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부품번호 | EUP7917-185NIR1 기능 |
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기능 | High PSRR Low-Noise LDO | ||
제조업체 | Eutech Microelectronics | ||
로고 | |||
EUP7917
300mA, High PSRR Low-Noise LDO
DESCRIPTION
The EUP7917 is an efficient, CMOS voltage regulator
optimized for ultra-low-noise applications. It offers
high output accuracy, extremely low dropout voltage
low ground current and fast start-up time.
The EUP7917 provides a very low noise output, ideal
for RF applications where a clean voltage source is
required. A noise bypass pin is also available for
further reduction of output noise.
Designed specifically for handheld and battery-
powered devices, the EUP7917 provides a
TTL-logic-compatible enable pin. When disabled,
power consumption drops nearly to zero.
The EUP7917 also works with low-ESR ceramic
capacitors, reducing the amount of board space
necessary for power applications, critical in handheld
wireless devices.
Available in the SC-70 and SOT23-5 package, the
EUP7917 offers a wide range of output voltages. Key
features include current limit, thermal shutdown and
faster transient response.
FEATURES
z Space-Saving 5-pin SC-70 Package
z 2.5V to 6V Input Voltage Range
z 50µV(rms) Output Noise
z 250mV Dropout @ 300mA
z 75dB PSRR at 1kHz
z Low 70µA Ground Current
z Up to 300mA Output Current
z Stability with 1µF Ceramic Output Capacitors
z Excellent Load/Line Transient
z Thermal Shutdown and Current Limit
Protection
z Available in 1.2V,1.3V,1.5V,1.8V,1.85V,
2.5V,2.8V,2.85V, 2.9V,3.0V,3.3V,3.5V,4.8V
and Adjustable Voltages
z RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
z Cellular Phones
z Bluetooth Portable Radios and Accessories
z PDA and Palmtop Computers
z Consumer/Personal Electronics
Block Diagram
DS7917 Ver1.2 Mar. 2008
Figure 1.
1
EUP7917Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Absolute Maximum Ratings
VIN,VEN ------------------------------------------------------------------------------- -0.3 to 6.5V
VOUT ----------------------------------------------------------------------------- -0.3 to (VIN+0.3)
Junction Temperature --------------------------------------------------------------------- 150°C
Storage Temperature Range ---------------------------------------------------- -65°C to +150°C
Lead Temperature -------------------------------------------------------------------------- 260°C
Thermal Resistance θJA(SC-70) --------------------------------------------------------- 330°C/W
Thermal Resistance θJA(SOT23-5) ------------------------------------------------------ 220°C/W
ESD Rating
Human Body Model ---------------------------------------------------------------------- 2kV
Operating Ratings
VIN --------------------------------------------------------------------------------------- 2.5 to 6V
VEN ----------------------------------------------------------------------------------- 0 to (VIN+0.3
Operating Temperature Range ------------------------------------------------- -40°C to +125°C
Electrical Characteristics
Conditions: VIN=VOUT+0.5V or 2.5V whichever is greater,VEN=VIN,CIN=1uF,COUT=1uF,TA=-40~85
,Unless otherwise specified.
Symbol
Parameter
Conditions
EUP7917
Min Typ Max.
Input Voltage
2.5 6
∆VOUT Output Voltage Accuracy
IOUT=1mA,TA=25
IOUT=1mA,TA=-40 to 85
-2
-3.0
2
3.0
IOUTMAX Maximum Output Current TA>0
300
ILIMIT Current Limit
VOUT=VOUT(nom) × 90%, TA>0
300 440
800
VOUT3V, I OUT=80mA
72 125
VDROP Dropout Voltage (Note1)
VOUT3V ,I OUT=300mA
2.4V OUT3V,I OUT=80mA
250 350
80 135
2.4V OUT3V,I OUT=300mA
300 400
IQ Quiescent Current
IOUT=0.05mA
VIN=VOUT (nom)-0.1V,IOUT=0mA
70 160
110 250
VLNR Line Regulation
VIN=(VOUT+0.5V) to 6V, IOUT=0.1mA
0.02 0.25
VLDR Load Regulation
1mA ≤ IOUT ≤ 300mA
0.002 0.013
ISHDN
PSRR
Shutdown Supply Current
VEN=0,TA=25
VEN=0,TA=85
Power Supply Ripple
Rejection
VIN=(VOUT+1V)DC+0.5VP-P
f=1kHz, ILOAD=10mA
VIN=(VOUT+1V)DC+0.5VP-P f=10kHz,
ILOAD=10mA
VIN=(VOUT+1V)DC+0.5VP-P
f=100kHz, ILOAD=10mA
Output Noise Voltage (RMS)
f=10Hz~100kHz,
ILOAD=10mA
Fixed-Voltage
Adjustable Voltage
0.01 1
0.05
75
60
45
50
239
Turn-on Time (Note2)
RLOAD=50Ω,TA=25
200
Unit
V
%
mA
mA
mV
µA
%/V
%/mA
µA
dB
µV
µs
DS7917 Ver1.2 Mar. 2008
4
4페이지 EUP7917Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
GROUNDCURRENT vs. TEMPERATURE
120
100
80
60
40
20
0
-40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (oC)
DS7917 Ver1.2 Mar. 2008
7
7페이지 | |||
구 성 | 총 12 페이지수 | ||
다운로드 | [ EUP7917-185NIR1.PDF 데이터시트 ] |
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부품번호 | 상세설명 및 기능 | 제조사 |
EUP7917-185NIR1 | High PSRR Low-Noise LDO | Eutech Microelectronics |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |