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PDF AP2318 Data sheet ( Hoja de datos )
| Número de pieza | AP2318 | |
| Descripción | 600mA ULDO REGULATOR | |
| Fabricantes | BCD | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP2318 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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600mA LOW DROPOUT LINEAR REGULATOR
600mA ULDO REGULATOR WITH ENABLE
General Description
Features
Data Sheet
AP1117M
AP2318
The AP2318 is a series of ultra low dropout regulators
optimized for low voltage applications where transient
response and minimum input voltage are critical.
The AP2318 provides current limit and thermal
shutdown. Its circuit includes a trimmed bandgap
reference to assure output voltage accuracy to be
within ±1.5%. On-chip thermal shutdown provides
protection against any combination of overload and
ambient temperatures that would create excessive
junction temperatures.
The AP2318 has both fixed and adjustable versions.
The 1.3V fixed versions integrate the corresponding
resistor divider. The adjustable version can set the
output voltage through two external resistors.
· Wide Operating Voltage Ranges: 2.5V to 12V
· Output Voltage Accuracy: ±1.5%
· On-chip Thermal Shutdown
· ESD: Human Body Model 3kV
Machine Model 600V
· Operating Junction Temperature: -40oC to 125oC
Applications
· Notebook
· USB Device
· Add-on Card
· DVD Player
· PC Motherboard
The AP2318 is available in the standard DFN-3×3-8
and SOIC-8 packages.
DFN-3×3-8
SOIC-8
Figure 1. Package Types of AP2318
May. 2011 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
1
1 page  
600mA LOW DROPOUT LINEAR REGULATOR
600mA ULDO REGULATOR WITH ENABLE
Data Sheet
AP1117M
AP2318
Electrical Characteristics
Operating Conditions: 2.5V≤VIN≤12V, CIN=1µF, COUT=2.2µF, TJ=25oC, unless otherwise specified. (P≤Maxi-
mum Power Dissipation). Limits appearing in Boldface type apply over the entire junction temperature range for
operation of -40oC to 125oC.
Parameter
Symbol
Conditions
Reference Voltage
Output Voltage
Maximum Output
Current
VREF
VOUT
AP2318-ADJ IOUT=10mA, VIN-VOUT=2V, TJ=25oC
10mA≤IOUT≤600mA, VOUT+2V≤VIN ≤12V
IOUT=10mA, VIN=2.5V, TJ=25oC
10mA≤IOUT≤600mA, 2.5V≤VIN ≤12V
IOUT(max) VIN-VOUT=2V
Line Regulation
Load Regulation
Dropout Voltage
VRLINE
VRLOAD
VDROP
AP2318-ADJ
IOUT=10mA, VOUT+2V≤VIN≤12V
IOUT=10mA, 2.5V≤VIN ≤12V
AP2318-ADJ
VIN=VOUT+2V, 10mA≤IOUT≤600mA
VIN=2.5V, 10mA≤IOUT≤600mA
∆VOUT (∆VREF)=1%, IOUT=600mA
Adjust Pin Current
IADJ
Minimum Load
Current
Quiescent Current
ILOAD(min) VOUT+2V≤VIN≤12V (ADJ only)
IQ VIN=VOUT+2V, IOUT=0mA
RMS Output Noise
(% of VOUT)
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
Enable Input Voltage
VNOI TA=25oC, 10Hz≤f≤20kHz
Enable logic low
VEN Enable logic high
Enable Input Current
IEN
VEN=2.25V
VEN=0.8V
Thermal Resistance,
(Junction to Case)
DFN-3×3-8
θJC SOIC-8
Min Typ Max Unit
0.788 0.800 0.812
0.784 0.800 0.816
V
-1.5%
-2%
1.5%
2%
V
0.85 1.2
A
1 6 mV
1 6 mV
1 10 mV
1 10
0.35
0.05 1
mV
V
µA
1.7 5 mA
250 µA
0.003
%
150 oC
25
2.25
5
15
24
oC
0.8
V
15 µA
4 µA
oC/W
May. 2011 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
5
5 Page 
600mA LOW DROPOUT LINEAR REGULATOR
600mA ULDO REGULATOR WITH ENABLE
Typical Performance Characteristics (Continued)
Data Sheet
AP1117M
AP2318
Figure 24. Line Transient Response
(Conditions: VIN=2.5V to 5V, VOUT=0.8V, IOUT=10mA,
CIN=0µF, COUT=2.2µF)
Figure 25. Line Transient Response
(Conditions: VIN=2.5V to 10V, VOUT=0.8V, IOUT=10mA,
CIN=0µF, COUT=2.2µF)
100
90
80
70
60
50
40
30
20
10
0
10
AP2318-ADJ
VOUT=1.2V
V =3 to 4V
IN
CIN=1µF, COUT=2.2µF
ILOAD=10mA
100 1k
Frequency (Hz)
10k
100k
Figure 26. PSRR vs. Frequency
100
90
80
70
60
50
40
30
20
10
0
10
AP2318-ADJ
VOUT=0.8V
VIN=3 to 4V
CIN=1µF, COUT=2.2µF
ILOAD=10mA
100 1k
Frequency (Hz)
10k
100k
Figure 27. PSRR vs. Frequency
May. 2011 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet AP2318.PDF ] | |
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