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PDF EUP7963 Data sheet ( Hoja de datos )
| Número de pieza | EUP7963 | |
| Descripción | 3A Ultra Low-Dropout Linear Regulator | |
| Fabricantes | Eutech Microelectronics | |
| Logotipo |  |
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EUP7963
3A Ultra Low-Dropout Linear Regulator
DESCRIPTION
The EUP7963 is a 3A 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 EUP7963 operates from an input of 2.5V to 5.5V.
This regulator uses small, 4.7µF ceramic input
capacitors and 10µF ceramic output capacitors to
deliver 3A output current. High bandwidth provides
excellent transient response. It is designed to drive
digital circuits requiring low voltage at high currents
www.D(ai.tea.S,hPeLetD4Us,.cDomSPs, microcontrollers, 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 3A Guaranteed Output Current
z 750mV Dropout Voltage at 3A Output
z Stable with Ceramic Capacitors
z ±1.8% Output Voltage Accuracy
z 1mA 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 To-263, and To-220 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
DS7963 Ver 1.4 Oct. 2007
Figure1.
1
1 page  
EUP7963
Electrical Characteristics
Limits in standard typeface are for TJ =25°C. Unless otherwise specified: VIN= VOUT(nom) +1V, IL=10mA,COUT=10µF
Symbol
Parameter
Conditions
EUP7963
Min Typ Max.
Unit
VIH
VIL
Enable Threshold
Output = High
Output = Low
1.4 0.3 V
TdOFF
TdON
Turn-off delay
Turn-on delay
IL = 3A
IL = 3A
15
20
µs
IEN VEN Pin Input Current
VEN=VIN
0.1 1
µA
ERROR Flag
VT Threshold
VTH Threshold Hysteresis
VEF(Sat) ERROR Flag Saturation
www.DataTSdheet4UF.cloamg Reset Delay
ISINK=100µA
7 10 14
358
0.02 0.2
1
%
%
V
µs
IIK
ERROR Flag Pin Leakage
Current
Imax
ERROR Flag Pin Sink
Current
VError=0.5V
1 nA
3 mA
AC Parameters
PSRR Ripple Rejection
en Output Noise Voltage
Over Temperature Protection
VIN=VOUT+1V
COUT=10uF
VOUT=3.3V, f=120Hz
BW=10Hz -100kHz
VOUT=2.5V
56 dB
200 µV(rms)
TSH(t)
TSH(h)
Shutdown Threshold
Thermal Shutdown
Hysteresis
150 °C
15 °C
DS7963 Ver 1.4 Oct. 2007
5
5 Page 
TO263-5
EUP7963
www.DataSheet4U.com
SYMBOLS
A
C2
b
D
E
e
H
L
L1
D1
E1
MILLIMETERS
MIN.
MAX.
4.06 4.83
1.14 1.65
0.51 1.00
8.38 9.65
9.65 10.67
1.70
14.60
15.88
1.78 2.80
- 1.68
6.86 -
6.22 -
INCHES
MIN.
0.160
0.045
0.020
0.330
0.380
0.067
0.575
0.070
-
0.270
0.245
MAX.
0.190
0.065
0.039
0.380
0.420
0.625
0.110
0.066
-
-
DS7963 Ver 1.4 Oct. 2007
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet EUP7963.PDF ] | |
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