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PDF NCP4543 Data sheet ( Hoja de datos )

Número de pieza NCP4543
Descripción Advanced Load Management
Fabricantes ON Semiconductor 
Logotipo ON Semiconductor Logotipo



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No Preview Available ! NCP4543 Hoja de datos, Descripción, Manual

NCP4543
ecoSwitcht
Advanced Load Management
Controlled Load Switch with Low RON
The NCP4543 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 hotswap applications requiring low power
consumption in a small footprint.
Features
Advanced Controller with Charge Pump
Integrated NChannel MOSFET with ESD Protection
SoftStart via Adjustable Slew Rate Control
Low OnResistance
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 PbFree 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
10.2 mW
12.2 mW
VCC
5.0 V
3.3 V
VIN
1.8 V
5.0 V
IMAX
7.3 A
MARKING
DIAGRAM
1
QFN18, 3x3
CASE 485BF
1 NCP
4543
ALYW
G
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = PbFree Package
PIN CONFIGURATION
DELAY 1
VCC 2
GND 3
VIN 4
19: VIN
13 BLEED
12 VIN
11 VIN
10 VIN
Bandgap
&
Biases
Charge
Pump
RC
Oscillator
Delay and
Slew Rate
Control
Load
Figure 1. Typical Application No external components included
(Top View)
ORDERING INFORMATION
Device
Package
NCP4543IMN5RGA QFN18
(PbFree)
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.
© Semiconductor Components Industries, LLC, 2012
January, 2012 Rev. 4
1
Publication Order Number:
NCP4543/D

1 page




NCP4543 pdf
NCP4543
TYPICAL CHARACTERISTICS
15.5
15
14.5
14
13.5
VCC = 3 V
13
12.5
VCC = 3.3 V
12
11.5
11 VCC = 4 V
10.5
10 VCC 4.5 V
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
VIN, INPUT VOLTAGE (V)
Figure 3. OnResistance vs. Input Voltage
6
15.5
15
14.5
14
13.5
VIN = 6 V
13
12.5 5 V
12
11.5
3.3 V 1.8 V
0.5 V
11
10.5
10
3 3.5 4 4.5 5 5.5
VCC, SUPPLY VOLTAGE (V)
Figure 4. OnResistance vs. Supply Voltage
20
19
18
17
VIN = 6 V
VCC = 3 V
16
15
14
13
VIN = 5 V
VCC = 3.3 V
12
11
10
VIN = 1.8 V
VCC = 5 V
9
8
0 10 20 30 40 50 60 70 80 90
TJ, JUNCTION TEMPERATURE (°C)
Figure 5. OnResistance vs. Temperature
9
8.5
8
7.5
7
6.5
6
5.5
5
4.5
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 6. Slew Rate vs. Input Voltage
6
9
8.5
8
7.5
7
6.5
6
5.5
5
4.5
3
VIN = 6 V
VIN = 0.5 V
3.5 4 4.5 5
VCC, SUPPLY VOLTAGE (V)
Figure 7. Slew Rate vs. Supply Voltage
5.5
8.7
8.6
8.5
8.4
8.3
8.2
8.1
8.0
7.9
7.8
7.7
7.6
7.5
0
VCC = 5 V
VIN = 1.8 V
VCC = 3.3 V
VIN = 5 V
10 20 30 40 50 60 70 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 8. Slew Rate vs. Temperature
90
http://onsemi.com
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