NCV3163 Datasheet PDF - ON Semiconductor
| Part Number | NCV3163 | |
| Description | Step-Up/Down/Inverting 50-300 kHz Switching Regulator | |
| Manufacturers | ON Semiconductor | |
| Logo |  |
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There is a preview and NCV3163 download ( pdf file ) link at the bottom of this page. Total 20 Pages | ||
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NCP3163, NCV3163
3.4 A, Step-Up/Down/
Inverting 50-300 kHz
Switching Regulator
The NCP3163 Series is a performance enhancement to the popular
MC33163 and MC34163 monolithic DC−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 controller was
specifically designed to be incorporated in step−down, step−up, or
voltage−inverting applications with a minimum number of external
components. The NCP3163 comes in an exposed pad package which
can greatly increase the power dissipation of the built in power switch.
Features
• Output Switch Current in Excess of 3.0 A
• 3.4 A Peak Switch Current
• Frequency is Adjustable from 50 kHz to 300 kHz
• Operation from 2.5 V to 40 V Input
• Externally Adjustable Operating Frequency
• Precision 2% Reference for Accurate Output Voltage Control
• Driver with Bootstrap Capability for Increased Efficiency
• Cycle−by−Cycle Current Limiting
• Internal Thermal Shutdown Protection
• Low Voltage Indicator Output for Direct Microprocessor Interface
• Exposed Pad Power Package
• Low Standby Current
• NCV Prefix for Automotive and Other Applications Requiring Site
and Change Control
• These are Pb−Free Devices
8
Vin + 7
Cin
6
Current
- Limit
+
VCC
Oscillator
5
Thermal
4
3
R
Q
S
VCC
9
10
11
12
13
14
2
+
+
-
15
1
+
+
-
LVI
16
VCC
(Bottom View)
Figure 1. Typical Buck Application Circuit
Vout
CO +
http://onsemi.com
16
1
SOIC−16W
EXPOSED PAD
PW SUFFIX
CASE 751AG
MARKING
DIAGRAMS
16
NCx3163yPW
AWLYYWWG
1
18 1
18
18−LEAD DFN NCx3163y
1 MN SUFFIX AWLYYWW G
CASE 505
G
NCx3163y
A
WL
YY
WW
G or G
= Specific Device Code
x = P or V
y = blank or B
= Assembly Location
= Wafer Lot
= Year
= Work Week
= 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 18 of this data sheet.
*For additional information on our Pb−Free strategy
and soldering details, please download the
ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2010
April, 2010 − Rev. 7
1
Publication Order Number:
NCP3163/D
|
| |
 
NCP3163, NCV3163
300
VCC = 15 V
TA = 25°C
250
200
Rt = 15 kW
150
Rt = open
100
50
0 100 200 300 400 500 600 700
CT, TIMER CAPACITANCE (pF)
Figure 3. Oscillator Frequency vs. Timer
Capacitance (CT)
2.0
VCC = 15 V
CT = 620 pF
0
- 2.0
- 4.0
- 6.0
- 55
- 25 0 25 50 75
TA, AMBIENT TEMPERATURE (°C)
100 125
Figure 4. Oscillator Frequency Change vs.
Temperature when only CT is connected to Pin 6
4.0
VCC = 15 V
2.0 CT = 230 pF
RT = 20 kW
0
- 2.0
- 4.0
- 6.0
- 8.0
- 10
- 50
- 25 0
25 50 75
TEMPERATURE (°C)
100 125
Figure 5. Oscillator Frequency Change vs.
Temperature when CT and RT are connected to Pin 6
140
VCC = 15 V
VFB1 = 5.05 V
120
100
80
60
- 55 - 25 0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 6. Feedback Comparator 1 Input Bias
Current vs. Temperature
1300
1280 VCC = 15 V
Vth Max = 1275 mV
1260 Vth Typ = 1250 mV
1240
Vth Min = 1225 mV
1220
1200
- 55 - 25 0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 7. Feedback Comparator 2 Threshold
Voltage vs. Temperature
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5
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| Information | Total 20 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ NCV3163.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| NCV3163 | The function is Step-Up/Down/Inverting 50-300 kHz Switching Regulator. ON Semiconductor | |
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