iru1205 International Rectifier Corp., iru1205 Datasheet

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iru1205

Manufacturer Part Number
iru1205
Description
300ma Ultra Low Dropout Positive Adjustable And Fixed Regulators -
Manufacturer
International Rectifier Corp.
Datasheet

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FEATURES
APPLICATIONS
TYPICAL APPLICATION
PACKAGE ORDER INFORMATION
Rev. 2.3
07/16/02
SOT-23 Package
Stable with 2.2 F Ceramic Capacitor
1% Voltage Reference Accuracy
Only 270mV Dropout at 300mA
and 170mV Dropout at 150mA
5 A Quiescent Current in Shutdown
Current Limit and Thermal Shutdown
Logic Input Enable Pin
Laptop, Notebook & Palmtop computers
Battery Powered Equipments
PCMCIA Vcc & Vpp Regulator
Consumer Electronics
High Efficiency Linear Power Supplies
0 To 125
0 To 125
0 To 125
0 To 125
0 To 125
0 To 125
0 To 125
T
J
(°C)
Figure 1 - Typical application of the IRU1205 ajustable voltage regulator.
3.3V
Figure 2 - Typical application of the IRU1205-25 fixed voltage regulator.
SD
SD
V
IN
Enable
Enable
2.2uF
2.2uF
IRU1205CL
IRU1205-18CL
IRU1205-25CL
IRU1205-28CL
IRU1205-30CL
IRU1205-33CL
IRU1205-36CL
C1
C1
SOT-23 (L5)
5-PIN
1
2
3
1
2
3
V
Gnd
En
V
Gnd
En
IN
IN
300mA ULTRA LOW DROPOUT POSITIVE
ADJUSTABLE AND FIXED REGULATORS
V
C
V
www.irf.com
OUT
OUT
BYP
Adj
IRU1205-18 / IRU1205-25 / IRU1205-28
IRU1205-30 / IRU1205-33 / IRU1205-36
Data Sheet No. PD94133
5
4
5
4
MARKING
DESCRIPTION
The IRU1205 device is an efficient linear voltage regula-
tor with better than 1% initial voltage accuracy, very low
dropout voltage and very low ground current designed
especially for hand held, battery powered applications.
Other features of the device are: TTL compatible enable/
shutdown control input, current limiting and thermal shut-
down.
The IRU1205 is available in fixed and adjustable output
voltage versions in a small SOT-23 5-Pin package.
SOT-23
AT28
AT18
AT25
AT30
AT33
AT36
AT00
C3
1000pF
R1
R2
2.2uF
C2
C2
2.2uF
VOLTAGE
OUTPUT
1.8V
2.5V
3.0V
3.3V
3.6V
2.8V
Adj
2.5V
V
Vo = 1.25
OUT
(
IRU1205
1+
R1
R2
)
1

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iru1205 Summary of contents

Page 1

... Battery Powered Equipments PCMCIA Vcc & Vpp Regulator Consumer Electronics High Efficiency Linear Power Supplies TYPICAL APPLICATION 2.2uF SD Enable Figure 1 - Typical application of the IRU1205 ajustable voltage regulator. 3.3V C1 2.2uF SD Enable Figure 2 - Typical application of the IRU1205-25 fixed voltage regulator. PACKAGE ORDER INFORMATION T (°C) 5-PIN ...

Page 2

... IRU1205 IRU1205-18 / IRU1205-25 / IRU1205-28 IRU1205-30 / IRU1205-33 / IRU1205-36 ABSOLUTE MAXIMUM RATINGS Input Voltage (V ) ..................................................... 10V IN Enable Input Voltage ................................................. 10V Storage Temperature Range ....................................... -65°C To 150°C Operating Junction Temperature Range ...................... PACKAGE INFORMATION 5-PIN SOT-23 (L5) En Gnd Adjustable AT00 4 5 =256 C/W JA Adj V OUT ...

Page 3

... IRU1205-36 3.6V Table 1- Nominal output voltage vs. part number. Rev. 2.3 07/16/02 IRU1205-18 / IRU1205-25 / IRU1205-28 IRU1205-30 / IRU1205-33 / IRU1205-36 Note 3: Ground current is the regulator quiescent cur- rent plus the pass transistor current. The total current from the supply is the sum of the load current plus the ground pin current. ...

Page 4

... BYP + 1.25V 2 Gnd Figure 4 - IRU1205-18, IRU1205-25, IRU1205-28, IRU1205-30, IRU1205-33 and IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 4 THERMAL SHUTDOWN THERMAL SHUTDOWN IRU1205-36 Fixed output block diagram. Visit us at www.irf.com for sales contact information Data and specifications subject to change without notice. 02/01 www ...

Page 5

... Rev. 2.3 07/16/02 IRU1205-18 / IRU1205-25 / IRU1205-28 IRU1205-30 / IRU1205-33 / IRU1205-36 (L5) SOT-23 Package 5-Pin SYMBOL MIN MAX A 0.90 1.45 A1 0.00 0.15 A2 0.90 1.30 B 0.25 0.50 C 0.09 0.20 D 2.80 3.00 E 2.60 3.00 E1 1.50 1.75 0.95 REF e e1 1.90 REF L 0.35 0. NOTE: ALL MEASUREMENTS ARE IN MILLIMETERS. www.irf.com IRU1205 ...

Page 6

... IRU1205 IRU1205-18 / IRU1205-25 / IRU1205-28 IRU1205-30 / IRU1205-33 / IRU1205-36 PACKAGE SHIPMENT METHOD PKG PACKAGE DESIG DESCRIPTION L5 SOT-23 IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 6 PIN PARTS COUNT PER TUBE 5 --- Feed Direction Figure A Visit us at www.irf.com for sales contact information Data and specifications subject to change without notice ...

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