US1010-33 UNISEM, US1010-33 Datasheet

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US1010-33

Manufacturer Part Number
US1010-33
Description
1A LOW DROPOUT POSITIVE FIXED OUTPUT REGULATOR
Manufacturer
UNISEM
Datasheet

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US1010-33CDTR
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TYPICAL APPLICATION
PACKAGE ORDER INFORMATION
Rev. 1.2
10/30/00
TYPICAL APPLICATION
PACKAGE ORDER INFORMATION
FEATURES
FEATURES
APPLICATIONS
APPLICATIONS
Guaranteed < 1.3V Dropout at Full Load
Current
Fast Transient Response
1% Output Voltage Initial Accuracy
Built-in Thermal Shutdown
Available in SOT-223, D-PAK , Power Flex
and 8 pin SOIC Surface Mount Packages
VGA & Sound Card Applications
Standard 3.3V Chip-Set and Logic Applications
0 TO 150
Tj (°C)
US1010-33CD
2 PIN PLASTIC
TO252 (D)
Typical Application of US1010-33 in a 5V to 3.3V regulator .
5V
1010-33app1-1.0
US1010-33
Vout
Gnd
Vin
10uF
C1
US1010-33CY
3 PIN PLASTIC
SOT223 (Y)
3
2
1
DESCRIPTION
DESCRIPTION
The US1010-33 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 such as
VGA , sound & DVD cards. The US 1010 is guaran-
teed to have <1.3V drop out at full load current
making it ideal to provide well regulated with 4.75V to
7V input supply. The US1010 is specifically designed to
be stable with low cost Aluminimum capacitors while
still maintains stability with low ESR tantalum caps as
well.
1A LOW DROPOUT POSITIVE
POWER FLEX (P)
FIXED OUTPUT REGULATOR
US1010-33CP
2 PIN PLASTIC
C2
10uF
3.3V / 1A
PRELIMINARY DATASHEET
8 PIN PLASTIC
US1010-33CS
SOIC (S)
US1010-33
2-1

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US1010-33 Summary of contents

Page 1

... SOIC Surface Mount Packages APPLICATIONS APPLICATIONS VGA & Sound Card Applications Standard 3.3V Chip-Set and Logic Applications TYPICAL APPLICATION TYPICAL APPLICATION 5V US1010-33 1010-33app1-1.0 Typical Application of US1010- 3.3V regulator . PACKAGE ORDER INFORMATION PACKAGE ORDER INFORMATION Tj (°C) 2 PIN PLASTIC TO252 ( 150 US1010-33CD Rev. 1.2 10/30/00 ...

Page 2

... US1010-33 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 ( PIN PLASTIC SOT223 ( Y ) FRONT VIEW 3 Vin Tab is Tab is 4 Vout ...

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 LIMIT THERMAL SHUTDOWN Figure 1 - Simplified block diagram of the US1010-33 Rev. 1.2 10/30/00 + 1010-33blk1-1.0 US1010-33 2 Vout + 1.25V 1 Gnd 2-3 ...

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