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PDF EUP7913 Data sheet ( Hoja de datos )
| Número de pieza | EUP7913 | |
| Descripción | 300mA Low-Noise LDO Without Bypass Capacitor | |
| Fabricantes | Eutech Microelectronics | |
| Logotipo |  |
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EUP7913/A
300mA Low-Noise LDO
Without Bypass Capacitor
DESCRIPTION
The EUP7913/A is an efficient CMOS low dropout
(LDO) 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 EUP7913/A provides a very low
noise output without a bypass capacitor, ideal for RF
applications where a clean supply voltage source is
required. Specifically designed for handheld and
battery-powered devices, the EUP7913/A provides a
TTL-logic-compatible enable pin. When the
EUP7913/A is disabled, power consumption drops
nearly to zero. Key features include current limit,
thermal shutdown and faster transient response.
The EUP7913/A works with low-ESR ceramic
capacitors. Available in the SOT23-3 or SOT23-5
space saving package which reduces the amount of
board space necessary for power applications. The
EUP7913/A offers wide fixed output voltage versions.
FEATURES
z 2.5V to 5.5V Input Voltage Range
z 30µV(rms) Output Noise
z 200mV Dropout @ 300mA
z 70dB PSRR at 1kHz No Bypass Capacitor
z Low 30µA Ground Current
z Guaranteed 300mA Output Current
z Stable with a 1µF Ceramic Output Capacitor When
VOUT ≥ 1.5V, or 2.2µF when VOUT<1.5V
z Excellent Load/Line Transient
z Thermal Shutdown and Current Limit
Protection
z Available 1.2V to 3.6V fixed output voltages
(50mV increments)
z Space-Saving SOT23-3 & SOT23-5 Package
z RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
z Cellular Phones
z Camera Modules
z PDA and Palmtop Computers
z Consumer/Personal Electronics
Block Diagram
DS7913/A Ver1.1 Dec. 2008
Figure 1.
1
1 page  
EUP7913/ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Absolute Maximum Ratings (1)
IN,OUT and EN to GND----------------------------------------------------------- -0.3V to 6V
Junction Temperature ---------------------------------------------------------------------- 150°C
Storage Temperature Range ---------------------------------------------------- -65°C to +150°C
Lead Temperature -------------------------------------------------------------------------- 260°C
Thermal Resistance θJA (SOT23-3) -----------------------------------------------------250°C/W
Thermal Resistance θJA (SOT23-5) -----------------------------------------------------220°C/W
ESD Rating
Human Body Model --------------------------------------------------------------------- 2kV
Recommend Operating Conditions (2)
VIN ----------------------------------------------------------------------------------- 2.5V to 5.5V
VEN ------------------------------------------------------------------------------------ 0V to 5.5V
Operating Temperature Range ------------------------------------------------ -40°C to +85°C
Note (1): Stress beyond those listed under “Absolute Maximum Ratings” may damage the device.
Note (2): The device is not guaranteed to function outside the recommended operating conditions.
Electrical Characteristics
Conditions: VIN=VOUT+0.5V or 2.5V whichever is greater, VEN=VIN,CIN=COUT=1uF,TA= -40°C to +85°C
,Unless otherwise specified.
Symbol
Parameter
Conditions
EUP7913
Min Typ Max.
Input Voltage
2.5 5.5
∆VOUT Output Voltage Accuracy
IOUT=1mA to 30mA,TA= +25
IOUT=1mA to 30mA,
TA=-40 to +85
-2
-3.0
2
3.0
IOUTMAX Maximum Output Current
300
ILIMIT Current Limit
VDROP Dropout Voltage (Note3)
VOUT=VOUT(nom) × 90%
VOUT ≥ 3V , IOUT=300mA
2.4 ≤ VOUT ≤ 3V, IOUT=300mA
550
180 200
200 300
IQ Quiescent Current
No Load
30 50
VLNR Line Regulation
VIN=(VOUT+0.5V) to 5.5V, IOUT=10mA
0.02 0.15
VLDR Load Regulation
1mA ≤ IOUT ≤ 300mA
15 30
ISHDN Shutdown Supply Current VEN=0,TA=+25 (EUP7913A)
0.3 1.5
PSRR
Power Supply Ripple
Rejection
Output Noise Voltage
(RMS)
Turn-on Time (Note4)
VIN=(VOUT+1V)
f=1kHz, ILOAD=10mA
VIN=(VOUT+1V) f=10kHz, ILOAD=10mA
VIN=(VOUT+1V) f=100kHz,
ILOAD=10mA
f=10Hz~100kHz, VOUT=1.5V,
No Load
RLOAD=50Ω,TA=+25
70
60
45
30
100
VENL VENL (EN logic low)
VIN=2.5V to 5.5V (EUP7913A)
0.4
VENH VENH (EN logic high) VIN=2.5V to 5.5V (EUP7913A)
1.5
VEN Input Bias Current VIN=5.5V, VEN=0 or 5.5V (EUP7913A) -1
1
RDIS
TSD
Output Discharge Switch
Thermal Shutdown
Temperature
VEN=0,VIN=3.6V
500
155
∆TSD
Thermal Shutdown
Hysteresis
15
Rdischarge VOUT Discharge Resistance VEN=0 (EUP7913A)
500
Note (3): Dropout is defined as VIN-VOUT when VOUT is 100mV below the value of VOUT for VIN=VOUT+0.5V
Note (4): Time needed for VOUT to reach 90% of final value.
Unit
V
%
mA
mA
mV
µA
%/V
mV
µA
dB
µV
µs
V
V
µA
Ω
°C
°C
Ω
DS7913/A Ver1.1 Dec. 2008
5
5 Page 
EUP7913/ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
SOT23-5
SYMBOLS
A
A1
D
E1
E
L
b
e
MILLIMETERS
MIN.
MAX.
- 1.30
0.00 0.15
2.90
1.60
2.60 3.00
0.30 0.60
0.30 0.50
0.95
INCHES
MIN.
MAX.
- 0.052
0.000
0.006
0.114
0.063
0.102
0.118
0.012
0.024
0.012
0.020
0.037
DS7913/A Ver1.1 Dec. 2008
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet EUP7913.PDF ] | |
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