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MC34063CN 데이터시트 PDF




HTC에서 제조한 전자 부품 MC34063CN은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 MC34063CN 자료 제공

부품번호 MC34063CN 기능
기능 Step Down / Step Up / Inverting DC-DC Converter
제조업체 HTC
로고 HTC 로고


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MC34063CN 데이터시트, 핀배열, 회로
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




MC34063CN pdf, 반도체, 판매, 대치품
Step Down / Step Up / Inverting DC-DC Converter MC34063C
ELECTRICAL CHARACTERISTICS
VCC = 5V, TA = -40°C to 85°C, unless otherwise specified.
SYMBOL
PARAMETER
Test Conditions
MIN. TYP. MAX. UNIT
OSCILLATOR
FOSC
Frequency
Vpin5= 0V ,CT= 100pF ,TA = 25°C
170
180
190
kHz
ICHG Charge Current
VCC = 5 to 40V, TA = 25°C
30 38 45 uA
IDISCHG
Discharge Current
IDISCHG/ICHG
VIPK(SENSE)
Discharge to Charge
Current Ratio
Current Limit Sense
Voltage
Output Switch (Note 3)
VCE(SAT)
Saturation Voltage,
Darlington connection
VCE(SAT)
Saturation Voltage (Note 4)
hFE DC Current Gain
VCC = 5 to 40V, TA = 25°C
Pin 7 = VCC, TA = 25°C
ICHG = IDISCHG, TA = 25°C
ISW = 1A , Pins 1,8 connected
ISW = 1A, Rpin8 = 82to VCC,
Forced β ~ 20
ISW = 1A, VCE= 5V, TA = 25°C
180 240 290 uA
5.2 6.5 7.5
250 300 350 mV
1 1.3
0.45 0.8
50 75
V
V
IC(OFF)
Collector Off-state Current VCE = 40V
0.01 100
uA
Comparator
VTH
REGLine
IIB
Threshold Voltage
Threshold Voltage Line
Regulation
Input Bias Current
TA = 25°C
TA = TLOW to THIGH
VCC = 3 to 40V
VIN =0V
1.225 1.25 1.275
1.21 1.29
1.4 5
-20 -400
V
V
mV
nA
TOTAL DEVICE
ICC Supply Current
VCC = 5 to 40V, CT = 1nF,
Pin7 = VCC. Vpin5 > VTH,
Pin2 = GND, Other pins open
- - 4 mA
Note 1. Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress
ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended
Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability.
Note 2. Maximum package power dissipation limits must be observed.
Note 3. Low duty cycle pulse technique are used during test to maintain junction temperature as close to ambient temperature as possible.
Note 4. If the output switch is driven into hard saturation (non-Darlington configuration) at low switch currents (300mA) and high driver
currents (30mA), it may take up to 2.0us for it to come out of saturation. This condition will shorten the off time at frequencies 30 kHz,
and is magnified at high temperatures. This condition does not occur with a Darlington configuration, since the output switch cannot
saturate. If a non-Darlington configuration is used, the following output drive condition is recommended:
Forced β of output switch :
ΙC(OUTPUT)
ΙC(DRIVER) - 7.0mΑ*
10
* The 100resistor in the emitter of the driver device requires about 7 mA before the output switch conducts.
Apr. 2011 - Rev.1.2
-4 -
HTC

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MC34063CN 전자부품, 판매, 대치품
Step Down / Step Up / Inverting DC-DC Converter MC34063C
TYPICAL APPLICATION
Step-Up Converter
L1
120uH
R3
180Ω
8
DRC
1
SWC
RSC
0.4Ω
7
IPK
6
VCC
2
SWE
3
TC
5
VIN
12V
C2
100uF
+
CII
4
GND
D1
IN5819
C3
1500pF
VOUT
28V / 175mA
R1
2.2kΩ
R2
47kΩ
+ C1
330uF
Step-Down Converter
RSC
0.4Ω
VIN
25V
C2
100uF
+
8
DRC
7
IPK
6
VCC
5
CII
1
SWC
2
SWE
3
TC
4
GND
R1
1.2kΩ
R2
3.6kΩ
D1
IN5819
C3
470pF
L1
220uH
+ C1
470uF
VOUT
5V / 0.5A
Apr. 2011 - Rev.1.2
-7 -
HTC

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관련 데이터시트

부품번호상세설명 및 기능제조사
MC34063C

Step Down / Step Up / Inverting DC-DC Converter

HTC
HTC
MC34063CD

DC to DC Convertered Controller

First Components
First Components

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