AIC1563CN. 1563CN Datasheet

1563CN AIC1563CN. Datasheet pdf. Equivalent

Part 1563CN
Description AIC1563CN
Feature www.DataSheet4U.com AIC1563 Versatile DC/DC Converter FEATURES 3V to 30V Input Voltage Operation. .
Manufacture Analog Intergrations Corporation
Datasheet
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1563CN
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FEATURES
3V to 30V Input Voltage Operation.
Internal 2A Peak Current Switch.
1.5A Continuous Output Current.
Bootstrapped Driver.
High Side Current Sense Capability.
High Efficiency (up to 90%).
Internal ±2% Reference.
Low Quiescent Current at 1.6mA.
Frequency Operation from 100Hz to 100KHz.
APPLICATIONS
Constant Current Source for Battery Chargers.
Saver for Cellular phones.
Step-Down DC-DC Converter Module.
AIC1563
Versatile DC/DC Converter
DESCRIPTION
The AIC1563 is a monolithic control circuit
containing the primary functions required for DC
to DC converters and highside-sensed constant
current source. The device consists of an inter-
nal temperature compensated reference, com-
parator, controlled duty cycle oscillator with an
active current sense circuit, bootstrapped driver,
and high current output switch. This device is
specifically designed to construct a constant
current source for battery chargers with a mini-
mum number of external components. Boot-
strapped driver can drive the NPN output switch
to saturation for higher efficiency and less heat
dissipation. The AIC1563 can deliver 1.5A con-
tinuous current without requiring a heat sink.
TYPICAL APPLICATION CIRCUIT
D2
R2
120
R1
1K
3C
1µF
1N1418
VIN
+ 220µF
C1
CT
DC
DE
CF
GND
BOOST
IS
VCC
FB
AIC1563
220µH
D3
1N5819 *RS
L
D1
1N5821
220µF
+
CO
+
C5
10µF
IO
RB
RA 33K
5.6K
*IO=300mV/RS
(%)
100
90
80
70
0
VIN= 1 6 V, VO= 1 2 V
VIN= 1 6 V, V O= 8 V
0.5 1
1.5
Io (A)
Efficiency vs Output Current
2
Analog Integrations Corporation 4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
DS-1563-01 Jan 30, 01
TEL: 886-3-5772500 FAX: 886-3-5772510
www.analog.com.tw
1



1563CN
AIC1563
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AIC1563
ORDERING INFORMATION
AIC1563 XX
PACKAGE TYPE
N: PLASTIC DIP
S: SMALL OUTLINE
TEMPERATURE
C: 0°C~+70°C
ORDER NUMBER
PIN CONFIGURATION
AIC1563CN
(PLASTIC DIP)
AIC1563CS
(PLASTIC SO)
TOP VIEW
DC 1
DE 2
CF 3
GND 4
8 BOOST
7 IS
6 VCC
5 FB
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ..............................................................……………............................. 30V
Comparator Input Voltage Range ............................................………….......... -0.3V~30V
Switch Collector Voltage ....................................................……………......................... 30V
Switch Emitter Voltage ......................................................……………......................... 30V
Switch Collector to Emitter Voltage ..................................…………............................. 30V
Driver Collector Voltage ....................................................…………….......................... 30V
Switch Current ................................................………………......................................... 2A
Power Dissipation and Thermal Characteristics
DIP Package
Ta= 25°C ............................…………................................ 1.0W
Thermal Resistance .............…………......................... 100°C/W
SO Package
Ta= 25°C ......................……………............................... 625mW
Thermal Resistance ...................………...................... 160°C/W
Operating Junction Temperature .....................................................………............. 125°C
Operating Ambient Temperature Range .......................……………......................... 0~70°C
Storage Temperature Range ...................................………….................... - 65°C ~ 150°C
TEST CIRCUIT
1A
Current Source
2V/0V
IDISCHG/ ICHG
CT 1nF
1
DC
2
DE
3
CF
4
GND
BOOST 8
7
IS
VCC 6
FB 5
AIC1563
R1
1K
VCC
50mA
Current Source
4.55V
@VCC=5V
4.75V
VCC
1.275V
1.225V
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