ANPEC APL1565A-33KC-TU, APL1565A-33KC-TR, APL1565A-28KC-TU, APL1565A-28KC-TR, APL1565A-25KC-TU Datasheet
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Copyright ANPEC Electronics Corp.
Rev. A.3 - Oct., 2002
APL1565A
www.anpec.com.tw1
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.
1A Low Dropout, Fast Response Fixed Voltage Regulator
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Guaranteed Output Voltage Accuracy within 2%
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Fast Transient Response
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Load Regulation : 1mV Typ.
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Line Regulation : 4mV Typ.
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Low Dropout Voltage : 210mV at I
OUT
=1A
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Current Limit : 1A Typ. at TJ=125 °C
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• On-Chip Thermal Limiting : 150 °C Typ.
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• Standard 8-pin SO Power Package
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• Very Low Shutdown Current : < 0.5µA
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• Fixed Output Voltage : 2.5V, 2.8V and 3.3V
Features
Applications
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• Peripheral Cards
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• Active SCSI Terminators
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• Low Voltage Logic Supplies
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• Post Regulator for Switching Power Supply
General Description
The APL1565A is a low dropout regulators operate
from 2.7V to 6V input voltage and deliver up to 1A
current capability. In order to obtain lower dropout
voltage and faster transient response, which is critical for low voltage applications, the APL1565/A has
been optimized.
The device is available in fixed output voltages of
2.5V,2.8V and 3.3V. APL1565A Dropout voltage is
guaranteed at a maximum of 210mV at 1A load.
Current limit is trimmed to ensure specified output
current and controlled short-circuit current. On-chip
thermal limiting provides protection against any combination of overload that would create excessive junction temperatures.
The APL1565A is available in the industry standard
8-pin SO power package which can be used in applications where space is limited.
Pin Configuration
1
2
3
45
6
7
8EN
V
IN
V
OUT
NC GND
GND
GND
GND
APL1565A
Front View for SO - 8
Copyright ANPEC Electronics Corp.
Rev. A.3 - Oct., 2002
APL1565A
www.anpec.com.tw2
PIN
No. Name
I/O Description
(1)
Note1
EN I Enable control pin, low = off , high = normal .
2VINI Supply voltage input.
3V
OUT
O Output pin of the regulator.
5(6,7,8)
Note1
GND
Ground pins of the circuitry, and all ground pins must be soldered to
PCB with proper power dissipation.
Symbol Parameter Rating Unit
VIN, V
OUT
Input Voltage or Out Voltage 6 V
EN Enable Control Pin 6 V
R
TH,JA
Thermal Resistance – Junction to Ambient 210
°
C/W
P
D
Power Dissipation Internally Limited W
T
J
Operating Junction Temperature
°
C
Control Section 0 to 125
Power Transistor 0 to 150
T
STG
Storage Temperature Range -65 to +150
°
C
T
L
Lead Temperature (Soldering, 10 second) 260
°
C
Package C ode
K : SOP-8
Tem p. Range
C : 0 to 70 C
Handling Code
TU : Tube TR : Tape & Reel
Voltage Code
25 : 2.5V 28 : 2.8V 33: 3.3V
°
APL15 65A -
Handling Code
Tem p. Range
Package C ode
Voltage Code
APL1565A -25K :
APL1565A
XXXXX25
XXXXX - Date Code
APL1565A -28K :
APL1565A
XXXXX28
XXXXX - Date Code
APL1565A -33K :
APL1565A
XXXXX33
XXXXX - Date Code
Ordering and Marking Information
Absolute Maximum Ratings
Pin Description
Copyright ANPEC Electronics Corp.
Rev. A.3 - Oct., 2002
APL1565A
www.anpec.com.tw3
APL1565A
Symbol Parameter Test Conditions
Min. Typ. Max.
Unit
V
IN
Input Voltage 2.7 6 V
V
OUT
Output Voltage V
OUT
+1.0V< VCC<6.0V, 0mA< I
OUT
< I
MAX
V
OUT
-2
%
V
OUT
V
OUT
+2
%
V
I
LIMIT
Circuit Current Limit
1.0 1.2 A
REG
LINE
Line Regulation V
OUT
+0.5V< VCC<6.0V, 0mA< I
OUT
< I
MAX
410mV
REG
LOAD
Load Regulation VIN =V
OUT
+1.0V, 0mA< I
OUT
< I
MAX
1
6
mV
V
DROP
Dropout Voltage
I
OUT
=1A, Tj = 0~125°C
210 400 mV
PSRR Ripple Rejection
F≤1kHz, 1Vpp at V
IN
= V
OUT
+1.0V
55 65 dB
No load 50 100
I
Q
Quiescent Current
I
OUT
=1A 370 300
µ
A
Shutdown Supply
Current
EN = low
I
OUT
=0, VCC =6.0V
0.01 1
µ
A
V
IH
1.8
V
IL
Enable Pin
Threshold
V
IN
=3.3V
0.4
V
150
°
C
OTS Over Temperature
Hysteries 10
°
C
TC
Output Voltage
Temperature
Coefficient
50 ppm/°C
Electrical Characteristics
Unless otherwise noted these specifications apply over full temperature , VIN=3.6V, CIN=COUT=4.7uF, EN=VIN,
TJ=0 to 125°C . Typical values refer to TJ=25°C .
Application Circuit
APL1565A
IN
OUT
GND
V
IN
=5V
C
OUT
10uF
V
OUT
=3.3V
C
IN
10F
EN
ON
OFF
5V to 3.3V Regulation with Enable Function
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