NCP45540 Datasheet, PDF (1/13 Pages) ON Semiconductor – Advanced Load Management

NCP45540
ecoSWITCHt
Advanced Load Management
Controlled Load Switch with Low R_ON
The NCP45540 load switch provides a component and
area-reducing solution for efficient power domain switching with
inrush current limit via soft−start. In addition to integrated control
functionality with ultra low on−resistance, this device offers system
safeguards and monitoring via fault protection and power good
signaling. 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 Low R_ON
• Input Voltage Range 0.5 V to 13.5 V
• Soft-Start via Controlled Slew Rate
• Adjustable Slew Rate Control
• Power Good Signal
• Thermal Shutdown
• Undervoltage Lockout
• Short-Circuit Protection
• Extremely Low Standby Current
• Load Bleed (Quick Discharge)
• This is a Pb−Free Device
Typical Applications
• Portable Electronics and Systems
• Notebook and Tablet Computers
• Telecom, Networking, Medical, and Industrial Equipment
• Set−Top Boxes, Servers, and Gateways
• Hot−Swap Devices and Peripheral Ports
V_CC
EN
PG
V_IN
Bandgap
&
Biases
Control
Logic
Thermal,
Undervoltage
&
Short−Circuit
Protection
Charge
Pump
Delay and
Slew Rate
Control
SR
GND
BLEED
Figure 1. Block Diagram
V_OUT
www.onsemi.com
R_ON TYP
3.3 mW
3.6 mW
4.8 mW
V_CC
3.3 V
3.3 V
3.3 V
V_IN
1.8 V
5.0 V
12 V
I_MAX
20 A
1
DFN12, 3x3
CASE 506CD
MARKING DIAGRAM
NCP45
540−x
ALYWG
G
x = H for NCP45540−H
= L for NCP45540−L
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb−Free Package
(Note: Microdot may be in either location)
PIN CONFIGURATION
V_IN 1
EN 2
V_CC 3
GND 4
SR 5
13: V_IN
12 V_OUT
11 V_OUT
10 VOUT
9 ^VOUT
8 NC
PG 6
(Top View)
7 BLEED
ORDERING INFORMATION
See detailed ordering and shipping information on page 12 of
this data sheet.
© Semiconductor Components Industries, LLC, 2015
1
February, 2015 − Rev. 3
Publication Order Number:
NCP45540/D