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PDF EUP7907A-29VIR1 Data sheet ( Hoja de datos )
| Número de pieza | EUP7907A-29VIR1 | |
| Descripción | 600mA Low Noise High PSRR Low Dropout Linear Regulator | |
| Fabricantes | Eutech Microelectronics | |
| Logotipo |  |
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EUP7907A
600mA Low Noise High PSRR
Low Dropout Linear Regulator
DESCRIPTION
The EUP7907A is a high current, low dropout linear
regulator with fast transient response and high PSRR. It
offers high output accuracy, extremely low dropout voltage,
low quiescent current and fast start-up time.
The EUP7907A is designed to work with low-ESR ceramic
capacitor, reducing the amount of the PCB area necessary for
power applications. Only a 2.2uF ceramic capacitor can
make the device stable over the whole load range.
The EUP7907A monitors the input voltage for power on
reset to ensure the regulator is disabled when the input
voltage is not high enough for normal operation. When
EUP7907A detects fault signal, such as over-temperature, it
will turn off the pass transistor and discharge VOUT to GND
from the internal resistor.
EUP7907A only can be operated in fixed mode, the pre-set
valve is from 1.2V~3.6V. By setting the capacitor connected
to BYPASS pin can get high PSRR. Other key features
include over-current protection, thermal shutdown. The
device can be available in the TDFN-6 and SOT23-5
package.
FEATURES
z 2.5V to 5.5V Input Voltage Range
z 300mV@600mA Dropout Voltage
z Excellent Transient Response
z Stable with 2.2uF Ceramic Output Capacitor
z 70dB PSRR at 1kHz
z Low 120µA Quiescent Current
z Low Shutdown Current:<1µA
z Output Current Limit
z Output Voltage With High Accuracy:
2% Initial Accuracy
Fixed Output Voltage: 1.2V ~ 3.6V
z Thermal Shutdown
z COUT Auto-Discharge when Shutdown
z RoHS Compliant and 100% Lead (Fb)-Free
APPLICATIONS
z Cellular Phones
z Bluetooth portable radios and Accessories
z battery-Powered Equipment
z Laptop, Palmtops, Notebook Compute
Typical Application Circuit
DS7907A Ver 1.2 ay 2009
Figure. 1 Fixed Output
1
1 page  
EUP7907ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Electrical Characteristics (continued)
TA=25, V IN=VOUT+1V, or VIN=2.5V for VOUT<1.5V unless otherwise specified
Symbol
Parameter
Conditions
EUP7907A
Min. Typ. Max. Unit
Protection
ILIMIT Current Limit
600 900
mA
TSD
Thermal Shutdown
Temperature
No Load, VIN=VEN=5V
170
TSDHYS
Thermal Shutdown
Hysteresis
No Load, VIN=VEN=5V
30
Note 1: Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for
extended periods may remain possibility to affect device reliability.
Note 2: Dropout is defined as VIN-VOUT when VOUT is 100mV below the value of VOUT for VIN=VOUT+0.5V.
Note 3: Test time needed for VOUT to reach 90% of final value
DS7907A Ver 1.2 ay 2009
5
5 Page 
Packaging Information
EUP7907ATel: 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
DS7907A Ver 1.2 ay 2009
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet EUP7907A-29VIR1.PDF ] | |
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