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PDF AP2218 Data sheet ( Hoja de datos )
| Número de pieza | AP2218 | |
| Descripción | LOW DROPOUT LINEAR REGULATOR | |
| Fabricantes | BCD Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP2218 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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Preliminary Datasheet
1A LOW DROPOUT LINEAR REGULATOR
AP2218
General Description
Features
The AP2218 is a low dropout linear regulator with a · Minimum Guaranteed Output Current: 1A
typical dropout of 300mV at 1A output current.
· Dropout Voltage at IOUT=1A: 300mV
The AP2218 provides current limit and thermal shut-
down. On-chip thermal shutdown provides protection
·
·
Output Accuracy: ± 1%
Low Ground Current
against any combination of high current and ambient · Internal Current Limit and Thermal Protection
temperature that would create excessive junction tem- · Reversed-battery and Reversed-lead Insertion
peratures.
Protection
· Fast Transient Response
The AP2218 has 3.3V and 5.0V versions.
The AP2218 is available in the industry standard TO- Applications
220F-4 package.
· Power Module
· Set Top Box
· LCD TV
· PDP TV
· Cordless Phone
www.DataSheet4U.com
Aug. 2005 Rev. 1. 0
TO-220F-4
Figure 1. Package Type of AP2218
BCD Semiconductor Manufacturing Limited
1
1 page  
1A LOW DROPOUT LINEAR REGULATOR
1A LOW DROPOUT LINEAR REGULATOR
Preliminary Datasheet
AP2218
AP2218
Electrical Characteristics
AP2218-3.3V Electrical Characteristics
Operating Conditions: VIN=4.3V, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface
applies over -40oC≤TJ≤125oC. (P≤maximum power dissipation.)
Parameter
Symbol
Condition
Min Typ Max Unit
Output Voltage
VOUT
IOUT=10mA
10mA≤IOUT≤1A, 4.3V≤VIN≤6.3V
(Note 2)
3.27 3.3 3.33
3.23 3.37
V
V
Line Regulation
Load Regulation
Output Voltage
Temperature Coefficient
Dropout Voltage (Note 3)
Ground Current
Current Limit
Minimum Load Current
Output Noise Voltage (rms)
Enable Input
VRLINE
VRLOAD
∆VOUT/∆T
IOUT=10mA, 4.3V≤VIN≤8V
VIN=4.3V, 10mA≤IOUT≤1A
IOUT=10mA
VDROP
IGND
ILIMIT
ILOAD(MIN)
∆VOUT=1% IOUT=100mA
IOUT=1A
VIN=4.3V
IOUT=750mA
IOUT=1A
VOUT=0V (Note 4)
10Hz to 100KHz, IOUT=100mA,
COUT=10µF
3.3 33 mV
6.6 50 mV
66 330 µV/oC
70 200
300 550
6 15
10
1.5 2.2
15
400
mV
mV
mA
mA
A
mA
µV
Enable Input Voltage
VEN Logic low (off)
Logic high (on)
0.8 V
2.25 V
Enable Input Current
IIN VEN=2.25V
VEN=0.8V
Shutdown Output Current IOUT(SHDN) (Note 5)
1 15 30 µA
75
2 µA
4
10 20 µA
Note 2: For the details of VIN range, please refer to (VIN-VOUT)*ILOAD≤maximum power dissipation (Figure 4).
Note 3: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value
which is measured at VOUT+1V applied to VIN.
Note 4: VIN=VOUT(NOMINAL)+1V.
Note 5: VEN ≤0.8V, VIN≤8V, VOUT=0V.
Aug. 2005 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
5
5 Page 
1A LOW DROPOUT LINEAR REGULATOR
1A LOW DROPOUT LINEAR REGULATOR
Typical Application
Preliminary Datasheet
AP2218
AP2218
VIN=6V
CIN
10µF
1 VIN
VOUT 2
AP2218-5.0
4
EN
GND
Enable
3 Shutdown
VOUT=5V
COUT
10µF
Figure 17. Typical Application of AP2218
Aug. 2005 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AP2218.PDF ] | |
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