SS8061-15GTETR SSC [Silicon Standard Corp.], SS8061-15GTETR Datasheet

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SS8061-15GTETR

Manufacturer Part Number
SS8061-15GTETR
Description
1A Low Dropout Regulator with Enable
Manufacturer
SSC [Silicon Standard Corp.]
Datasheet
1/21/2005 Rev.2.01
APPLICATIONS
FEATURES
ORDERING INFORMATION
Adjustable output from 1.2V to 4.8V
Output voltage options 1.5V, 1.8V and 2.5V
Over-current and over-temperature protection
Dropout voltage of 400mV at 1A load
Enable pin
Quiescent current of 10µA in shutdown
SOT-89-5 Package
Battery-powered systems
Motherboards
Peripheral cards
Network cards
Set Top Boxes
Medical Equipment
Notebook Computers
PIN CONFIGURATION
(externally adjustable using resistors)
SS8061-15GTETR
SS8061-18GTETR
SS8061-25GTETR
This device is only available with Pb-free lead finish (second-level interconnect).
ADJ
ADJ
VIN
VIN
5
5
1
1
SS8061G
SOT-89-5
GND
GND
2
2
VEN
VEN
VO
VO
4
4
3
3
1.5V output, in SOT89-5 with Pb-free lead finish, shipped on tape and reel.
1.8V output, in SOT89-5 with Pb-free lead finish, shipped on tape and reel.
2.5V output, in SOT89-5 with Pb-free lead finish, shipped on tape and reel.
www.SiliconStandard.com
1A Low Dropout Regulator with Enable
TYPICAL APPLICATION CIRCUIT
DESCRIPTION
The SS8061 is a high performance positive voltage
regulator designed for use in applications requiring
very low dropout voltage at up to 1 Amps. Since it has
superior dropout characteristics compared to regular
LDOs, it can be used to supply 2.5V on motherboards
or 1.5V, 1.8V on peripheral cards from the 3.3V supply
thus allowing the elimination of costly heatsinks. An
enable-pin further reduces power dissipation while in
shut-down. The SS8061 provides excellent regulation
over variations in line, load and temperature.
The SS8061 is available with 1.5V, 1.8V and 2.5V
internally preset outputs that are also adjustable using
external resistors.
VO =
VO =
R2=12kΩ is recommended
R2=12kΩ is recommended
R3 should be connected for current I
R3 should be connected for current I
restriction as V
restriction as V
VEN
VEN
VIN
VIN
VO
VO
22µF
22µF
1.2 (R1+R2)
1.2 (R1+R2)
C1
C1
R2
R2
47µF
47µF
EN
EN
C2
C2
> V
> V
Volts
Volts
R3
R3
IN
IN
+0.3V
+0.3V
R1
R1
R2
R2
I
I
ENH
ENH
ENH
ENH
VEN
VEN
VIN
VIN
VO
VO
SS8061G
ADJ
ADJ
GND
GND
SS8061G
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SS8061-15GTETR Summary of contents

Page 1

... Quiescent current of 10µA in shutdown SOT-89-5 Package APPLICATIONS Battery-powered systems Motherboards Peripheral cards Network cards Set Top Boxes Medical Equipment Notebook Computers ORDERING INFORMATION SS8061-15GTETR SS8061-18GTETR SS8061-25GTETR This device is only available with Pb-free lead finish (second-level interconnect). PIN CONFIGURATION SS8061G VIN VIN VEN VEN 5 ...

Page 2

... Maximum Power Dissipation The maximum total device dissipation for which the regulator will operate within specifications. Quiescent Bias Current Current which is used to operate the regulator chip and is not delivered to the load. www.SiliconStandard.com SS8061G (note 1) ≤ +85°C A MIN TYP MAX UNIT 2 ...

Page 3

... Short Circuit Current Overcurrent Protection Characteristics 1/21/2005 Rev.2.01 =10µ 25°C OUT = OUT Vripple=224mV www.SiliconStandard.com SS8061G Load Transient Response Ripple Rejection I =10mA L I =500mA L =4V =10µF 100 1000 10000 100000 1000000 Frequency (Hz) Start- ...

Page 4

... Dropout Voltage vs. I 700 600 500 400 300 200 100 0 0 200 Output Voltage vs. V 1.825 I =10mA L 1.82 1.815 1.81 1.805 1.8 2.5 3.5 www.SiliconStandard.com SS8061G AMB 2 Unit:in A=0.1 A=0.2 A=0.3 A=0.4 A=0.5 A=1.0 A=1.5 A=2.0 A=2.5 A=3.0 A=3.5 A=4.0 A=4.5 A=5 (°C) AMB L T=85°C T=25°C T=-25°C 400 600 800 1000 I (mA T=85°C T=25° ...

Page 5

... RECOMMENDED MINIMUM FOOTPRINT SOT-89-5 SOT-89-5 1/21/2005 Rev.2.01 www.SiliconStandard.com SS8061G ...

Page 6

... MAX 4.60 4.25 1.70 1.50 2.60 ----- 3.00 REF 1.50 REF 0.52 1.60 0.41 5º TYP PACKAGE SOT-89-5 www.SiliconStandard.com SS8061G DIMENSION IN INCH MIN MAX 0.173 0.181 0.159 0.167 0.059 0.067 0.051 0.059 0.094 0.102 0.031 ----- 0.118 REF 0.059 REF 0.016 0.020 0.055 0.063 ...

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