US1010-25 UNISEM, US1010-25 Datasheet

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US1010-25

Manufacturer Part Number
US1010-25
Description
1A LOW DROPOUT POSITIVE FIXED OUTPUT REGULATOR
Manufacturer
UNISEM
Datasheet
TYPICAL APPLICATION
PACKAGE ORDER INFORMATION
Rev. 1.1
10/30/00
TYPICAL APPLICATION
PACKAGE ORDER INFORMATION
FEATURES
FEATURES
APPLICATIONS
APPLICATIONS
Flex Surface Mount Packages
Guaranteed < 1.3V Dropout at Full Load
Current
Fast Transient Response
1% Voltage Reference Initial Accuracy
Built-in Thermal Shutdown
Available in SOT-223 & D-PAK and a new Power
Low Voltage IC supply Applications
PC Clock Supply Voltage
0 TO 150
Tj (
°
C)
Typical Application of US1010-25 in a 5V to 2.5V regulator .
5V
1010-25app1-1.0
US1010-25
US1010-25CD
2 PIN PLASTIC
TO252 (D)
Vout
Gnd
Vin
10uF
C1
3
2
1
DESCRIPTION
DESCRIPTION
The US1010-25 is a low dropout three terminal fixed out-
put regulator with minimum of 1A output current capabil-
ity. This product is specifically designed to provide well
regulated supply for low voltage IC applications as well
as generating clock supply for the PC applications. The
US 1010 is guaranteed to have <1.3V drop out at
full load current making it ideal to provide well regu-
lated with 3.8V input supply. The US1010 is specifically
designed to be stable with low cost Aluminimum ca-
pacitors while still maintains stability with low ESR tan-
talum caps as well.
US1010-25CY
3 PIN PLASTIC
SOT223 (Y)
1A LOW DROPOUT POSITIVE
FIXED OUTPUT REGULATOR
C2
10uF
POWER FLEX (P)
2.5V / 1A
2 PIN PLASTIC
US1010-25CP
PRELIMINARY DATASHEET
US1010-25
2-1

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US1010-25 Summary of contents

Page 1

... Flex Surface Mount Packages APPLICATIONS APPLICATIONS Low Voltage IC supply Applications PC Clock Supply Voltage TYPICAL APPLICATION TYPICAL APPLICATION 5V US1010-25 1010-25app1-1.0 Typical Application of US1010- 2.5V regulator . PACKAGE ORDER INFORMATION PACKAGE ORDER INFORMATION ° 150 Rev. 1.1 10/30/00 1A LOW DROPOUT POSITIVE FIXED OUTPUT REGULATOR ...

Page 2

... US1010-25 ABSOLUTE MAXIMUM RATINGS ABSOLUTE MAXIMUM RATINGS Input Voltage (Vin) .................................................................. Power Dissipation ............................................ Storage Temperature Range .............................. - 150 C Operating Junction Temperature Range .................. 150 C PACKAGE INFORMATION PACKAGE INFORMATION 2 PIN PLASTIC TO252 ( D ) FRONT VIEW 3 Vin Tab is 4 Vout 1 Gnd =70 C/W for 0.5" Square pad ...

Page 3

... The output of the regulator. This pin is also connected to the tab of the package. An output capacitor must be connected to this pin to insure stability of the regulator. 3 Vin Input pin of the regulator. BLOCK DIAGRAM BLOCK DIAGRAM Vin 3 CURRENT THERMAL SHUTDOWN Figure 1 - Simplified block diagram of the US1010-25 Rev. 1.1 10/30/00 + LIMIT 1010-25blk1-1.0 US1010-25 2 Vout + 1.25V 1 Gnd ...

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