load current making it
ideal to provide well regulated output with supply voltage
as low as 4.6V input.
TYPICAL APPLICATION
51/)h-c,Ir-
100uF/l\
|RU1015-33 VOUT E - 'i 3.3V/1.5A
Gm El Imam:
Figure 1 - Typical application of |RU1015-33.
PACKAGE ORDER INFORMATION
To (°C) 3-PIN PLASTIC 3-PIN PLASTIC 2-PIN PLASTIC 2-PIN PLASTIC
TO-220 (T) TO-263 (M) Ultra Thin-PakTM (P) T0-252 (D-Pak)
0 To 150 IRU1015-33CT lRU1015-33CM lRU1015-33CP |RU1015-33CD
Rev. 1.2
08/01/02
International
IRU1015-33 TOR Rectifier
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V m) .................................................... 7V
Power Dissipation _.................................................... Internally Limited
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 150°C
3-PIN PLASTIC TO-220 (T) 3-PIN PLASTIC TO-263 (M) 2-PIN PLASTIC ULTRA THIN-PAKTM (P) 2-PIN PLASTIC TO-252 (D-Pak)
FRONT VIEW
3 VIN 3 VIN 3 :VIN VIN
Tab is _
Tab‘ Tab Is
2 vcur VOUT 2 VOUT Vou: l VOUT
1 Gnd 1 Gnd 1 :] Gnd 1 Gnd
0JT=2.7°CNV 6JA=60°CNV 0JA=35°CNV for 1" Square pad 9JA=7O°CNV for 1" Square pad 0JA=7O°CNV for 0.5" Sq pad
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Cm=1pF, COUT=1OHF, and Teo 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, 1hro=5V 3.267 3.300 3.333 V
lo=10mA, lhN--5V 3.234 3.300 3.366
Line Regulation lo=10mA, 4.7V
Load Regulation (Note 1) V|N=5V, VADJ=0, 10mA<|o<1.5A 0.4 %
Dropout Voltage (Note 2) AVo Note 2, lo=1.5A 1.1 1.3 V
Current Limit V|N=5V, AVo=100mV 1.6 A
Minimum Load Current (Note 3) Vm=5V 5 10 mA
Thermal Regulation 30ms Pulse, ViN-Vo=3V, |o=1.5A 0.01 0.02 %/W
Ripple Rejection f=120Hz, Co=25wF Tantalum,
|o=0.75A, VIN-V0=3V 60 70 dB
Adjust Pin Current Change lo=10mA, VlN-V0=1.5V, TJ=25°C 0.2 5 WA
Temperature Stability Vm=5V, VADJ=0V, lo=10mA 0.5 %
Long Term Stability TJ=125°C, 1000Hrs 0.3 1 %
RMS Output Noise TJ=25°C, 1OHzNote 1: Low duty cycle pulse testing with Kelvin con- Note 3: Minimum load current is defred 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 dehned as the minimum dif- dividers are selected such that this current is automati-
ferential voltage between VIN and Vow required to main- cally maintained.
tain regulation at Voun It is measured when the output
voltage drops 1% below its nominal value.
2 Rev. 1.2
08/01/02
