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PDF NCP4547 Data sheet ( Hoja de datos )
| Número de pieza | NCP4547 | |
| Descripción | Advanced Load Management | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NCP4547 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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NCP4547
ecoSwitcht
Advanced Load Management
Controlled Load Switch with Low RON
The NCP4547 load switch provides a component and area-reducing
solution for efficient power domain switching with inrush current
limit via soft start. It is designed to integrate control and driver
functionality with a high performance low on-resistance power
MOSFET in a single device. This cost effective solution is ideal for
power management and hot−swap applications requiring low power
consumption in a small footprint.
Features
• Advanced Controller with Charge Pump
• Integrated N−Channel MOSFET with ESD Protection
• Soft−Start via Adjustable Slew Rate Control
• Low On−Resistance
• Input Voltage Range 0.5 V to 6 V
• Low Standby Current
• Load Bleed Function
• No External Components Required
• Enable Pins with CMOS Input Levels
• This is a Pb−Free Device
Typical Applications
• Notebook and Tablet Computers
• Handheld Electronics
• Digital Cameras
• Portable Medical Devices
• Hard Drives
• Peripheral Ports
3 V − 5.5 V
Controller
0.5 V − 6 V
http://onsemi.com
RON TYP
4.7 mW
5.7 mW
VCC
5.0 V
3.3 V
VIN
1.8 V
5.0 V
IMAX
21.5 A
MARKING
DIAGRAM
1
QFN26, 4x4
CASE 485BP
1 NCP
4547
ALYW
G
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb−Free Package
ORDERING INFORMATION
Device
NCP4547IMNTWG
Package
QFN26
(Pb−Free)
Shipping†
3000 /
Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Bandgap
&
Biases
Charge
Pump
RC
Oscillator
Delay and
Slew Rate
Control
Load
Figure 1. Typical Application − No external components included
© Semiconductor Components Industries, LLC, 2012
January, 2012 − Rev. 2
1
Publication Order Number:
NCP4547/D
1 page  
NCP4547
TYPICAL CHARACTERISTICS
7.5
7.25
7.0
6.75
6.5
6.25
6.0
5.75
5.5
5.25
5.0
4.75
4.5
0.5
VCC = 3 V
VCC = 3.3 V
VCC = 4 V
VCC ≥ 4.5 V
1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
VIN, INPUT VOLTAGE (V)
Figure 4. On−Resistance vs. Input Voltage
6
7.5
7.25
7.0
VIN = 6 V
6.75
6.5
6.25
VIN = 5 V
6.0
5.75
5.5
5.25
VIN = 3.3 V
VIN = 1.8 V
VIN = 0.5 V
5.0
4.75
4.5
3 3.5 4 4.5 5 5.5
VCC, SUPPLY VOLTAGE (V)
Figure 5. On−Resistance vs. Supply Voltage
9
8.5
8
7.5
VIN = 6 V
VCC = 3 V
7
6.5
6
VIN = 5 V
VCC = 3.3 V
5.5
5
4.5
VIN = 1.8 V
VCC = 5 V
4
0 10 20 30 40 50 60 70 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 6. On−Resistance vs. Temperature
90
10
9
8
7
6
5
4
3
2
1
0.5
VCC = 5.5 V
VCC = 3 V
1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
VIN, INPUT VOLTAGE (V)
Figure 7. Slew Rate vs. Input Voltage
6
9
VIN = 6 V
8
7
6
5 VIN = 0.5 V
4
3
2
1
3 3.5 4 4.5 5
VCC, SUPPLY VOLTAGE (V)
Figure 8. Slew Rate vs. Supply Voltage
5.5
8.5
8 VCC = 5 V
7.5 VIN = 1.8 V
7
6.5
6
5.5
5 VCC = 3.3 V
4.5 VIN = 5 V
4
0 10 20 30 40 50 60 70 80 90
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. Slew Rate vs. Temperature
http://onsemi.com
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet NCP4547.PDF ] | |
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