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PDF AP7311 Data sheet ( Hoja de datos )
| Número de pieza | AP7311 | |
| Descripción | Fast Transient Low Dropout Linear Regulator | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP7311 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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Features
AP7311
150mA, Low Quiescent Current, Fast Transient
Low Dropout Linear Regulator
Description
• 150mA Low Dropout Regulator with EN
• Very low IQ over full load: 65µA
• Wide input voltage range: 2V to 6V
• Wide adjustable output: 0.8V to 5.0V
• Fixed output options: 1.0V to 3.3V
• PSRR: 65dB at 100Hz
• Fast start-up time: 80µs
• Stable with low ESR, 1µF ceramic output capacitor
• Excellent Load/Line Transient Response
• Low dropout: 150mV typical at 150mA
• Current limit protection
• Short circuit protection
• Thermal shutdown protection
• Ambient temperature range: -40ºC to 85°C
• SOT25: Available in “Green” Molding Compound
(No Br, Sb)
• Lead Free Finish/RoHS Compliant (Note 1)
The AP7311 is a 150mA, adjustable and fixed output voltage, low
dropout linear regulator. The device included pass element, error
amplifier, band-gap, current limit and thermal shutdown circuitry.
The device is turned on when EN pin is set to logic high level.
The characteristics of low dropout voltage and low quiescent
current make it suitable for low power applications, for example,
battery powered devices. The typical quiescent current is
approximately 65μA.
Built-in current-limit and thermal-shutdown functions prevent IC
from damage in fault conditions.
The AP7311 is available in SOT25 package.
Applications
• Notebook and Desktop Computers and Pheripherals
• Portable Devices
• Battery Powered Devices
• CD-ROM, DVD and LAN Cards
http://www.DataSheet4U.net/
Typical Application Circuit
VIN
IN OUT
AP7311
1uF
Enable EN
GND
VOUT
1uF
VIN
IN OUT
AP7311
1uF
Enable EN
ADJ
GND
R1
R2
VOUT
1uF
Fixed Output
Adjustable Output
VOUT
= VREF ⎜⎜⎝⎛1 +
R1
R2
⎟⎟⎠⎞
AP7311 Rev. 2
1 of 13
www.diodes.com
NOVEMBER 2009
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
1 page  
Electrical Characteristics
AP7311
150mA, Low Quiescent Current, Fast Transient
Low Dropout Linear Regulator
(TA = 25oC, VIN = VOUT +1V, CIN = 1uF, COUT = 1uF, VEN = 2V, unless otherwise stated)
Symbol
Parameter
Test Conditions
Min Typ. Max Unit
IQ Input Quiescent Current
ISHDN
ILEAK
VDropout
VREF
IADJ
Input Shutdown Current
Input Leakage Current
Dropout Voltage (Note 5)
ADJ Reference Voltage (Adjustable
version)
ADJ Leakage (Adjustable version)
VOUT Output Voltage Accuracy
ΔVOUT
/ΔVIN/V
ΔVOUT
/VOUT
Line Regulation
Load Regulation
tST Start-up Time
PSRR PSRR
ISHORT
ILIMIT
VIL
VIH
IEN
TSHDN
THYS
θJA
Short-circuit Current
Current Limit
EN Input Logic Low Voltage
EN Input Logic High Voltage
EN Input Current
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
Thermal Resistance
Junction-to-Ambient
VEN = VIN, IOUT = 0mA
VEN = VIN, IOUT = 150mA
VEN = 0V, IOUT = 0mA
VEN = 0V, OUT grounded
IOUT = 150mA
⎯
55
65
75
85
μA
⎯ 1 μA
⎯ 1 μA
150 300 mV
IOUT= 0mA
TA = -40oC to 85oC,
IOUT = 30mA
VIN = (VOUT +1V) to VIN-Max,
VEN = VIN, IOUT = 1mA
VIN = (VOUT +1V) to VIN-Max,
IOUT from 1mA to 150mA
VEN = 0V to 2.0V, VOUT = 1.8V
IOUT = 150mA
VIN = [VOUT +1V]VDC + 0.5VppAC,
f = 100Hz, IOUT = 30mA
VIN = VIN-Min to VIN-Max, VOUT < 0.2V
VIN = (VOUT +1V) to VIN-Max,
VOUT/ROUT = 0.5Ahttp://www.DataSheet4U.net/
VIN = VIN-Min to VIN-Max
VIN = VIN-Min to VIN-Max
VIN = 0V or VIN-Max
⎯
-2
-0.6
200
1.4
-1
0.4
0.01
80
65
50
300
140
15
1
2
0.20
0.6
0.4
1
V
μA
%
%/V
%
μs
dB
mA
mA
V
V
μA
°C
°C
SOT25 (Note 6)
190 oC/W
Notes:
5. Dropout voltage is the voltage difference between the input and the output at which the output voltage drops 2% below its nominal value.
This parameter only applies to output voltages above 1.8V.
6. Test conditions for SOT25: Device mounted on FR-4 substrate PCB, with minimum recommended pad layout, 2oz copper, single sided
AP7311 Rev. 2
5 of 13
www.diodes.com
NOVEMBER 2009
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
Marking Information
AP7311
150mA, Low Quiescent Current, Fast Transient
Low Dropout Linear Regulator
(1) SOT25
( Top View )
54
XX Y W X
123
XX : Identification code
Y : Year 0~9
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X : A~Z : Green
Device
AP7311-ADJ
AP7311-10
AP7311-12
AP7311-15
AP7311-18
AP7311-20
AP7311-25
AP7311-28
AP7311-30
AP7311-33
Package
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25http://www.DataSheet4U.net/
SOT25
SOT25
SOT25
Identification Code
RM
RN
RP
RR
RS
RT
RU
RV
RW
RX
AP7311 Rev. 2
11 of 13
www.diodes.com
NOVEMBER 2009
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AP7311.PDF ] | |
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