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PDF MC34063CN Data sheet ( Hoja de datos )
| Número de pieza | MC34063CN | |
| Descripción | Step Down / Step Up / Inverting DC-DC Converter | |
| Fabricantes | HTC | |
| Logotipo |  |
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Step Down / Step Up / Inverting DC-DC Converter MC34063C
FEATURES
z Operating from 3V to 40V
z Low Standby Current
z Current Limiting
z Output Switch Current to 1.2A
z Output Voltage Adjustable
z Operation Frequency up to 180kHz (CT=100pF)
z Precision 2% Reference
z Available in SOP-8 and DIP-8 Packages
z Moisture Sensitivity Level 3 for SMD Package
SOP-8 PKG
DIP-8 PKG
APPLICATION
z Battery Chargers
z NICs / Switches / Hubs
z ADSL Modems
z Negative Voltage Power Supplies
ORDERING INFORMATION
Device
MC34063CD
MC34063CN
Package
SOP-8
DIP-8
DESCRIPTION
The 34063C is a monolithic switching regulator control circuit containing the primary functions required for
DC-DC converters. This device consists of internal temperature compensated reference, voltage comparator,
controlled duty cycle oscillator with active current limit circuit, driver and high current output switch. The device
is specifically designed to be used in Step-Down, Step-Up and Voltage-Inverting applications with a minimum
number of external components.
The MC34063C is the enhanced version of MC34063A/B with the ability to work in higher frequency.
Absolute Maximum Ratings (Note 1)
CHARACTERISTIC
Power Supply Voltage
Comparator Input Voltage Range
Switch Collector Voltage
Switch Emitter Voltage (VSWC=40V)
Switch Collector to Emitter Voltage
Driver Collector Voltage
Driver Collector Current (Note 2)
Switch Current
SYMBOL
VCC
VIR
VSWC
VSWE
VCE
Vdc
Idc
ISW
MIN.
-
-0.3
-
-
-
-
-
-
MAX.
40
40
40
40
40
40
100
1.2
UNIT
V
V
V
V
V
V
mA
A
Apr. 2011 - Rev.1.2
-1 -
HTC
1 page  
Step Down / Step Up / Inverting DC-DC Converter MC34063C
TYPICAL OPERATING CHARACTERISTICS
OUTPUT SWITCH ON-OFF TIME
vs. OSCILLATOR TIMING CAPACITOR
TIMING CAPACITOR WAVEFORM
OSCILLATOR FREQUENCY
vs. TIMING CAPACITOR
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
EMITTER FOLLOWER CONFIGURATION OUTPUT
SATURATION VOLTAGE vs. EMITTER CURRENT
COMMON EMITTER CONFIGURATION OUTPUT SWITCH
SATURATION VOLTAGE vs. COLLECTOR CURRENT
Apr. 2011 - Rev.1.2
-5 -
HTC
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MC34063CN.PDF ] | |
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