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33063AP 데이터시트 PDF




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33063AP 데이터시트, 핀배열, 회로
DC-to-DC Converter
Control Circuits
The MC34063A Series is a monolithic control circuit containing the
primary functions required for DC–to–DC converters. These devices consist
of an internal temperature compensated reference, comparator, controlled
duty cycle oscillator with an active current limit circuit, driver and high current
output switch. This series was specifically designed to be incorporated in
www.DataSheet4SUt.ecpomDown and Step–Up and Voltage–Inverting applications with a
minimum number of external components. Refer to Application Notes
AN920A/D and AN954/D for additional design information.
Operation from 3.0 V to 40 V Input
Low Standby Current
Current Limiting
Output Switch Current to 1.5 A
Output Voltage Adjustable
Frequency Operation to 100 kHz
Precision 2% Reference
Order this document by MC34063A/D
MC34063A
MC33063A
DC–to–DC CONVERTER
CONTROL CIRCUITS
SEMICONDUCTOR
TECHNICAL DATA
8
1
P, P1 SUFFIX
PLASTIC PACKAGE
CASE 626
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
Representative Schematic Diagram
Drive 8
Collector
Ipk 7
Sense
6
VCC
Comparator 5
Inverting
Input
S Q Q2
R
100
Q1
Ipk
Oscillator
CT
Comparator
+ 1.25 V
Reference
Regulator
1
Switch
Collector
2 Switch
Emitter
3 Timing
Capacitor
4
Gnd
(Bottom View)
This device contains 51 active transistors.
MOTOROLA ANALOG IC DEVICE DATA
PIN CONNECTIONS
Switch
Collector
Switch
Emitter
1
2
Timing 3
Capacitor
Gnd 4
8
Driver
Collector
7 Ipk Sense
(Top View)
6 VCC
Comparator
5 Inverting
Input
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC33063AD
SO–8
TA = – 40° to +85°C
MC33063AP1
Plastic DIP
MC33063AVD
SO–8
TA = –40° to +125°C
MC33063AVP
Plastic DIP
MC34063AD
MC34063AP1
TA = 0° to +70°C
SO–8
Plastic DIP
© Motorola, Inc. 1996
Rev 5
1




33063AP pdf, 반도체, 판매, 대치품
MC34063A MC33063A
Figure 3. Emitter Follower Configuration Output
Saturation Voltage versus Emitter Current
1.8
1.7
1.6
1.5
1.4
1.3
VCC = 5.0 V
1.2 Pins 1, 7, 8 = VCC
Pins 3, 5 = Gnd
1.1 TA = 25°C
(See Note 4)
1.0
www.DataSheet4U.com 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
IE, EMITTER CURRENT (A)
Figure 4. Common Emitter Configuration Output
Switch Saturation Voltage versus
Collector Current
1.1
1.0
0.9 Darlington Connection
0.8
0.7
0.6 VCC = 5.0 V
0.5 Pin 7 = VCC
0.4
Pins 2, 3, 5 = Gnd
TA = 25°C
0.3 (See Note 4)
Forced β = 20
0.2
0.1
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
IC, COLLECTOR CURRENT(A)
Figure 5. Current Limit Sense Voltage
versus Temperature
400
380
360
VCC = 5.0 V
Ichg = Idischg
340
320
300
280
260
240
220
200
–55
–25 0 25 50 75
TA, AMBIENT TEMPERATURE (°C)
100
125
Figure 6. Standby Supply Current versus
Supply Voltage
3.6
3.2
2.8
2.4
2.0
1.6
1.2
CT = 1.0 nF
0.8 Pin 7 = VCC
Pin 2 = Gnd
0.4
0
0 5.0 10 15 20 25 30 35 40
VCC, SUPPLY VOLTAGE (V)
NOTE: 4. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.
4 MOTOROLA ANALOG IC DEVICE DATA

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33063AP 전자부품, 판매, 대치품
MC34063A MC33063A
Figure 11. Voltage Inverting Converter
8
7
www.DataSheet4U.com
Rsc
0.24
Vin
4.5 V to 6.0 V +
100
6
5
1
SQ
R
Q2
Q1
Ipk
Osc
CT
VCC
+
Comp.
1.25 V
Ref
Reg
2
L 88 µH
3
+ 1500
pF
4
1N5819
R2 8.2 k
R1
953
1000 µf
Vout
–12 V/100 mA
+ CO
1.0 µH
Vout
100
+
Optional Filter
Test
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency
Output Ripple With Optional Filter
Conditions
Vin = 4.5 V to 6.0 V, IO = 100 mA
Vin = 5.0 V, IO = 10 mA to 100 mA
Vin = 5.0 V, IO = 100 mA
Vin = 5.0 V, RL = 0.1
Vin = 5.0 V, IO = 100 mA
Vin = 5.0 V, IO = 100 mA
Results
3.0 mV = ± 0.012%
0.022 V = ± 0.09%
500 mVpp
910 mA
62.2%
70 mVpp
Figure 12. External Current Boost Connections for IC Peak Greater than 1.5 A
12a. External NPN Switch
12b. External PNP Saturated Switch
8
7
Vin 6
1
8
2 Vout 7
Vin 6
1
Vout
2
MOTOROLA ANALOG IC DEVICE DATA
7

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33063AP

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Motorola Semiconductors
Motorola Semiconductors

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