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PDF APL5521 Data sheet ( Hoja de datos )
| Número de pieza | APL5521 | |
| Descripción | 3.3V/500mA and 2.5V/300mA Linear Regulator | |
| Fabricantes | Anpec Electronics | |
| Logotipo |  |
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APL5521
Dual-Channel, 3.3V/500mA and 2.5V/300mA Linear Regulator
Features
General Description
• Fixed Output Voltage :
VOUT1=3.3V/500mA
VOUT2=2.5V/300mA
• Low Dropout Voltage (defined as the minimum
www.DataSheet4U.com input/output voltage difference):
Output 1 Dropout Voltage : 1.25V (at 500mA)
Output 2 Dropout Voltage : 1.2V (at 300mA)
• Stable with 10uF Output Capacitor(at VOUT1)
Stable with 10uF Output Capacitor(at VOUT2)
• No Protection Diodes Needed
• Built in Thermal Protection
• Built in Current Limit Protection
• Fast transient Response
• Short Setting Time
• SOP-8 Package Available
The APL5521 is a dual low dropout regulator with
output 1 with 3.3V/0.5A and output2 with 2.5V/0.3A
output capability. In order to obtain lower dropout
voltage and faster transient response, which is criti-
cal for low voltage applications, the APL5221 has
been optimized. The dropout voltages are guaran-
teed at 1.25V at 0.5A for output1 and 1.2V at 0.3A
for output 2. Current limit is trimmed to ensure speci-
fied output current and controlled short-circuit current.
On-chip thermal limiting provides protection against
any combination of overload that would create ex-
cessive junction temperatures. The APL5521 regu-
lator comes in a SOP-8 package.
Pin Configuration
SOP − 8
Applications
• Desktop Computer
• Networking Systems
• Optical Data Storage Systems
VOUT1
V IN
V IN
VOUT2
18
27
36
45
APL5521
GND
GND
GND
GND
Ordering and Marking Information
APL5521
APL5521 K :
Lead Free Code
H a nd lin g C od e
Tem p. Range
Package Code
APL5521
XXXXX
Package Code
K : SO -8
O perating Junction Tem p. R ange
C : 0 to 150°C
H andling C ode
TU : Tube
TR : Tape & Reel
Lead Free C ode
L : Lead F ree D evice B lank : O riginal D evice
XXXXX - Date Code
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright ANPEC Electronics Corp.
Rev. A.5 - Oct., 2003
1
www.anpec.com.tw
1 page  
APL5521
Typical Characteristics (Cont.)
Line Transient
50 7
40 6
www.DataSheet4U.com
30
20
5
4
10 3
02
-10 1
-20 0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
Time (ms)
Load Regulation vs. Output Current
14
12
10
8
6
4
2
0
0 100 200 300 400 500
Output Current (mA)
Load Transient
10 3.5
53
0 2.5
-5 2
-10 1.5
-15 1
-20 0.5
-25 0
-30 -0.5
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Time (ms)
Dropout Voltage vs. IOUT
1.6
1.4
1.2
1
0.8
0.6
0
100 200 300 400 500
IOUT (mA)
Copyright ANPEC Electronics Corp.
Rev. A.5 - Oct., 2003
5
www.anpec.com.tw
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet APL5521.PDF ] | |
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