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PDF NCP4545 Data sheet ( Hoja de datos )

Número de pieza NCP4545
Descripción ecoSwitch Advanced Load Management
Fabricantes ON Semiconductor 
Logotipo ON Semiconductor Logotipo



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No Preview Available ! NCP4545 Hoja de datos, Descripción, Manual

NCP4545
ecoSwitcht
Advanced Load Management
Controlled Load Switch with Low RON
The NCP4545 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
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 Pin 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
Bandgap
&
Biases
Charge
Pump
RC
Oscillator
Delay and
Slew Rate
Control
Load
Figure 1. Typical Application No external components included
http://onsemi.com
RON TYP
4.7 mW
5.9 mW
VCC
5.0 V
3.3 V
VIN
1.8 V
5.0 V
IMAX
10.5 A
MARKING
DIAGRAM
1
QFN18, 3x3
CASE 485BF
1 NCP
4545x
ALYW
G
x = Blank for EN ActiveHigh
= L for EN ActiveLow
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 VIN
12 VIN
11 VIN
10 VIN
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information on page 4 of
this data sheet.
© Semiconductor Components Industries, LLC, 2012
January, 2012 Rev. 1
1
Publication Order Number:
NCP4545/D

1 page




NCP4545 pdf
NCP4545
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 3. OnResistance vs. Input Voltage
6
7.5
7.25 VIN = 6 V
7.0
6.75
6.5
VIN = 5 V
6.25
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 4. OnResistance vs. Supply Voltage
9.5
9
8.5
8
7.5
VIN = 6 V
VCC = 3 V
7
6.5 VIN = 5 V
6 VCC = 3.3 V
5.5 VIN = 1.8 V
5 VCC = 5 V
4.5
4
0 10 20 30 40 50 60 70 80 90
TJ, JUNCTION TEMPERATURE (°C)
Figure 5. OnResistance vs. Temperature
9
8 VCC = 5.5 V
7
6
5
4
VCC = 3 V
3
2
1
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
VIN, INPUT VOLTAGE (V)
Figure 6. Slew Rate vs. Input Voltage
9
VIN = 6 V
8
7
6 VIN = 0.5 V
5
4
3
2
1
3 3.5 4 4.5 5
VCC, SUPPLY VOLTAGE (V)
Figure 7. Slew Rate vs. Supply Voltage
5.5
10
VCC = 5 V
9 VIN = 1.8 V
8
7
6
5
4
VCC = 3.3 V
VIN = 5 V
3
0 10 20 30 40 50 60 70 80 90
TJ, JUNCTION TEMPERATURE (°C)
Figure 8. Slew Rate vs. Temperature
http://onsemi.com
5

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