NCV47700 Datasheet PDF - ON Semiconductor
| Part Number | NCV47700 | |
| Description | 5V to 20V Adjustable Low Dropout Regulator | |
| Manufacturers | ON Semiconductor | |
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NCV47700
5 V to 20 V Adjustable Low
Dropout Regulator with
Adjustable Current Limit
The NCV47700 is a 350 mA output current integrated low dropout
regulator designed for use in harsh automotive environments. It
includes wide operating temperature and input voltage ranges. The
device is offered with adjustable voltage versions available in 6%
output voltage accuracy. It has a high peak input voltage tolerance and
reverse input voltage protection. It also provides overcurrent
protection, overtemperature protection and enable for control of the
state of the output voltage. The integrated current sense feature
provides diagnosis and system protection functionality. The current
limit of the device is adjustable by resistor connected to CSO pin.
Voltage on CSO pin is proportional to output current.
Features
• Adjustable Voltage Version (from 5 V to 20 V) ± 6% Output Voltage
• Enable Input
• Adjustable Current Limit (from 10 mA to 350 mA) with 10%
accuracy
• Protection Features:
♦ Current Limitation
♦ Thermal Shutdown
♦ Reverse Input Voltage
• This is a Pb−Free Device
Typical Applications
• Audio and Infotainment System
• Instrument Cluster
• Navigation
• Satellite Radio
http://onsemi.com
MARKING
DIAGRAM
8
1
SO−8
Exposed Pad
PD SUFFIX
CASE 751AC
8
47700
ALYW
G
1
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb−Free Package
PIN CONNECTIONS
ADJ 1
GND
EN
CSO
8
SO−8 EP
Vout
NC
NC
Vin
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
C in
1 mF
Vin Vout
NCV47700 ADJ
EN CSO
GND
Cb* R1
C out
R2
22 mF
C CSO
1 mF
R CSO
*Required if usage of low ESR output capacitor Cout is demand, see
Regulator Stability Considerations section.
Figure 1. Application Schematic
© Semiconductor Components Industries, LLC, 2011
October, 2011 − Rev. 1
1
Publication Order Number:
NCV47700/D
Datasheet pdf - http://www.DataSheet4U.net/
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NCV47700
TYPICAL CHARACTERISTICS
1.32
1.31
1.30
Vin = 13.5 V
Iout = 5 mA
1.29
1.28
1.27
1.26
1.25
1.24
−40 −20 0 20 40 60 80 100 120 140
TJ, JUNCTION TEMPERATURE (°C)
Figure 3. Reference Voltage vs. Temperature
160
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
00
TJ = 25°C
Iout = 5 mA
Vout_nom = 5 V
5 10 15 20 25 30 35
Vin, INPUT VOLTAGE (V)
Figure 4. Quiescent Current vs. Input Voltage
40
6
TJ = 25°C
5 Iout = 5 mA
Vout_nom = 5 V
4
3
2
1
0
0 1 2 3 4 5 6 7 8 9 10
Vin, INPUT VOLTAGE (V)
Figure 5. Output Voltage vs. Input Voltage
2
1
0
TJ = 25°C
Rout = 4.7 kW
Vout_nom = 5 V
−1
−2
−3
−4
−5
−6
−7
−8
−45 −40 −35 −30 −25 −20 −15 −10 −5
Vin, INPUT VOLTAGE (V)
0
5
Figure 6. Input Current vs. Input Voltage
(Reverse Input Voltage)
10
800
700
Vin = 13.5 V
Vout_nom = 5 V
600
500
400
300
200
100
TJ = 150°C
TJ = 25°C
TJ = −40°C
1400
1300
1200
Vout = 4.5 V
Vout_nom = 5 V
1100
1000
900
800
700
TJ = −40°C
TJ = 25°C
TJ = 150°C
0 600
0 50 100 150 200 250 300 350
0 5 10 15 20 25 30 35 40 45
Iout, OUTPUT CURRENT (mA)
Vin, INPUT VOLTAGE (V)
Figure 7. Dropout vs. Output Current
Figure 8. Output Current Limit vs. Input Voltage
http://onsemi.com
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| Information | Total 11 Pages | |
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| Download | [ NCV47700.PDF Datasheet ] | |
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| Part Number | Description | MFRS |
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