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IRU1011-33CH-IRU1011-33CH/TR
1.3A Fixed LDO Linear Regulator in a MLPM 6-Leads package
Data Sheet No.PD94544
IRU1011-33
International
TOR Rectifier
1.3A LOW DROPOUT POSITIVE FIXED REGULATOR
PRELIMINARY DATA SHEET
FEATURES DESCRIPTION
El Stable with Ceramic Capacitor The |RU1011-33 is a fixed linear regulator and it is ca-
El Guaranteed < 1.3V Dropout at Full Load Current pable of supplying 1.3A of continuous current over line
D Fast Transient Response and temperature range. The |RU1011-33 is stable with
D Output Current Limiting low value ceramic capacitors, allowing designers flex-
D Built-ln Thermal Shutdown ibility in external component selection. The output is pro-
tected by both current limit and thermal shutdown.
APPLICATIONS
D High Eficiency Linear Regulator
El Hard Disk Drivers, CD-ROMs, DVDs
D ADSL and Cable Modems
TYPICAL APPLICATION
|RU1011-33
51/ Vow T-o-jr 3.3V
- C1 - C2
- 4.7uF - 4.7uF
-_' X5R X5R
Figure 1 - Typical application of |RU1011-33.
PACKAGE ORDER INFORMATION
T, (°C) 6-Pin MLPM 3x3 (H) MLPM Marking
0 To 150 IRU1011-33CH CM33
Rev. 1.1 1
03/21/03
International
TOR Rectifier
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V IN) .................................................... 10V
Operating Junction Temperature Range ..................... 0°C To 150°C
Operating Ambient Temperature Range ..................... -40°C To 125°C
Storage Temperature Range ...................................... -65°C To 150°C
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device.
PACKAGE INFORMATION
6-PIN MLPM 3x3 (H)
'1 - ''" - eJA=32°C/w
NC _1_) L_6_ God For 1" Square Pad
_ - r. -
NC _2_) k_5_ NC Exposed Pad on
_ - ,_ - underside is con-
VN _3_) L_4_ VOL” nected to Gnd
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over V|N=4.5V to 7V, bUT=2mA to 1.3A, (%=CouT=4.7wF
and JC
PARAMETER SYM TEST CONDITION MIN TYP MAX UNITS
Output Voltage 3.3V V0(3_3) 4.75VTJ=25°C 3.234 3.3 3.366 V
0°CsTJs150°C 3.2175 3.3 3.3825
Line Regulation RegLINE 4.75V<1hN<5.25V, b=10mA 5 15 mV
Load Regulation RegLOAD V|N=4.75V, 10mAslos1.3A 8 12 mV
Dropout Voltage AN/our-- -1% VD ko=1.3A 1.1 1.3 V
Current Limit ls V|N=5.5V 1.3 1.9 A
Minimum Output Current |O(M|N) Note 3, 5 0 2 mA
Temperature Stability Ts Note 4, 5 1.5 %
RMS Output Noise VN TJ=25°C, 1OHzRipple Rejection (VIN to Output) RA V|N=5V, Note 5, f=120Hz 60 65 dB
Thermal Shutdown To(sro) 4.75VNote 5
Quiescent Current IGND VINS7V, 2mAslos1.3A 4.3 5.4 mA
lhro--5V, 0mAslos50mA, Tr=25oC <4.2
Transient Response AVOUT Vm=5V, 10mAChange of Vom with Step Load AIOUT V|N=5V, 1.3A to 10mA, " 1 ws 5 t 10
Change Cm=Co=10pLF, X7R & Note 5
Transient Response Aiour 0 to 5V step input, trrelws, 1 t 10 %
Change of Vow with AVIN 1mAslos1.3A, C|N=C0=10}LF, X7R,
Application of VIN Note 5
Transient Response Aiour V|N=5V, Shortslos10mA, 1 t20 %
Short Circuit Removal AIOUT CIN=Co=10pLF, X7R, Note 5
Response @IO=Short
2 Rev. 1.1
03/21/03
