IRU1120CP IRF [International Rectifier], IRU1120CP Datasheet

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IRU1120CP

Manufacturer Part Number
IRU1120CP
Description
2A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
Manufacturer
IRF [International Rectifier]
Datasheets

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Part Number:
IRU1120CPTR
Quantity:
40 000
FEATURES
APPLICATIONS
TYPICAL APPLICATION
PACKAGE ORDER INFORMATION
Rev. 1.3
08/20/02
Stable with ceramic capacitor
Guaranteed < 1.3V Dropout at Full Load Current
Fast Transient Response
2% Voltage Reference Initial Accuracy
Output Current Limiting
Built-In Thermal Shutdown
High Efficiency Linear Regulator
Hard Disk Drivers, CD-ROMs, DVDs
ADSL and Cable Modems
IRU1120
3.3V
2A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
5V
0 To 125
T
A
(°C)
V
V
V
Gnd
CTRL
OUT
V
ADJ
IN
IRU1120CP
5
4
3
2
1
C1
4.7uF
X5R
DEVICE
Figure 1 - Typical application of IRU1120.
C2
4.7uF
X5R
5-Pin Ultra Thin-Pak
www.irf.com
PACKAGE
DESCRIPTION
The IRU1120 is an adjustable linear voltage regulator. It
is packaged in a 5-pin ultra thin-pak surface mount pack-
age. The adjustable output voltage can be set from 1.25V
and up using a simple resistor divider. The input power
can be supplied by a single 5V supply. The regulator is
capable of supplying 2 Amps of continuous current with
an input voltage of 5V. The output is protected by both
current limit and thermal shutdown circuits.
R1
1K
R2
1K
TM
(P)
Adjustable
OUTPUT
C3
4.7uF
X5R
PRELIMINARY DATA SHEET
Data Sheet No. PD94402
2.5V @ 2A
IRU1120
1

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IRU1120CP Summary of contents

Page 1

... X5R PACKAGE ORDER INFORMATION T (°C) DEVICE 125 IRU1120CP Rev. 1.3 08/20/02 DESCRIPTION The IRU1120 is an adjustable linear voltage regulator packaged in a 5-pin ultra thin-pak surface mount pack- age. The adjustable output voltage can be set from 1.25V and up using a simple resistor divider. The input power can be supplied by a single 5V supply ...

Page 2

IRU1120 ABSOLUTE MAXIMUM RATINGS Input Voltage (V ) .................................................... 10V IN Input Voltage (V ) ................................................. 10V CTRL Operating Junction Temperature Range ..................... Operating Ambient Temperature Range ..................... Storage Temperature Range ...................................... -65°C To 150°C PACKAGE INFORMATION 5-Pin Ultra Thin-Pak ...

Page 3

PARAMETER SYM Dropout Voltage V DO5 Dropout Voltage V DO6 Current Limit I OL Minimum Load Current I O(min) Thermal Regulation Reg THERM Ripple Rejection (Vcc to Output) PSRR Temperature Stability Stab Long Term Stability Stab RMS Output Noise V ...

Page 4

IRU1120 BLOCK DIAGRAM CTRL 1 + CURRENT LIMIT THERMAL SHUTDOWN Figure 2 - Simplified block diagram of the IRU1120. APPLICATION INFORMATION Introduction The IRU1120 adjustable regulator is a five-terminal de- vice designed specifically to provide extremely ...

Page 5

Thermal Protection When the junction temperature exceeds 1508C, the in- ternal thermal protection shuts the IRU1120 down. Current Limit Protection The IRU1120 provides Over Current Protection when the output current exceeds typically 3A. The output de- creases to limit the ...

Page 6

IRU1120 TYPICAL CHARACTERISTICS IRU1120 Voltage Dropout Over Temperature 1.400 1.200 1.000 0.800 0.600 0.400 0.200 0.000 -40°C Vctrl=5V, VinDO @ 2A Figure 4 - Voltage dropout over temperature @ V IRU1120 Voltage Dropout over Temperature 1.500 1.400 1.300 1.200 1.100 ...

Page 7

TEST DATA FOR IRU1120 1A 0A Figure 7- Load transient response @ =5V, V =2.5V, IN CTRL OUT =4.7mF, Ceramic. IN CTRL OUT Ch1: V (100mV/Div). OUT Ch2: I (0.5A/Div). OUT Figure 9- Current ...

Page 8

IRU1120 (P) Ultra Thin-Pak 5-Pin SYMBOL MIN MAX A 9.27 9.52 A1 8.89 9.14 B 7.87 8.13 C 1.78 2.03 D 0.63 ...

Page 9

PACKAGE SHIPMENT METHOD PKG PACKAGE DESIG DESCRIPTION TM P Ultra Thin-Pak IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 Rev. 1.3 08/20/02 PIN PARTS COUNT PER TUBE Feed Direction ...

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