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MC34063 参数 Datasheet PDF下载

MC34063图片预览
型号: MC34063
PDF下载: 下载PDF文件 查看货源
内容描述: DC / DC转换器控制电路 [DC/DC CONVERTER CONTROL CIRCUIT]
分类和应用: 转换器
文件页数/大小: 9 页 / 129 K
品牌: AIC [ ANALOG INTERGRATIONS CORPORATION ]
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MC34063A
DC/DC CONVERTER CONTROL CIRCUIT
SPEC NO: DS34063A-00
!
FEATURES
"
"
"
"
"
"
!
DESCRIPTION
The
MC34063A
by
Analog
Integrations
Corporation, an improved second source over the
industrial standard MC34063A, is a monolithic
control circuit containing the primary functions
required
reference,
for
DC/DC
converters.
controlled
The
duty
device
cycle
consists of an internal temperature compensated
comparator,
oscillator with an active current limit circuit, driver
and high current output switch. This device is
specifically designed to be incorporated in step-
down, step-up and voltage-inverting applications
with a minimum number of external components.
The
±1.8%
internal reference and low quiescent
current of 1.6mA are among the improvements of
the device over the competition.
3V to 30V Input Voltage Operation.
Internal 1.6A Peak Current Switch.
Internal
±1.8%
Reference.
Low Quiescent Current at 1.6mA.
Frequency Operation from 100Hz to 100KHz.
Current Limiting.
!
APPLICATIONS
"
"
Saver for Cellular phones
DC-DC Converter Module
!
TYPICAL APPLICATION CIRCUIT
200µH
L
D1
1N5819
8
V
OUT
+
C
O
DRI
IPK
VCC
FB
SC
SE
TC
GND
1
2
3
4
*RS
V
IN
+
C1
100µF
7
6
5
8.6V SAVER
*:Io=0.3/RS
470pF
RB
RA
5.6K
33K
CT
MC34063A
Saver Circuit for Cellular Phone
!
ORDERING INFORMATION
MC34063A XX
PACKAGE TYPE
N: PLASTIC DIP
S: SMALL OUTLINE
TEMPERATURE
C: 0°C~+70°C
220µF
ORDER NUMBER
MC34063ACN
(PLASTIC DIP)
MC34063ACS
(PLASTIC SO)
PIN CONFIGURATION
TOP VIEW
SC 1
SE 2
TC
3
GND 4
8 DRI
7 IPK
6 VCC
5 FB
ANALOG INTEGRATIONS CORPORATION
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
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