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EUP7961 데이터시트 PDF




Eutech Microelectronics에서 제조한 전자 부품 EUP7961은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 EUP7961 기능
기능 1A Ultra Low-Dropout Linear Regulator
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EUP7961 데이터시트, 핀배열, 회로
EUP7961
1A Ultra Low-Dropout Linear Regulator
DESCRIPTION
The EUP7961 is a 1A low-dropout linear regulator that
provides a low voltage, high current output with a
minimum of external components. It offers high
precision, ultra-low dropout, and low ground current.
The EUP7961 operates from an input of 2.5V to 5.5V.
This regulator uses small, 1µF ceramic input capacitors
and 4.7µF ceramic output capacitors to deliver 1A
output current. High bandwidth provides excellent
transient response. It is designed to drive digital
circuits requiring low voltage at high currents (i.e.,
www.DPaLtaDShs,eeDt4SUP.cso, mmicrocontrollers, etc.).
Other features include thermal and current limit
protection, a logic-control shutdown mode and an error
flag output that goes low when the output voltage
drops 10% below nominal value.
It is available in fixed output voltages of 1.5V, 1.8V,
2.5V, 3.3V and as an adjustable device with a 0.8V
reference voltage. The adjustable output voltage can be
set from 0.8V to 4.5V.
FEATURES
z 1A Guaranteed Output Current
z 300mV Dropout Voltage at 1A Output
z Stable with Ceramic Capacitors
z ±1.8% Output Voltage Accuracy
z 300µA Low-Ground Pin Current
0.1µA Quiescent Current in Shutdown Mode
z Excellent Line and Load Regulation
z Thermal Shutdown and Current Limit Protection
z Error Flag Indication
z Available in SOT223, SOP-8 and SOT-89 Packages
z RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
z LDO Linear Regulator for Low-Voltage Digital IC
z PC Add-In Cards
z High Efficiency Linear Power Supplies
z Post Regulator
Typical Application Circuit
DS7961 Ver 1.2 Dec. 2006
Figure1.
1




EUP7961 pdf, 반도체, 판매, 대치품
EUP7961
Absolute Maximum Ratings
„ Supply Voltage VIN ---------------------------------------------------------------------- 5.5V
„ Package Thermal Resistance
SOT-223, θJA ---------------------------------------------------------------------- 115°C /W
SOP-8, θJA ------------------------------------------------------------------------- 125°C /W
„ Power Dissipation, PD@TA=25°C
SOT-223 ------------------------------------------------------------------------------ 0.87W
SOP-8 --------------------------------------------------------------------------------- 0.8W
„ Junction Temperature ------------------------------------------------------------------- 150°C
„ Storage Temperature ------------------------------------------------------ -65°C to +150°C
„ Lead Temp ------------------------------------------------------------------------------ 260°C
„ ESD Rating
Human Body Model ---------------------------------------------------------------------- 2kV
www.DOatpaSehreaett4iUn.gcoRm atings
„ Supply Voltage VIN ---------------------------------------------------------------- 2.5 to 5.5V
„ Enable Input Voltage -------------------------------------------------------------- 0V to 5.5V
„ Junction Temperature ------------------------------------------------------ -40°C to +125°C
Electrical Characteristics
Limits in standard typeface are for TJ =25°C. Unless otherwise specified: VIN= VOUT(nom) +1V, IL=10mA,COUT=4.7µF
Symbol
Parameter
Conditions
EUP7961
Min Typ Max.
Unit
Output Voltage Tolerance
VOUT Line Regulation
VOUT+1V VIN 5.5V
10mA IL 1A
VOUT+1V VIN 5.5V
-1.8 1.8
0.1 0.24
%
%
Load Regulation
VIN -VOUT Dropout Voltage
Ground Pin Current in
Normal Operation Mode
IGND Ground Pin Current in
Shutdown Mode
10mA IL 1A
IL = 100mA
IL = 1A
IL = 10mA
IL = 1A
VEN 0.3V
0.08 0.32
35 50
300 500
300
500
0.01 10
%
mV
µA
µA
IO(PK) Peak Output Current
Short Circuit Protection
ISC Short Circuit Current
VO VO(NOM) -4%
1.5 A
1.7 A
DS7961 Ver 1.2 Dec. 2006
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EUP7961 전자부품, 판매, 대치품
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EUP7961
DS7961 Ver 1.2 Dec. 2006
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