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APL5523 Datasheet

  • APL5523

  • Dual-Channel, 3.3V/500mA and 1.8V/300mA Linear Regulator

  • 546.36KB

  • 12页

  • ANPEC

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APL5523
Dual-Channel, 3.3V/500mA and 1.8V/300mA Linear Regulator
Features
鈥?/div>
Fixed Output Voltage :
V
OUT1
=3.3V/500mA
鈥?/div>
V
OUT2
=1.8V/300mA
Low Dropout Voltage (defined as the minimum
input/output voltage difference):
Output 1 Dropout Voltage : 0.6V (at 500mA)
Output 2 Dropout Voltage : 0.9V (at 300mA)
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Stable with 4.7uF Output Capacitor(at V
OUT1
)
Stable with 2.2uF Output Capacitor(at V
OUT2
)
Built in Thermal Protection
Built in Current Limit Protection
Fast transient Response
Short Setting Time
SOP-8 and SOP-8-P Package Available
General Description
The APL5523 is a dual low dropout regulator with
output1 with 3.3V/0.5A and output2 with 1.8V/0.3A
output capability. In order to obtain lower dropout
voltage and faster transient response, which is criti-
cal for low voltage applications, the APL5223 has
been optimized. The dropout voltages are guaran-
teed at 0.6V at 0.5A for output1 and 0.9V 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 APL5523 regu-
lator comes in a SOP-8 and SOP-8-P package.
Pin Configuration
SOP鈭? (Top View)
V
O U T 1
SOP-8-P (Top View)
V
O U T 1
1
2
3
4
8
7
6
5
Applications
V
G N D
G N D
G N D
G N D
1
2
3
4
8
7
6
5
N C
G N D
N C
N C
V
V
IN
V
V
V
IN
IN
IN
O U T 2
O U T 2
鈥?/div>
鈥?/div>
鈥?/div>
Desktop Computer
Networking Systems
Optical Data Storage Systems
= Thermal Pad
(connected to GND plane for better heat
dissipation)
Ordering and Marking Information
APL5523
L e ad F re e C o d e
H a n d lin g C o d e
T e m p. R an g e
P ackage C ode
P ackage C ode
K : S O P -8
K A : S O P -8-P
O pe ra ting J u nc tio n T e m p . R a ng e
C : 0 to 1 5 0掳 C
H a n d lin g C o d e
T U : T u be
TR : Tape & Reel
L e ad F re e C o d e
L : L e a d F re e D e v ic e
B la n k : O rigin a l D ev ic e
A P L 5 5 2 3 K /K A :
APL5523
XXXXX
X X X X X - D a te C od e
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
铮?/div>
ANPEC Electronics Corp.
Rev. A.1 - July., 2004
1
www.anpec.com.tw

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