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PDF NCV3063 Data sheet ( Hoja de datos )
| Número de pieza | NCV3063 | |
| Descripción | Step-Up/Down/Inverting Switching Regulators | |
| Fabricantes | ON Semiconductor | |
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NCP3063, NCP3063B,
NCV3063
1.5 A, Step-Up/Down/
Inverting Switching
Regulators
The NCP3063 Series is a higher frequency upgrade to the popular
MC34063A and MC33063A monolithic DC-DC converters. These
devices consist of an internal temperature compensated reference,
comparator, a controlled duty cycle oscillator with an active current
limit circuit, a driver and a high current output switch. This series was
specifically designed to be incorporated in Step-Down, Step-Up and
Voltage-Inverting applications with a minimum number of external
components.
Features
•ăOperation to 40 V Input
•ăLow Standby Current
•ăOutput Switch Current to 1.5 A
•ăOutput Voltage Adjustable
•ăFrequency Operation of 150 kHz
•ăPrecision 1.5% Reference
•ăNew Features: Internal Thermal Shutdown with Hysteresis
New Features: Cycle-by-Cycle Current Limiting
•ăPb-Free Packages are Available
Applications
•ăStep-Down, Step-Up and Inverting supply applications
•ăHigh Power LED Lighting
•ăBattery Chargers
8
NCP3063
TSD
SET dominant
7
Rs
0.15 W
Vin 6
12 V +
22C0inmF
5
COMPARATOR
R
Q
S
-
+
0.2 V
S
Q
R
SET dominant
OSCILLATOR
CT
+ COMPARATOR
-
1.25 V
REFERENCE
REGULATOR
R1
2.4 kW
R2 3.9 kW
1
2
D
3
CT
2.2 nF
L
47 mH
4 Vout
3.3 V /
800 mA
470 mF +
Cout
Figure 1. Typical Buck Application Circuit
http://onsemi.com
MARKING
DIAGRAMS
8
1
SOIC-8
D SUFFIX
CASE 751
3063x
ALYW
G
1
V3063
ALYW
G
1
8
1
PDIP-8
P, P1 SUFFIX
CASE 626
NCP3063x
AWL
YYWWG
1
NCV3063
AWL
YYWWG
1
8
1
NCP
3063x
ALYW
G
DFN-8
SUFFIX
CASE 488
NCV
3063
ALYW
G
NCP3063x = Specific Device Code
x=B
A = Assembly Location
L, WL
= Wafer Lot
Y, YY
= Year
W, WW = Work Week
G = Pb-Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 16 of this data sheet.
©Ă Semiconductor Components Industries, LLC, 2007
June, 2007 - Rev. 3
1
Publication Order Number:
NCP3063/D
1 page  
NCP3063, NCP3063B, NCV3063
450
400
350
300
250
200
150
100
50
0
0 1 2 3 4 5 6 7 8 9 10 11 12 1314 1516 1718 1920
Ct, CAPACITANCE (nF)
Figure 5. Oscillator Frequency vs. Oscillator
Timing Capacitor
190
180
CT = 2.2 nF
TJ = 25°C
170
160
150
140
130
120
110
3
7 12 16 21 25 29 34 38 40
VCC, SUPPLY VOLTAGE (V)
Figure 6. Oscillator Frequency vs. Supply
Voltage
2.4
2.2
VCC = 5.0 V
IE = 1 A
2.0
1.8
1.6
1.4
1.2
1.0
-50
0
50 100 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 7. Emitter Follower Configuration Output
Darlington Switch Voltage Drop vs. Temperature
1.25
1.20
1.15
VCC = 5.0 V
IC = 1 A
1.10
1.05
1.0
-50
0
50 100 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 8. Common Emitter Configuration Output
Darlington Switch Voltage Drop vs. Temperature
2.0
1.9 VCC = 5.0 V
1.8 TJ = 25°C
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0
0.5 1.0 1.5
IE, EMITTER CURRENT (A)
Figure 9. Emitter Follower Configuration Output
Darlington Switch Voltage Drop vs. Emitter Current
1.5
1.4 VCC = 5.0 V
1.3 TJ = 25°C
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0 0.5 1.0 1.5
IC, COLLECTOR CURRENT (A)
Figure 10. Common Emitter Configuration
Output Darlington Switch Voltage Drop vs.
Collector Current
http://onsemi.com
5
5 Page 
NCP3063, NCP3063B, NCV3063
+VIN = +12 V
1
J101
C101
0.1 mF
J102
1
GND
R101
0R15
+
C102
470 mF / 25 V
L101 100 mH
U101
8 N.C. SWC 1
7 IPK SWE 2
6 VCC TCAP 3
5 COMP GND 4
NCP3063
D101
C103
2.2 nF
R103
R102
1K0 ±1%
18K0 ±1%
1N5819
C106
0.1 mF
+VOUT = +24 V / 350 mA
1
+
C105
330 mF / 50 V
J103
J104
1
GND
Figure 19. Typical Boost Application Schematic
Value of Components
Name
Value
L101
D101
100 mH, Isat > 1.5 A
1 A, 40 V Schottky Rectifier
C102
470 mF, 25 V, Low ESR
C105
330 mF, 50 V, Low ESR
C103
2.2 nF Ceramic Capacitor
Name
R101
R102
R103
C101
C106
Test Results
Test
Line Regulation
Load Regulation
Output Ripple
Efficiency
Condition
Vin = 9 V to 15 V, Io = 250 mA
Vin = 12 V, Io = 30 mA to 350 mA
Vin = 12 V, Io = 10 mA to 350 mA
Vin = 12 V, Io = 50 mA to 350 mA
Value
150 mW, 0.5 W
1.00 kW
18.00 kW
100 nF Ceramic Capacitor
100 nF Ceramic Capacitor
Results
2 mV
5 mV
≤ 350 mVpp
> 85.5%
Figure 20. Boost Demoboard Layout
90
89
88
87
86
85
84
83
82
81
80
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4
OUTPUT LOAD (Adc)
Figure 21. Efficiency vs. Output Current for the Boost
Demo Board at Vin = 12 V, Vout = 24 V, TA = 255C
http://onsemi.com
11
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet NCV3063.PDF ] | |
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